Overview
overview
10Static
static
7f3a8461552...8f.exe
windows7-x64
10f3a8461552...8f.exe
windows10-2004-x64
10$PLUGINSDIR/INetC.dll
windows7-x64
3$PLUGINSDIR/INetC.dll
windows10-2004-x64
3$TEMP/BroomSetup.exe
windows7-x64
7$TEMP/BroomSetup.exe
windows10-2004-x64
7$TEMP/syncUpd.exe
windows7-x64
10$TEMP/syncUpd.exe
windows10-2004-x64
10Analysis
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max time kernel
158s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
12-03-2024 21:05
Behavioral task
behavioral1
Sample
f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/INetC.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/INetC.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$TEMP/BroomSetup.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$TEMP/BroomSetup.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$TEMP/syncUpd.exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$TEMP/syncUpd.exe
Resource
win10v2004-20240226-en
General
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Target
f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe
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Size
2.0MB
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MD5
71cb79defed5c8843ecc9e362b9c9f64
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SHA1
afb2640073f1dedadf1b21a26c231919b342d92f
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SHA256
f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f
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SHA512
35f35eedbf36b5c35d0e4421cbded5d4c90222d24d7079167ad28fc23897e36bd93daef061b8b5168d6df761c10f12f4e7a88d7c5099fcfd9edc0b8817af4d13
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SSDEEP
49152:L96EW21OjHNBcQD2U//9jO9bqJNtcOdH/n3IjNaB0WWZT3/e26TwHU9xs:p6XLF2u/w92Zl/uFWWR3P6oU9xs
Malware Config
Extracted
stealc
http://185.172.128.145
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url_path
/3cd2b41cbde8fc9c.php
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
syncUpd.exeBroomSetup.exeBGHIIJDGHC.exepid process 3052 syncUpd.exe 2644 BroomSetup.exe 1532 BGHIIJDGHC.exe -
Loads dropped DLL 9 IoCs
Processes:
f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exesyncUpd.execmd.exepid process 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe 3052 syncUpd.exe 3052 syncUpd.exe 2256 cmd.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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Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\BroomSetup.exe upx behavioral1/memory/2644-38-0x0000000000400000-0x0000000000930000-memory.dmp upx behavioral1/memory/2644-81-0x0000000000400000-0x0000000000930000-memory.dmp upx behavioral1/memory/2644-93-0x0000000000400000-0x0000000000930000-memory.dmp upx behavioral1/memory/2644-170-0x0000000000400000-0x0000000000930000-memory.dmp upx -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
BGHIIJDGHC.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ledger-Live Updater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\BGHIIJDGHC.exe" BGHIIJDGHC.exe -
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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 api.ipify.org -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
syncUpd.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 syncUpd.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString syncUpd.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
syncUpd.exeBGHIIJDGHC.exepid process 3052 syncUpd.exe 3052 syncUpd.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe 1532 BGHIIJDGHC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
BGHIIJDGHC.exedescription pid process Token: SeDebugPrivilege 1532 BGHIIJDGHC.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
BroomSetup.exepid process 2644 BroomSetup.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exeBroomSetup.execmd.exesyncUpd.execmd.exeBGHIIJDGHC.execmd.exedescription pid process target process PID 2164 wrote to memory of 3052 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe syncUpd.exe PID 2164 wrote to memory of 3052 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe syncUpd.exe PID 2164 wrote to memory of 3052 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe syncUpd.exe PID 2164 wrote to memory of 3052 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe syncUpd.exe PID 2164 wrote to memory of 2644 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe BroomSetup.exe PID 2164 wrote to memory of 2644 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe BroomSetup.exe PID 2164 wrote to memory of 2644 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe BroomSetup.exe PID 2164 wrote to memory of 2644 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe BroomSetup.exe PID 2164 wrote to memory of 2644 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe BroomSetup.exe PID 2164 wrote to memory of 2644 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe BroomSetup.exe PID 2164 wrote to memory of 2644 2164 f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe BroomSetup.exe PID 2644 wrote to memory of 680 2644 BroomSetup.exe cmd.exe PID 2644 wrote to memory of 680 2644 BroomSetup.exe cmd.exe PID 2644 wrote to memory of 680 2644 BroomSetup.exe cmd.exe PID 2644 wrote to memory of 680 2644 BroomSetup.exe cmd.exe PID 680 wrote to memory of 1536 680 cmd.exe chcp.com PID 680 wrote to memory of 1536 680 cmd.exe chcp.com PID 680 wrote to memory of 1536 680 cmd.exe chcp.com PID 680 wrote to memory of 1536 680 cmd.exe chcp.com PID 680 wrote to memory of 1564 680 cmd.exe schtasks.exe PID 680 wrote to memory of 1564 680 cmd.exe schtasks.exe PID 680 wrote to memory of 1564 680 cmd.exe schtasks.exe PID 680 wrote to memory of 1564 680 cmd.exe schtasks.exe PID 3052 wrote to memory of 2256 3052 syncUpd.exe cmd.exe PID 3052 wrote to memory of 2256 3052 syncUpd.exe cmd.exe PID 3052 wrote to memory of 2256 3052 syncUpd.exe cmd.exe PID 3052 wrote to memory of 2256 3052 syncUpd.exe cmd.exe PID 3052 wrote to memory of 2084 3052 syncUpd.exe cmd.exe PID 3052 wrote to memory of 2084 3052 syncUpd.exe cmd.exe PID 3052 wrote to memory of 2084 3052 syncUpd.exe cmd.exe PID 3052 wrote to memory of 2084 3052 syncUpd.exe cmd.exe PID 2256 wrote to memory of 1532 2256 cmd.exe BGHIIJDGHC.exe PID 2256 wrote to memory of 1532 2256 cmd.exe BGHIIJDGHC.exe PID 2256 wrote to memory of 1532 2256 cmd.exe BGHIIJDGHC.exe PID 2256 wrote to memory of 1532 2256 cmd.exe BGHIIJDGHC.exe PID 1532 wrote to memory of 1088 1532 BGHIIJDGHC.exe cmd.exe PID 1532 wrote to memory of 1088 1532 BGHIIJDGHC.exe cmd.exe PID 1532 wrote to memory of 1088 1532 BGHIIJDGHC.exe cmd.exe PID 1532 wrote to memory of 1088 1532 BGHIIJDGHC.exe cmd.exe PID 1088 wrote to memory of 1352 1088 cmd.exe PING.EXE PID 1088 wrote to memory of 1352 1088 cmd.exe PING.EXE PID 1088 wrote to memory of 1352 1088 cmd.exe PING.EXE PID 1088 wrote to memory of 1352 1088 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe"C:\Users\Admin\AppData\Local\Temp\f3a846155245b4ff6a1343e87252d9e442508abe9762cd6ff087bd3bb7f6ab8f.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2164 -
C:\Users\Admin\AppData\Local\Temp\syncUpd.exeC:\Users\Admin\AppData\Local\Temp\syncUpd.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BGHIIJDGHC.exe"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Users\Admin\AppData\Local\Temp\BGHIIJDGHC.exe"C:\Users\Admin\AppData\Local\Temp\BGHIIJDGHC.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532 -
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\BGHIIJDGHC.exe5⤵
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:1352
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FIIIIJKFCA.exe"3⤵PID:2084
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C:\Users\Admin\AppData\Local\Temp\BroomSetup.exeC:\Users\Admin\AppData\Local\Temp\BroomSetup.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Task.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:680 -
C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:1536
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "MalayamaraUpdate" /tr "'C:\Users\Admin\AppData\Local\Temp\Updater.exe'" /sc minute /mo 30 /F4⤵
- Creates scheduled task(s)
PID:1564
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
101KB
MD542b838cf8bdf67400525e128d917f6e0
SHA1a578f6faec738912dba8c41e7abe1502c46d0cae
SHA2560e4ffba62ce9a464aa1b7ff9f1e55ace8f51ff1e15102d856f801a81f8b4607d
SHA512f64b39d885375251ab7db72c57dc5b5095f0c6412169f1035d1f6a25b8415a2a01004d06bfa0267cf683ef7dea7a9f969ad43fde5a4376f1fcb65a57403433c0
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Filesize
128B
MD511bb3db51f701d4e42d3287f71a6a43e
SHA163a4ee82223be6a62d04bdfe40ef8ba91ae49a86
SHA2566be22058abfb22b40a42fb003f86b89e204a83024c03eb82cd53e2a0a047c331
SHA512907ad2c070cc1db89f43459a94d7f48985d939d749c9648b78572a266f0d3fde47813a129e9151dbf4a7d96d36f588172f57c88b8b947b56ed818d7d068abab2
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
1.7MB
MD5eee5ddcffbed16222cac0a1b4e2e466e
SHA128b40c88b8ea50b0782e2bcbb4cc0f411035f3d5
SHA2562a40e5dccc7526c4982334941c90f95374460e2a816e84e724e98c4d52ae8c54
SHA5128f88901f3ebd425818db09f268df19ccf8a755603f04e9481bcf02b112a84393f8a900ead77f8f971bfa33fd9fa5636b7494aaee864a0fb04e3273911a4216dc
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Filesize
21KB
MD52b342079303895c50af8040a91f30f71
SHA1b11335e1cb8356d9c337cb89fe81d669a69de17e
SHA2562d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f
SHA512550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47
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Filesize
200KB
MD5c722591f624fb69970f246b8c81d830f
SHA185516decea5d6987bebe39cbadf36053beaf4bb0
SHA25613cd1152a19fdac6581cac2bd822f34bd3026ea1783ff231e299b6d28c046a6a
SHA512822584c5c8a0813af4d845e80919776c71a43464ab719d1c303ebaae6a8ed47763183566bedc9be2e8c44de8ee6fd62d1e12be471e5d5c73ae4b1dcdaa34a908