Analysis
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max time kernel
91s -
max time network
92s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
28-02-2021 03:30
Static task
static1
Behavioral task
behavioral1
Sample
SHIPPING DOCUMENT & PL.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
SHIPPING DOCUMENT & PL.exe
Resource
win10v20201028
General
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Target
SHIPPING DOCUMENT & PL.exe
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Size
602KB
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MD5
2d9e58aae7cb889e6fecc3ad4321685c
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SHA1
8dc4098500977db1b6cce9e8050223988b35ee1c
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SHA256
f8b66ad0f394bf4e2277c1dabb9cf3ec55e970acf67108759178046a5c268116
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SHA512
a080705b3bea928eebd872999c7528944687751e69107d88235614ca28c38785556357270acf2647c8699a2de354151f84cbacb5641f7ec4d1abde940a678fd1
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1472-11-0x0000000000463E2E-mapping.dmp family_snakekeylogger behavioral1/memory/1472-10-0x0000000000400000-0x0000000000468000-memory.dmp family_snakekeylogger behavioral1/memory/1472-13-0x0000000000400000-0x0000000000468000-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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 checkip.dyndns.org 11 freegeoip.app 12 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SHIPPING DOCUMENT & PL.exedescription pid process target process PID 792 set thread context of 1472 792 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe -
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.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
SHIPPING DOCUMENT & PL.exeSHIPPING DOCUMENT & PL.exepid process 792 SHIPPING DOCUMENT & PL.exe 1472 SHIPPING DOCUMENT & PL.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SHIPPING DOCUMENT & PL.exeSHIPPING DOCUMENT & PL.exedescription pid process Token: SeDebugPrivilege 792 SHIPPING DOCUMENT & PL.exe Token: SeDebugPrivilege 1472 SHIPPING DOCUMENT & PL.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
SHIPPING DOCUMENT & PL.exedescription pid process target process PID 792 wrote to memory of 848 792 SHIPPING DOCUMENT & PL.exe schtasks.exe PID 792 wrote to memory of 848 792 SHIPPING DOCUMENT & PL.exe schtasks.exe PID 792 wrote to memory of 848 792 SHIPPING DOCUMENT & PL.exe schtasks.exe PID 792 wrote to memory of 848 792 SHIPPING DOCUMENT & PL.exe schtasks.exe PID 792 wrote to memory of 1472 792 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 792 wrote to memory of 1472 792 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 792 wrote to memory of 1472 792 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 792 wrote to memory of 1472 792 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 792 wrote to memory of 1472 792 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 792 wrote to memory of 1472 792 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 792 wrote to memory of 1472 792 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 792 wrote to memory of 1472 792 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 792 wrote to memory of 1472 792 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PL.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PL.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AVtTjRFt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB79C.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PL.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpB79C.tmpMD5
f408f1c76d93d89e02fbc7fef29e17a6
SHA13da6302a98ce33c1a5e9c45f6e4ed0ee963b60d8
SHA2569c410217463106468de4c546b905311626667ef6f369ae0e8044e33d65dde016
SHA512ca8b79627f82c30f8596643ac5113097e665d326cb3c83dd11661a7b28f52726679d095b2a2e148dc25faa635ccfc25761a453efbf68ea5522793c7984342c64
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memory/792-2-0x00000000747A0000-0x0000000074E8E000-memory.dmpFilesize
6.9MB
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memory/792-3-0x0000000000960000-0x0000000000961000-memory.dmpFilesize
4KB
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memory/792-5-0x0000000000390000-0x000000000039B000-memory.dmpFilesize
44KB
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memory/792-6-0x00000000047A0000-0x00000000047A1000-memory.dmpFilesize
4KB
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memory/792-7-0x0000000005180000-0x0000000005230000-memory.dmpFilesize
704KB
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memory/848-8-0x0000000000000000-mapping.dmp
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memory/1472-11-0x0000000000463E2E-mapping.dmp
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memory/1472-10-0x0000000000400000-0x0000000000468000-memory.dmpFilesize
416KB
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memory/1472-12-0x00000000747A0000-0x0000000074E8E000-memory.dmpFilesize
6.9MB
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memory/1472-13-0x0000000000400000-0x0000000000468000-memory.dmpFilesize
416KB
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memory/1472-15-0x00000000049F0000-0x00000000049F1000-memory.dmpFilesize
4KB