Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-04-2024 01:21
Static task
static1
Behavioral task
behavioral1
Sample
4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe
Resource
win7-20240221-en
General
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Target
4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe
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Size
347KB
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MD5
22ea99c3408e7c0f32fecf3391427a58
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SHA1
897335d05e4d3ed0cc8ae4591b2094f01b6cb369
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SHA256
4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a
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SHA512
28357a24e3649bf80352d0f6a62efe437a78f607900b9b6ef8d98978f74208b8c8c4c2f316be4765c655c51b071b3ab7884f96da6dd2e46c77dd83c20ef7f244
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SSDEEP
6144:ToBqFgnH6oK/xcYNKD8r+syjBJw45rtMLYC43J9fa7nxNHnKT:EawahCYgD8CsKJw4/MchjCnM
Malware Config
Extracted
stealc
http://185.172.128.76
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url_path
/8681490a59ad0e34.php
Signatures
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SectopRAT payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3184-206-0x0000000000B30000-0x0000000000BF6000-memory.dmp family_sectoprat -
Detect binaries embedding considerable number of MFA browser extension IDs. 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4164-166-0x0000000000400000-0x0000000001A18000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/4164-188-0x0000000000400000-0x0000000001A18000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs -
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4164-166-0x0000000000400000-0x0000000001A18000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/4164-188-0x0000000000400000-0x0000000001A18000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4164-166-0x0000000000400000-0x0000000001A18000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/4164-188-0x0000000000400000-0x0000000001A18000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe -
Executes dropped EXE 2 IoCs
Processes:
u3xc.0.exerun.exepid process 4164 u3xc.0.exe 1852 run.exe -
Loads dropped DLL 3 IoCs
Processes:
u3xc.0.exerun.exepid process 4164 u3xc.0.exe 4164 u3xc.0.exe 1852 run.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 2 IoCs
Processes:
run.execmd.exedescription pid process target process PID 1852 set thread context of 216 1852 run.exe cmd.exe PID 216 set thread context of 3184 216 cmd.exe MSBuild.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 4492 5088 WerFault.exe 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe 4100 4164 WerFault.exe u3xc.0.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
u3xc.0.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u3xc.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3xc.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
Processes:
u3xc.0.exerun.execmd.exepid process 4164 u3xc.0.exe 4164 u3xc.0.exe 4164 u3xc.0.exe 4164 u3xc.0.exe 4164 u3xc.0.exe 4164 u3xc.0.exe 4164 u3xc.0.exe 4164 u3xc.0.exe 4164 u3xc.0.exe 4164 u3xc.0.exe 4164 u3xc.0.exe 4164 u3xc.0.exe 4164 u3xc.0.exe 4164 u3xc.0.exe 1852 run.exe 4164 u3xc.0.exe 4164 u3xc.0.exe 1852 run.exe 1852 run.exe 216 cmd.exe 216 cmd.exe 216 cmd.exe 216 cmd.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
run.execmd.exepid process 1852 run.exe 216 cmd.exe 216 cmd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 3184 MSBuild.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
run.exepid process 1852 run.exe 1852 run.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exerun.execmd.exedescription pid process target process PID 5088 wrote to memory of 4164 5088 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe u3xc.0.exe PID 5088 wrote to memory of 4164 5088 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe u3xc.0.exe PID 5088 wrote to memory of 4164 5088 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe u3xc.0.exe PID 5088 wrote to memory of 1852 5088 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe run.exe PID 5088 wrote to memory of 1852 5088 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe run.exe PID 5088 wrote to memory of 1852 5088 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe run.exe PID 1852 wrote to memory of 216 1852 run.exe cmd.exe PID 1852 wrote to memory of 216 1852 run.exe cmd.exe PID 1852 wrote to memory of 216 1852 run.exe cmd.exe PID 1852 wrote to memory of 216 1852 run.exe cmd.exe PID 216 wrote to memory of 3184 216 cmd.exe MSBuild.exe PID 216 wrote to memory of 3184 216 cmd.exe MSBuild.exe PID 216 wrote to memory of 3184 216 cmd.exe MSBuild.exe PID 216 wrote to memory of 3184 216 cmd.exe MSBuild.exe PID 216 wrote to memory of 3184 216 cmd.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe"C:\Users\Admin\AppData\Local\Temp\4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u3xc.0.exe"C:\Users\Admin\AppData\Local\Temp\u3xc.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4164 -s 20123⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u3xc.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3xc.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 11802⤵
