Analysis
- max time kernel
73s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
28/04/2022, 06:10
Static task
static1
Behavioral task
behavioral1
Sample
Quotation Forms.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Quotation Forms.exe
Resource
win10v2004-20220414-en
General
- Target Quotation Forms.exe
- Size 452KB
- Sample220428-gw14fsfcbl
- SHA256 24f0dacae3f61ddb0d4261a78b6493724bd2a83633e7bb4c96659bee2775cfd8
- MD5 a0ea5e804d4f0f11fead44be8779c544
- SHA1 dda4e075b707c6f9e393a290eeaf218ed07b4468
- SHA512 f89af1bb8078f5be14db513590ae5430de96d1e354396579f4b2b07588a4a9ca98e76cdfd3e28b857232d25c6976ae3f3ec1468f1c083b6f7f6273417f7ccf16
- MD5 SHA1 SHA512
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5206100572:AAFn3MxBuN0bjQhfY8y1ed9Iwi79LyIe75I/sendMessage?chat_id=2135869667
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 1 IoCs
resource yara_rule behavioral2/memory/240-139-0x0000000000400000-0x0000000000426000-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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation Quotation Forms.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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Quotation Forms.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Quotation Forms.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Quotation Forms.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 26 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3588 set thread context of 240 3588 Quotation Forms.exe 91 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3808 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3588 Quotation Forms.exe 240 Quotation Forms.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3588 Quotation Forms.exe Token: SeDebugPrivilege 240 Quotation Forms.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3588 wrote to memory of 3808 3588 Quotation Forms.exe 89 PID 3588 wrote to memory of 3808 3588 Quotation Forms.exe 89 PID 3588 wrote to memory of 3808 3588 Quotation Forms.exe 89 PID 3588 wrote to memory of 240 3588 Quotation Forms.exe 91 PID 3588 wrote to memory of 240 3588 Quotation Forms.exe 91 PID 3588 wrote to memory of 240 3588 Quotation Forms.exe 91 PID 3588 wrote to memory of 240 3588 Quotation Forms.exe 91 PID 3588 wrote to memory of 240 3588 Quotation Forms.exe 91 PID 3588 wrote to memory of 240 3588 Quotation Forms.exe 91 PID 3588 wrote to memory of 240 3588 Quotation Forms.exe 91 PID 3588 wrote to memory of 240 3588 Quotation Forms.exe 91 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Quotation Forms.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Quotation Forms.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Quotation Forms.exe"C:\Users\Admin\AppData\Local\Temp\Quotation Forms.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3588 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eUYfSNvGrn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpED14.tmp"2⤵
- Creates scheduled task(s)
PID:3808
-
-
C:\Users\Admin\AppData\Local\Temp\Quotation Forms.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:240
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Quotation Forms.exe.log
- Size 1KB
- SHA256 c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
- MD5 17573558c4e714f606f997e5157afaac
- SHA1 13e16e9415ceef429aaf124139671ebeca09ed23
- SHA512 f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmpED14.tmp
- Size 1KB
- SHA256 40c35862b314c8591a36be4fc9ccff7a0392449310ca36020ef7d35b9b101af9
- MD5 9b41aa43baf138c9930865fb7c9db2e3
- SHA1 1deb22894f62d50e171cbf493150f1a04f7f2a30
- SHA512 af1ccb6f65b49758b5c4c8dc515cd99cb3b3cdf2b418b4267d207dbe55bf99629fd31380148ab37ee86b6dc695c81d54c4159c06df6be0d2c79232cc5d80d0f4
- MD5 SHA1 SHA512