Analysis
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max time kernel
132s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20/09/2022, 13:08
Static task
static1
Behavioral task
behavioral1
Sample
P O -82YWU8HNQMWK.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
P O -82YWU8HNQMWK.exe
Resource
win10v2004-20220812-en
General
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Target
P O -82YWU8HNQMWK.exe
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Size
756KB
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MD5
d0fc8acab7b14959a21de8c923c8a70c
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SHA1
b0a7c0355d2e4e41f0977f00e8072eeb70c674d0
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SHA256
ffc51f2ef0542e31be26668f49bf65a719ea827188707a83ca5421d2ad8b6fbc
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SHA512
28f0c196678b25fa7d4e9dd23c025497fd9a03a3d11d0c72062b25f34b2569f5d5320f96410f25f17b2f7d6bfe8f1de5eff5cc34a893b7209c72153b39b596e0
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SSDEEP
12288:LlM9v4jxXf1AZFFhtTV8rUzDEThhUVsDwlMbqjJ5n:yv41feh8rMDElhUeDwlNjr
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5227573794:AAECZBnQSxLs0aOVsV2wnclC6-WKnxPpi_k/sendMessage?chat_id=5217421430
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/1216-140-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation P O -82YWU8HNQMWK.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 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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P O -82YWU8HNQMWK.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P O -82YWU8HNQMWK.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P O -82YWU8HNQMWK.exe -
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 17 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2144 set thread context of 1216 2144 P O -82YWU8HNQMWK.exe 86 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 1724 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2144 P O -82YWU8HNQMWK.exe 1216 P O -82YWU8HNQMWK.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2144 P O -82YWU8HNQMWK.exe Token: SeDebugPrivilege 1216 P O -82YWU8HNQMWK.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2144 wrote to memory of 1724 2144 P O -82YWU8HNQMWK.exe 84 PID 2144 wrote to memory of 1724 2144 P O -82YWU8HNQMWK.exe 84 PID 2144 wrote to memory of 1724 2144 P O -82YWU8HNQMWK.exe 84 PID 2144 wrote to memory of 1216 2144 P O -82YWU8HNQMWK.exe 86 PID 2144 wrote to memory of 1216 2144 P O -82YWU8HNQMWK.exe 86 PID 2144 wrote to memory of 1216 2144 P O -82YWU8HNQMWK.exe 86 PID 2144 wrote to memory of 1216 2144 P O -82YWU8HNQMWK.exe 86 PID 2144 wrote to memory of 1216 2144 P O -82YWU8HNQMWK.exe 86 PID 2144 wrote to memory of 1216 2144 P O -82YWU8HNQMWK.exe 86 PID 2144 wrote to memory of 1216 2144 P O -82YWU8HNQMWK.exe 86 PID 2144 wrote to memory of 1216 2144 P O -82YWU8HNQMWK.exe 86 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P O -82YWU8HNQMWK.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P O -82YWU8HNQMWK.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\P O -82YWU8HNQMWK.exe"C:\Users\Admin\AppData\Local\Temp\P O -82YWU8HNQMWK.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2144 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rLBhtX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp30C4.tmp"2⤵
- Creates scheduled task(s)
PID:1724
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C:\Users\Admin\AppData\Local\Temp\P O -82YWU8HNQMWK.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1216
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD584e77a587d94307c0ac1357eb4d3d46f
SHA183cc900f9401f43d181207d64c5adba7a85edc1e
SHA256e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691
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Filesize
1KB
MD5ec3be9452585bfc768b164563b452cac
SHA1a457f222812d4d52ee81334609175db6ab655b1c
SHA25641ea3167bfc5bc6a89eb3dbe82f677755d501d64bc353b95709fbe2c8f87d604
SHA5129a9032b09cbd34aefd6f5f51e550e66b885bbb8f4290d833ecaf00967ebdc7dbd35c8c219df990e477ee222ebc32c0d811672c16bf88597b4ca7df467fea6509