- Program crash
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3500 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:31⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5088 -ip 50881⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4164 -ip 41641⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3492 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\Are.docxFilesize
11KB
MD5a33e5b189842c5867f46566bdbf7a095
SHA1e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA2565abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
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C:\ProgramData\mozglue.dllFilesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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C:\ProgramData\nss3.dllFilesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending ReportsFilesize
2B
MD5d751713988987e9331980363e24189ce
SHA197d170e1550eee4afc0af065b78cda302a97674c
SHA2564f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
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C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch DictionariesFilesize
40B
MD520d4b8fa017a12a108c87f540836e250
SHA11ac617fac131262b6d3ce1f52f5907e31d5f6f00
SHA2566028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
SHA512507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856
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C:\Users\Admin\AppData\Local\Temp\3616cba8Filesize
1.4MB
MD5fc008dc49c33b838a160b00aa46b196d
SHA13b161d5721f09c722f7f3a47c3cf89ac1352850f
SHA2565f8e7a916564440d53a52af43373f1e31d9a9f46d51d9501537d7ef931e8f54e
SHA5120ecddd5a28722635fce05cafa0eea470d8fcb83aceedb37d18e613cd234eb11b2dd54bfd2505ca18f1809f7f948cda850cbad1940314c35485639d960944a352
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C:\Users\Admin\AppData\Local\Temp\tmpE6B3.tmpFilesize
20KB
MD5c9ff7748d8fcef4cf84a5501e996a641
SHA102867e5010f62f97ebb0cfb32cb3ede9449fe0c9
SHA2564d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
SHA512d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73
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C:\Users\Admin\AppData\Local\Temp\tmpE704.tmpFilesize
20KB
MD591dbaf73c1a8c55254d90272f998e412
SHA12b86b31c8c00c937291e5ac3b1d134a5df959acf
SHA2560628922305d2478ba75a48efadf932d439616eaf1ff908be334793f7bde28107
SHA512109f4f59616cc1d1682b4d9468804f7668c77ce1878afec06a57037193f31a9c1c39f5d269277462936373b129d26488cddcc34d455c27185534e7754baaa988
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C:\Users\Admin\AppData\Local\Temp\u3xc.0.exeFilesize
308KB
MD52ff02a230388a96b3762a5d12eef74b5
SHA19a53bacfeaa9c4d9cc2521424c9512fb1ef66bc2
SHA25674b45e62fedd53688e8db6ebf12c6a21ad5c2968fa6b4edcfbdc2e9b185f7443
SHA51230227a39ac06547cfdd34bb06c7099292c842e68b2220b9b1be7ddf3992456f3bf027cd77660e8071f310a88afc441193c2967eb873846d92681f04e0e9fa119
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C:\Users\Admin\AppData\Local\Temp\u3xc.1.zipFilesize
3.7MB
MD578d3ca6355c93c72b494bb6a498bf639
SHA12fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA256a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
SHA5121b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea
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C:\Users\Admin\AppData\Local\Temp\u3xc.2\UIxMarketPlugin.dllFilesize
1.6MB
MD5d1ba9412e78bfc98074c5d724a1a87d6
SHA10572f98d78fb0b366b5a086c2a74cc68b771d368
SHA256cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
SHA5128765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f
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C:\Users\Admin\AppData\Local\Temp\u3xc.2\bunch.datFilesize
1.3MB
MD51e8237d3028ab52821d69099e0954f97
SHA130a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA2569387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
SHA512a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3
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C:\Users\Admin\AppData\Local\Temp\u3xc.2\relay.dllFilesize
