snakekeylogger | 97a21cdbe71ff0d84c423b4bc9a373a1de90c94ec7af9adc97a6d3812fdf2dfd

General

Target
fa158fed703f97981b6035190a738822.exe
Size 739KB
Sample230126-jktlcada25
SHA256 97a21cdbe71ff0d84c423b4bc9a373a1de90c94ec7af9adc97a6d3812fdf2dfd
MD5 fa158fed703f97981b6035190a738822
SHA1 aa2b7c1c1e6f478d0c7d3ca843110ff81c7d57b7
SHA512 01d640871c194ecf4ce99fb53dcce60c7d591724637f017941da64f36c21c59cfb7db50fa9f9ae20c61c9530e5eb224765338cb64104f74189ec585e214e18a3
SSDEEP 12288:jVpZu8h1cconBuOhjSXsPTNEv5wrqhMqDbVc+liB8G73v4KiaGkUwgYDlV86/YzE:JpZlh1cconBuOhjSXsPTNE5wrqhTPVc+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5611396317:AAGsgxx4hwlHZa8kVodTZpCQipWRFwFvBO0/sendMessage?chat_id=5237953097

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3356-139-0x0000000000400000-0x0000000000426000-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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa158fed703f97981b6035190a738822.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa158fed703f97981b6035190a738822.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa158fed703f97981b6035190a738822.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
89	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4208 set thread context of 3356	4208	fa158fed703f97981b6035190a738822.exe	90

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4208	fa158fed703f97981b6035190a738822.exe
4208	fa158fed703f97981b6035190a738822.exe
3356	fa158fed703f97981b6035190a738822.exe
3356	fa158fed703f97981b6035190a738822.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4208	fa158fed703f97981b6035190a738822.exe
Token: SeDebugPrivilege	3356	fa158fed703f97981b6035190a738822.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4208 wrote to memory of 4868	4208	fa158fed703f97981b6035190a738822.exe	89
PID 4208 wrote to memory of 4868	4208	fa158fed703f97981b6035190a738822.exe	89
PID 4208 wrote to memory of 4868	4208	fa158fed703f97981b6035190a738822.exe	89
PID 4208 wrote to memory of 3356	4208	fa158fed703f97981b6035190a738822.exe	90
PID 4208 wrote to memory of 3356	4208	fa158fed703f97981b6035190a738822.exe	90
PID 4208 wrote to memory of 3356	4208	fa158fed703f97981b6035190a738822.exe	90
PID 4208 wrote to memory of 3356	4208	fa158fed703f97981b6035190a738822.exe	90
PID 4208 wrote to memory of 3356	4208	fa158fed703f97981b6035190a738822.exe	90
PID 4208 wrote to memory of 3356	4208	fa158fed703f97981b6035190a738822.exe	90
PID 4208 wrote to memory of 3356	4208	fa158fed703f97981b6035190a738822.exe	90
PID 4208 wrote to memory of 3356	4208	fa158fed703f97981b6035190a738822.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa158fed703f97981b6035190a738822.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa158fed703f97981b6035190a738822.exe

C:\Users\Admin\AppData\Local\Temp\fa158fed703f97981b6035190a738822.exe
"C:\Users\Admin\AppData\Local\Temp\fa158fed703f97981b6035190a738822.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4208
- C:\Users\Admin\AppData\Local\Temp\fa158fed703f97981b6035190a738822.exe
  "C:\Users\Admin\AppData\Local\Temp\fa158fed703f97981b6035190a738822.exe"
  2⤵
  PID:4868
- C:\Users\Admin\AppData\Local\Temp\fa158fed703f97981b6035190a738822.exe
  "C:\Users\Admin\AppData\Local\Temp\fa158fed703f97981b6035190a738822.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3356

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

fa158fed703f97981b6035190a738822.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fa158fed703f97981b6035190a738822.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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memory/3356-139-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/3356-141-0x00000000061C0000-0x0000000006382000-memory.dmp

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memory/4208-132-0x00000000006F0000-0x00000000007B0000-memory.dmp

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memory/4208-133-0x00000000057B0000-0x0000000005D54000-memory.dmp

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memory/4208-134-0x0000000005140000-0x00000000051D2000-memory.dmp

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memory/4208-135-0x00000000051E0000-0x00000000051EA000-memory.dmp

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memory/4208-136-0x0000000008C80000-0x0000000008D1C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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