Analysis
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max time kernel
144s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
12-10-2023 02:10
General
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Target
CITI USD10987 PI.exe
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Size
925KB
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MD5
6dd5b074dc21fc159a5e98c448dab3e5
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SHA1
9be431a3d0fb17e0d7b69c62d288a7b47804fd36
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SHA256
a5395961ee5eeddf2c81583e2eb11dafe8f8ebcc350204e0c8344e4d3e1614e6
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SHA512
bbd3ea1bbe5e44f04973389ca391eab78f456a673fee59bbeed8368462dbc5a819bd5c929f8e5103337e3beb82002aeca5bc80ff25d3741fbe46c05c74e909db
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SSDEEP
12288:8IOZByuDs0aOFF9EcBeK4cwyLO/uVvrvhytVJJbngUJo37DV4ELPr0MecveyyOGp:aoeeK4PmtuJUw4np3HLcp
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6576397218:AAGKDzpigihdpxoThh04ULC6usDNBiyjVcE/sendMessage?chat_id=5086753017
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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
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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.
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Suspicious use of SetThreadContext 1 IoCs
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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.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\CITI USD10987 PI.exe"C:\Users\Admin\AppData\Local\Temp\CITI USD10987 PI.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lCcCZGSzAO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1081.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\CITI USD10987 PI.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5bb3d30439ec1e6435c3eac4df8c1d2e3
SHA1c901d5946e53ae0a9e2417c8dfaf5786a0037422
SHA256182adf89e57f80a92db9a5e13105cd59544f37855ca35f98116a0182ddd3b2e6
SHA512d3547aadf665ce2552b3dfa350b80a5e813aa346870fb2b05a3b998096eebf563143bffe964e0f7243761b79420d1adf02f735779902901d1a41a1f35c557572
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Filesize
1KB
MD5e74c65259184946c3c88c581f1be8b41
SHA1e4c79031991a5ef559be57cd1b86c4489cd8cbe1
SHA256925e3ba111001f4d297fb95e4e48e4b47fabf0743c04fe022893cfccb33d19fb
SHA512b187947a1a8f379d0b7f3fa9545d9816ee1acc545304ed067c843da2923593453c9bdc4d30015686087bef0c60c5a6015e075ffb77b3e4250ee5e543c39ad618
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Filesize
64KB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
40KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
496KB
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Filesize
792KB
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Filesize
344KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
496KB
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Filesize
7.7MB
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Filesize
3.3MB
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Filesize
48KB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
624KB
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Filesize
944KB