snakekeylogger | 8eae39e54a2e968f3758e1b24128b62d85322fe0398bcfbe5132f224dcbfe6b4

General

Target

PO NO. 4000196529.exe
Size

546KB
MD5

c4c6ae08650f793270c084646903f70b
SHA1

70620b3f3924bcd2a52c2199a4d10ba0f3b807a2
SHA256

595e9098c3748bee87937fb4d8fd6620891926c9e9077299687428d4f48140f9
SHA512

058f651fb927f6e15be04f0b611f36ee5e46f1e5e7b9009d6ba62ac69e6ef1bfad91e17177dbf7f78cfeca6e325450c8af6a6a2f351c56d93c182614ad4a23cd
SSDEEP

12288:uLNPINJyW5MweK/z18I5OI++4GLQeCJktveWEdvFQd8+:KNPrW7Jh8I5PmGxWWaFQd8

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7341566981:AAH_QhKPgpHvD4E-8Yu-Ykq_swRA6fRW7TE/sendMessage?chat_id=7564846096

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2848-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger 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.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NO. 4000196529.exe
Key opened	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NO. 4000196529.exe
Key opened	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NO. 4000196529.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
31	reallyfreegeoip.org
27	checkip.dyndns.org
30	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4616 set thread context of 2848	4616	PO NO. 4000196529.exe	91

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO NO. 4000196529.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO NO. 4000196529.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2848	PO NO. 4000196529.exe
2848	PO NO. 4000196529.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2848	PO NO. 4000196529.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 2848	4616	PO NO. 4000196529.exe	91
PID 4616 wrote to memory of 2848	4616	PO NO. 4000196529.exe	91
PID 4616 wrote to memory of 2848	4616	PO NO. 4000196529.exe	91
PID 4616 wrote to memory of 2848	4616	PO NO. 4000196529.exe	91
PID 4616 wrote to memory of 2848	4616	PO NO. 4000196529.exe	91
PID 4616 wrote to memory of 2848	4616	PO NO. 4000196529.exe	91
PID 4616 wrote to memory of 2848	4616	PO NO. 4000196529.exe	91
PID 4616 wrote to memory of 2848	4616	PO NO. 4000196529.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NO. 4000196529.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NO. 4000196529.exe

C:\Users\Admin\AppData\Local\Temp\PO NO. 4000196529.exe
"C:\Users\Admin\AppData\Local\Temp\PO NO. 4000196529.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4616
- C:\Users\Admin\AppData\Local\Temp\PO NO. 4000196529.exe
  "C:\Users\Admin\AppData\Local\Temp\PO NO. 4000196529.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO NO. 4000196529.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2848-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2848-20-0x0000000006D50000-0x0000000006F12000-memory.dmp

Filesize
1.8MB

Download
memory/2848-19-0x0000000006B30000-0x0000000006B80000-memory.dmp

Filesize
320KB

Download
memory/2848-18-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/2848-17-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/2848-16-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/2848-14-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/4616-4-0x00000000059B0000-0x00000000059BA000-memory.dmp

Filesize
40KB

Download
memory/4616-9-0x00000000085A0000-0x000000000860C000-memory.dmp

Filesize
432KB

Download
memory/4616-10-0x0000000006E80000-0x0000000006F1C000-memory.dmp

Filesize
624KB

Download
memory/4616-8-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/4616-7-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

Filesize
4KB

Download
memory/4616-6-0x0000000005F70000-0x0000000005F80000-memory.dmp

Filesize
64KB

Download
memory/4616-15-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/4616-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

Filesize
4KB

Download
memory/4616-5-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/4616-3-0x00000000059D0000-0x0000000005A62000-memory.dmp

Filesize
584KB

Download
memory/4616-2-0x0000000005F80000-0x0000000006524000-memory.dmp

Filesize
5.6MB

Download
memory/4616-1-0x0000000000F80000-0x000000000100E000-memory.dmp

Filesize
568KB

Download

Analysis

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