Analysis
-
max time kernel
114s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03/04/2024, 19:01
Static task
static1
Behavioral task
behavioral1
Sample
81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe
Resource
win7-20240221-en
General
-
Target
81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe
-
Size
410KB
-
MD5
1c9f7a7f37ed9143b8cbefe285b96419
-
SHA1
8b5d5d4c508106c9958fb33116e8b4eac9e4df8a
-
SHA256
81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83
-
SHA512
2f9372b254807e5798a2638dac2449f24eaae313cadc4db4ccf151ccba18a07b47d2320b7681d35dfe36d66ad548b270849823658b19620929055fe6eed85ce8
-
SSDEEP
6144:6vZFT3XcbbLvNeULGRvdEvUkiHDdBonjSdwn6O9F2AiX:6vZFT3MvLH+GUB4jQwn6wF25X
Malware Config
Extracted
stealc
http://185.172.128.209
-
url_path
/3cd2b41cbde8fc9c.php
Signatures
-
Detect ZGRat V1 3 IoCs
resource yara_rule behavioral2/memory/2032-170-0x0000018B89970000-0x0000018B8D268000-memory.dmp family_zgrat_v1 behavioral2/memory/2032-172-0x0000018BA7B60000-0x0000018BA7C70000-memory.dmp family_zgrat_v1 behavioral2/memory/2032-176-0x0000018B8EF30000-0x0000018B8EF54000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
-
Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation u3bw.0.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation u3bw.1.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation AFIEGIECGC.exe -
Executes dropped EXE 3 IoCs
pid Process 492 u3bw.0.exe 260 u3bw.1.exe 4412 AFIEGIECGC.exe -
Loads dropped DLL 2 IoCs
pid Process 492 u3bw.0.exe 492 u3bw.0.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 2 IoCs
pid pid_target Process procid_target 1852 4316 WerFault.exe 92 1796 492 WerFault.exe 94 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3bw.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3bw.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3bw.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u3bw.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3bw.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4304 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 492 u3bw.0.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 260 u3bw.1.exe 260 u3bw.1.exe 260 u3bw.1.exe 260 u3bw.1.exe 260 u3bw.1.exe 260 u3bw.1.exe 260 u3bw.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 260 u3bw.1.exe 260 u3bw.1.exe 260 u3bw.1.exe 260 u3bw.1.exe 260 u3bw.1.exe 260 u3bw.1.exe 260 u3bw.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4316 wrote to memory of 492 4316 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 94 PID 4316 wrote to memory of 492 4316 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 94 PID 4316 wrote to memory of 492 4316 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 94 PID 4316 wrote to memory of 260 4316 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 96 PID 4316 wrote to memory of 260 4316 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 96 PID 4316 wrote to memory of 260 4316 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 96 PID 492 wrote to memory of 2704 492 u3bw.0.exe 111 PID 492 wrote to memory of 2704 492 u3bw.0.exe 111 PID 492 wrote to memory of 2704 492 u3bw.0.exe 111 PID 2704 wrote to memory of 4412 2704 cmd.exe 116 PID 2704 wrote to memory of 4412 2704 cmd.exe 116 PID 2704 wrote to memory of 4412 2704 cmd.exe 116 PID 260 wrote to memory of 2032 260 u3bw.1.exe 114 PID 260 wrote to memory of 2032 260 u3bw.1.exe 114 PID 4412 wrote to memory of 1136 4412 AFIEGIECGC.exe 118 PID 4412 wrote to memory of 1136 4412 AFIEGIECGC.exe 118 PID 4412 wrote to memory of 1136 4412 AFIEGIECGC.exe 118 PID 1136 wrote to memory of 4304 1136 cmd.exe 120 PID 1136 wrote to memory of 4304 1136 cmd.exe 120 PID 1136 wrote to memory of 4304 1136 cmd.exe 120
Processes
-
C:\Users\Admin\AppData\Local\Temp\81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe"C:\Users\Admin\AppData\Local\Temp\81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4316 -
C:\Users\Admin\AppData\Local\Temp\u3bw.0.exe"C:\Users\Admin\AppData\Local\Temp\u3bw.0.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:492 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AFIEGIECGC.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Users\Admin\AppData\Local\Temp\AFIEGIECGC.exe"C:\Users\Admin\AppData\Local\Temp\AFIEGIECGC.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\AFIEGIECGC.exe5⤵
- Suspicious use of WriteProcessMemory
PID:1136 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:4304
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 492 -s 25883⤵
- Program crash
PID:1796
-
-
-
C:\Users\Admin\AppData\Local\Temp\u3bw.1.exe"C:\Users\Admin\AppData\Local\Temp\u3bw.1.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:260 -
C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe"C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD13⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2032
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 9962⤵
- Program crash
PID:1852
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4316 -ip 43161⤵PID:2816
-
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=2296 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:31⤵PID:3016
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 492 -ip 4921⤵PID:4784
-
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=4004 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:81⤵PID:3508
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
11KB
MD5a33e5b189842c5867f46566bdbf7a095
SHA1e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA2565abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
-
Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
-
Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
-
Filesize
2B
MD5d751713988987e9331980363e24189ce
SHA197d170e1550eee4afc0af065b78cda302a97674c
SHA2564f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
-
Filesize
40B
MD520d4b8fa017a12a108c87f540836e250
SHA11ac617fac131262b6d3ce1f52f5907e31d5f6f00
SHA2566028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
SHA512507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856
-
Filesize
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c
-
Filesize
289KB
MD52f7902850a9359afd396851d2c2dbc50
SHA1cf5086651e1c04652f3188b555824688912b1ef3
SHA256e477e93ca61273c874dfa631dd02bd08317b2b214472c7fcaedf5fccc1bf6cfa
SHA5124c533195e8ec42ccc765bc536f5cf4440cf53484e543a0f5d563017949ee5f2b74304c0bf53f568dfa84c3be019963cf2fcf43e12c144d2b19fce269a704bf7c
-
Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954