Analysis
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max time kernel
65s -
max time network
74s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
22-06-2021 15:00
General
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Target
Halkbank_Ekstre_20210622_142426_2309801.doc.exe
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Size
879KB
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MD5
cb77c03fa42464f67389a8c2b6d43c5c
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SHA1
9e1569e129da250aa7d2e6267fe6c1354c6ed93f
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SHA256
4f365f100ae64776f47ec98a4fb61a15d2d45f4534aaa82402b9530bc251fde0
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SHA512
aecc71e514c987bf0aed701a8d2cf978775b2e002c46864bec7e6ef3dfbec76b18fefb834827438a25fe2543a32b503dce663467d5673a7440135ff331b558b2
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.jpentertainment.com.sg - Port:
587 - Username:
info@jpentertainment.com.sg - Password:
Esi@jpe3
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 3 IoCs
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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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Looks up external IP address via web service 3 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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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20210622_142426_2309801.doc.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20210622_142426_2309801.doc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20210622_142426_2309801.doc.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20210622_142426_2309801.doc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/856-114-0x0000000000DB0000-0x0000000000DB1000-memory.dmpFilesize
4KB
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memory/856-116-0x00000000056D0000-0x00000000056D1000-memory.dmpFilesize
4KB
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memory/856-117-0x0000000005D20000-0x0000000005D21000-memory.dmpFilesize
4KB
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memory/856-118-0x0000000005820000-0x0000000005821000-memory.dmpFilesize
4KB
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memory/856-119-0x0000000005820000-0x0000000005D1E000-memory.dmpFilesize
5.0MB
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memory/856-120-0x0000000003250000-0x0000000003251000-memory.dmpFilesize
4KB
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memory/856-121-0x0000000005980000-0x0000000005981000-memory.dmpFilesize
4KB
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memory/856-122-0x0000000005A00000-0x0000000005A10000-memory.dmpFilesize
64KB
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memory/856-123-0x0000000007C50000-0x0000000007CBA000-memory.dmpFilesize
424KB
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memory/856-124-0x000000000A2F0000-0x000000000A363000-memory.dmpFilesize
460KB
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memory/2284-125-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/2284-126-0x000000000046459E-mapping.dmp
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memory/2284-131-0x0000000005390000-0x000000000588E000-memory.dmpFilesize
5.0MB
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memory/2284-132-0x0000000006690000-0x0000000006691000-memory.dmpFilesize
4KB