snakekeylogger | cca2e9c4276c6241dd2b4f1365982b5b9efcf3ad72dcd0a68daf344496b06f06

General

Target
NPuFDsRjIJaGpxi.exe
Size 1.0MB
Sample221018-m7d1ysfec7
SHA256 cca2e9c4276c6241dd2b4f1365982b5b9efcf3ad72dcd0a68daf344496b06f06
MD5 0ac2e48cdc9ea61820fc41fe6d5fa988
SHA1 0e236c3810dbe75374ae4fe1db1345c3f86e4322
SHA512 8c45133028864c0acfdc13020d58859bcec8d42ce8ee97c1c18bf2ac2513f4f53e5f24b2202c12b2ec96368267e8ddd49b2eaf182a2ba9b82f692bdf026a80e6
SSDEEP 24576:cxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxNussnEIMgC1B:zEJ1JKP80flE+/k/Fdj
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5438794068:AAGoE4bpAIHtaGy3WdbPtgtC0pMD4Rz1TZU/sendMessage?chat_id=5268739623

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1060-140-0x0000000000400000-0x0000000000426000-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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NPuFDsRjIJaGpxi.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NPuFDsRjIJaGpxi.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NPuFDsRjIJaGpxi.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
34	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4012 set thread context of 1060	4012	NPuFDsRjIJaGpxi.exe	92

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4012	NPuFDsRjIJaGpxi.exe
4012	NPuFDsRjIJaGpxi.exe
1060	NPuFDsRjIJaGpxi.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4012	NPuFDsRjIJaGpxi.exe
Token: SeDebugPrivilege	1060	NPuFDsRjIJaGpxi.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4012 wrote to memory of 3116	4012	NPuFDsRjIJaGpxi.exe	91
PID 4012 wrote to memory of 3116	4012	NPuFDsRjIJaGpxi.exe	91
PID 4012 wrote to memory of 3116	4012	NPuFDsRjIJaGpxi.exe	91
PID 4012 wrote to memory of 1060	4012	NPuFDsRjIJaGpxi.exe	92
PID 4012 wrote to memory of 1060	4012	NPuFDsRjIJaGpxi.exe	92
PID 4012 wrote to memory of 1060	4012	NPuFDsRjIJaGpxi.exe	92
PID 4012 wrote to memory of 1060	4012	NPuFDsRjIJaGpxi.exe	92
PID 4012 wrote to memory of 1060	4012	NPuFDsRjIJaGpxi.exe	92
PID 4012 wrote to memory of 1060	4012	NPuFDsRjIJaGpxi.exe	92
PID 4012 wrote to memory of 1060	4012	NPuFDsRjIJaGpxi.exe	92
PID 4012 wrote to memory of 1060	4012	NPuFDsRjIJaGpxi.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NPuFDsRjIJaGpxi.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NPuFDsRjIJaGpxi.exe

C:\Users\Admin\AppData\Local\Temp\NPuFDsRjIJaGpxi.exe
"C:\Users\Admin\AppData\Local\Temp\NPuFDsRjIJaGpxi.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Users\Admin\AppData\Local\Temp\NPuFDsRjIJaGpxi.exe
  "C:\Users\Admin\AppData\Local\Temp\NPuFDsRjIJaGpxi.exe"
  2⤵
  PID:3116
- C:\Users\Admin\AppData\Local\Temp\NPuFDsRjIJaGpxi.exe
  "C:\Users\Admin\AppData\Local\Temp\NPuFDsRjIJaGpxi.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1060

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

NPuFDsRjIJaGpxi.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NPuFDsRjIJaGpxi.exe.log
Size 1KB
SHA256 bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
MD5 e08f822522c617a40840c62e4b0fb45e
SHA1 ae516dca4da5234be6676d3f234c19ec55725be7
SHA512 894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4
MD5 SHA1 SHA512

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memory/1060-140-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1060-142-0x0000000006C50000-0x0000000006E12000-memory.dmp

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memory/4012-132-0x0000000000740000-0x000000000084E000-memory.dmp

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memory/4012-133-0x00000000056D0000-0x0000000005C74000-memory.dmp

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memory/4012-134-0x0000000005120000-0x00000000051B2000-memory.dmp

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memory/4012-135-0x00000000050C0000-0x00000000050CA000-memory.dmp

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memory/4012-136-0x000000000BB70000-0x000000000BC0C000-memory.dmp

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memory/4012-137-0x000000000BC10000-0x000000000BC76000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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