Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
02/08/2023, 08:49
Static task
static1
Behavioral task
behavioral1
Sample
xveXYcYoRA9ESLn.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
xveXYcYoRA9ESLn.exe
Resource
win10v2004-20230703-en
General
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Target
xveXYcYoRA9ESLn.exe
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Size
643KB
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MD5
6347fb31f9109c673ad871a53592aa05
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SHA1
e27fcd68f9a792b338243354c758beea0e5699b8
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SHA256
afcf2d75de98e641cb9555de188660470893d84e4c22577cd56f947e5a54223a
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SHA512
50f54f1680baf1a4d354fc789427a535e6016dded9340d27595908defcf68e052331a16d508d974e913ca6e120b27c8649869f450be3f36b603fa69ddc78e1cf
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SSDEEP
12288:15MYIRXDdvSRkM15dSe01rrG7F7Be7oyOH/ElayoBDef3TMMMDMMM:16FRXxvSRkMJArylB4oyc/ElaZefTMM7
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6454328840:AAFhLVGRU2auzr2_1A08UAoSV1INpU42j7g/sendMessage?chat_id=6315669338
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
resource yara_rule behavioral1/memory/2752-73-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2752-75-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2752-79-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2752-81-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2752-83-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2564 set thread context of 2752 2564 xveXYcYoRA9ESLn.exe 36 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2732 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2564 xveXYcYoRA9ESLn.exe 2564 xveXYcYoRA9ESLn.exe 2564 xveXYcYoRA9ESLn.exe 2564 xveXYcYoRA9ESLn.exe 2564 xveXYcYoRA9ESLn.exe 2564 xveXYcYoRA9ESLn.exe 2564 xveXYcYoRA9ESLn.exe 2564 xveXYcYoRA9ESLn.exe 2752 xveXYcYoRA9ESLn.exe 3032 powershell.exe 2752 xveXYcYoRA9ESLn.exe 2752 xveXYcYoRA9ESLn.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2752 xveXYcYoRA9ESLn.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2564 xveXYcYoRA9ESLn.exe Token: SeDebugPrivilege 2752 xveXYcYoRA9ESLn.exe Token: SeDebugPrivilege 3032 powershell.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2564 wrote to memory of 3032 2564 xveXYcYoRA9ESLn.exe 30 PID 2564 wrote to memory of 3032 2564 xveXYcYoRA9ESLn.exe 30 PID 2564 wrote to memory of 3032 2564 xveXYcYoRA9ESLn.exe 30 PID 2564 wrote to memory of 3032 2564 xveXYcYoRA9ESLn.exe 30 PID 2564 wrote to memory of 2732 2564 xveXYcYoRA9ESLn.exe 32 PID 2564 wrote to memory of 2732 2564 xveXYcYoRA9ESLn.exe 32 PID 2564 wrote to memory of 2732 2564 xveXYcYoRA9ESLn.exe 32 PID 2564 wrote to memory of 2732 2564 xveXYcYoRA9ESLn.exe 32 PID 2564 wrote to memory of 2868 2564 xveXYcYoRA9ESLn.exe 34 PID 2564 wrote to memory of 2868 2564 xveXYcYoRA9ESLn.exe 34 PID 2564 wrote to memory of 2868 2564 xveXYcYoRA9ESLn.exe 34 PID 2564 wrote to memory of 2868 2564 xveXYcYoRA9ESLn.exe 34 PID 2564 wrote to memory of 1264 2564 xveXYcYoRA9ESLn.exe 35 PID 2564 wrote to memory of 1264 2564 xveXYcYoRA9ESLn.exe 35 PID 2564 wrote to memory of 1264 2564 xveXYcYoRA9ESLn.exe 35 PID 2564 wrote to memory of 1264 2564 xveXYcYoRA9ESLn.exe 35 PID 2564 wrote to memory of 2752 2564 xveXYcYoRA9ESLn.exe 36 PID 2564 wrote to memory of 2752 2564 xveXYcYoRA9ESLn.exe 36 PID 2564 wrote to memory of 2752 2564 xveXYcYoRA9ESLn.exe 36 PID 2564 wrote to memory of 2752 2564 xveXYcYoRA9ESLn.exe 36 PID 2564 wrote to memory of 2752 2564 xveXYcYoRA9ESLn.exe 36 PID 2564 wrote to memory of 2752 2564 xveXYcYoRA9ESLn.exe 36 PID 2564 wrote to memory of 2752 2564 xveXYcYoRA9ESLn.exe 36 PID 2564 wrote to memory of 2752 2564 xveXYcYoRA9ESLn.exe 36 PID 2564 wrote to memory of 2752 2564 xveXYcYoRA9ESLn.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2564 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kmOptlGglTeN.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3032
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kmOptlGglTeN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2C9C.tmp"2⤵
- Creates scheduled task(s)
PID:2732
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C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"2⤵PID:2868
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C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"2⤵PID:1264
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C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:2752
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5cf86431a5b964926cfc91a4c7927f549
SHA134210690b2b942c08cd4123a75f2d7c91abe02d5
SHA256cce2d0d8b58b56c0e17cd53471db4ee99c3daf0c7cf3a4361f3f92102bf5bb17
SHA512f4556310afcd3586e98313fcd054a09d2b360385e5a24f92f5fd8442605e80535e8fa3b8b51b7a274a4fad6c3f8a9539347d438b1b7e2b7578b3c873232d4d45