1.5MB
MD510d51becd0bbce0fab147ff9658c565e
SHA14689a18112ff876d3c066bc8c14a08fd6b7b7a4a
SHA2567b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
SHA51229faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29
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C:\Users\Admin\AppData\Local\Temp\u3xc.2\run.exeFilesize
2.4MB
MD59fb4770ced09aae3b437c1c6eb6d7334
SHA1fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA256a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
SHA512140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256
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C:\Users\Admin\AppData\Local\Temp\u3xc.2\whale.dbfFilesize
85KB
MD5a723bf46048e0bfb15b8d77d7a648c3e
SHA18952d3c34e9341e4425571e10f22b782695bb915
SHA256b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
SHA512ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273
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memory/216-199-0x00007FFD07D10000-0x00007FFD07F05000-memory.dmpFilesize
2.0MB
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memory/216-201-0x0000000072A60000-0x0000000072BDB000-memory.dmpFilesize
1.5MB
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memory/1852-180-0x00007FFD07D10000-0x00007FFD07F05000-memory.dmpFilesize
2.0MB
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memory/1852-196-0x0000000072A60000-0x0000000072BDB000-memory.dmpFilesize
1.5MB
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memory/1852-179-0x0000000072A60000-0x0000000072BDB000-memory.dmpFilesize
1.5MB
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memory/3184-211-0x0000000005420000-0x0000000005470000-memory.dmpFilesize
320KB
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memory/3184-207-0x0000000005210000-0x00000000052A2000-memory.dmpFilesize
584KB
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memory/3184-203-0x0000000073C00000-0x0000000074E54000-memory.dmpFilesize
18.3MB
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memory/3184-210-0x0000000005350000-0x00000000053C6000-memory.dmpFilesize
472KB
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memory/3184-206-0x0000000000B30000-0x0000000000BF6000-memory.dmpFilesize
792KB
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memory/3184-215-0x0000000006080000-0x00000000060E6000-memory.dmpFilesize
408KB
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memory/3184-209-0x0000000005520000-0x00000000056E2000-memory.dmpFilesize
1.8MB
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memory/3184-208-0x0000000005860000-0x0000000005E04000-memory.dmpFilesize
5.6MB
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memory/3184-213-0x0000000006440000-0x000000000696C000-memory.dmpFilesize
5.2MB
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memory/3184-212-0x00000000051F0000-0x00000000051FA000-memory.dmpFilesize
40KB
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memory/3184-214-0x0000000005F90000-0x0000000005FAE000-memory.dmpFilesize
120KB
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memory/4164-14-0x0000000000400000-0x0000000001A18000-memory.dmpFilesize
22.1MB
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memory/4164-13-0x0000000001CA0000-0x0000000001DA0000-memory.dmpFilesize
1024KB
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memory/4164-15-0x0000000001B30000-0x0000000001B57000-memory.dmpFilesize
156KB
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memory/4164-17-0x0000000061E00000-0x0000000061EF3000-memory.dmpFilesize
972KB
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memory/4164-188-0x0000000000400000-0x0000000001A18000-memory.dmpFilesize
22.1MB
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memory/4164-166-0x0000000000400000-0x0000000001A18000-memory.dmpFilesize
22.1MB
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memory/5088-1-0x0000000002DD0000-0x0000000002ED0000-memory.dmpFilesize
1024KB
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memory/5088-2-0x0000000002FD0000-0x000000000303D000-memory.dmpFilesize
436KB
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memory/5088-186-0x0000000000400000-0x0000000002B15000-memory.dmpFilesize
39.1MB
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memory/5088-16-0x0000000000400000-0x0000000002B15000-memory.dmpFilesize
39.1MB
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memory/5088-3-0x0000000000400000-0x0000000002B15000-memory.dmpFilesize
39.1MB
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memory/5088-190-0x0000000002FD0000-0x000000000303D000-memory.dmpFilesize
436KB