snakekeylogger | 921a9d7e264ebdd6cd571b536733497be42e08ce26b1846fc1870220fc335b15

Analysis

max time kernel
90s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/10/2022, 08:20

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General

Target
PO 58873476`644.exe
Size 725KB
Sample221027-j8fpdsbec3
SHA256 921a9d7e264ebdd6cd571b536733497be42e08ce26b1846fc1870220fc335b15
MD5 cc897f28c7ac67ea1078420d3b4b9cb1
SHA1 72a27a63abbc6bc0b633993f16d397ab552ceb3a
SHA512 ffb80845184f5c7886cee67f8233928596330b22e5423fd8b49290cf4de0b7f26d2c2bce9b532ffcc4a5ae481628db3017c55e0e2d9d0c18f86645896b5c8baf
SSDEEP 12288:mHjF/f+zwwUaoHFOVGHVLfDGHsyCzAIUZD+ToMVsm1pqnS:GBG8wfwwGHVLfqNCzAIGD+To01pCS
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5793325124:AAGHzRsq2tvLBf23l8pkEofcJjw4AQXsgAQ/sendMessage?chat_id=2086616067

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4800-138-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 58873476`644.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 58873476`644.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 58873476`644.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
35	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4956 set thread context of 4800	4956	PO 58873476`644.exe	91

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4800	PO 58873476`644.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4800	PO 58873476`644.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 4800	4956	PO 58873476`644.exe	91
PID 4956 wrote to memory of 4800	4956	PO 58873476`644.exe	91
PID 4956 wrote to memory of 4800	4956	PO 58873476`644.exe	91
PID 4956 wrote to memory of 4800	4956	PO 58873476`644.exe	91
PID 4956 wrote to memory of 4800	4956	PO 58873476`644.exe	91
PID 4956 wrote to memory of 4800	4956	PO 58873476`644.exe	91
PID 4956 wrote to memory of 4800	4956	PO 58873476`644.exe	91
PID 4956 wrote to memory of 4800	4956	PO 58873476`644.exe	91

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	PO 58873476`644.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	PO 58873476`644.exe

C:\Users\Admin\AppData\Local\Temp\PO 58873476`644.exe
"C:\Users\Admin\AppData\Local\Temp\PO 58873476`644.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Users\Admin\AppData\Local\Temp\PO 58873476`644.exe
  "C:\Users\Admin\AppData\Local\Temp\PO 58873476`644.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4800

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

PO 58873476`644.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO 58873476`644.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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memory/4800-138-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/4800-140-0x0000000006800000-0x00000000069C2000-memory.dmp

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memory/4956-132-0x0000000000730000-0x00000000007EC000-memory.dmp

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memory/4956-133-0x00000000056D0000-0x0000000005C74000-memory.dmp

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memory/4956-134-0x00000000051C0000-0x0000000005252000-memory.dmp

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memory/4956-135-0x00000000051A0000-0x00000000051AA000-memory.dmp

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memory/4956-136-0x0000000007520000-0x00000000075BC000-memory.dmp

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