snakekeylogger | 95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764

General

Target

95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe
Size

826KB
MD5

dc59e080bc0be8cee52ec9e79ccc7e82
SHA1

22d8e9aab959c584acc896bfeed170ffa672f1cb
SHA256

95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764
SHA512

7b836760ab575de13b95878a075ff8998e57433d0a7f5b2efb2bc4e3d7c4459e06af9cd71ca19f36913afde5c2b265667658542d892a61ea7f5b17f19d2484e0
SSDEEP

12288:6rLz6X60UHRoVNDWX4gpBRkZf0E5Vav8V7DcRIqlrTwimh0ndFJkTtlXkR:r67HRi4XLy90E5IUFgIqlrtnzQPC

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://scratchdreams.tk

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1048-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

resource	yara_rule
behavioral2/memory/1048-12-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 2 IoCs

resource	yara_rule
behavioral2/memory/5084-6-0x0000000005CA0000-0x0000000005CB0000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly
behavioral2/memory/5084-7-0x0000000005CC0000-0x0000000005CCC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/1048-12-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables with potential process hoocking 1 IoCs

resource	yara_rule
behavioral2/memory/1048-12-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook

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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.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
40	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5084 set thread context of 1048	5084	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe	97

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1048	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe
1048	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1048	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 1048	5084	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe	97
PID 5084 wrote to memory of 1048	5084	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe	97
PID 5084 wrote to memory of 1048	5084	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe	97
PID 5084 wrote to memory of 1048	5084	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe	97
PID 5084 wrote to memory of 1048	5084	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe	97
PID 5084 wrote to memory of 1048	5084	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe	97
PID 5084 wrote to memory of 1048	5084	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe	97
PID 5084 wrote to memory of 1048	5084	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe

C:\Users\Admin\AppData\Local\Temp\95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe
"C:\Users\Admin\AppData\Local\Temp\95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Users\Admin\AppData\Local\Temp\95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe
  "C:\Users\Admin\AppData\Local\Temp\95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

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\95e4dd6cc5a341f4440a113e0a832175aa2f5baafd9c7483255a18088e1c2764.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1048-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1048-21-0x00000000070B0000-0x0000000007272000-memory.dmp

Filesize
1.8MB

Download
memory/1048-20-0x0000000006E90000-0x0000000006EE0000-memory.dmp

Filesize
320KB

Download
memory/1048-19-0x0000000005C10000-0x0000000005C20000-memory.dmp

Filesize
64KB

Download
memory/1048-18-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/1048-17-0x0000000005C10000-0x0000000005C20000-memory.dmp

Filesize
64KB

Download
memory/1048-15-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/5084-10-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/5084-9-0x00000000094F0000-0x000000000958C000-memory.dmp

Filesize
624KB

Download
memory/5084-1-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/5084-11-0x0000000005B30000-0x0000000005B40000-memory.dmp

Filesize
64KB

Download
memory/5084-8-0x0000000006D30000-0x0000000006D98000-memory.dmp

Filesize
416KB

Download
memory/5084-7-0x0000000005CC0000-0x0000000005CCC000-memory.dmp

Filesize
48KB

Download
memory/5084-6-0x0000000005CA0000-0x0000000005CB0000-memory.dmp

Filesize
64KB

Download
memory/5084-16-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/5084-5-0x0000000005930000-0x000000000593A000-memory.dmp

Filesize
40KB

Download
memory/5084-4-0x0000000005B30000-0x0000000005B40000-memory.dmp

Filesize
64KB

Download
memory/5084-3-0x00000000059A0000-0x0000000005A32000-memory.dmp

Filesize
584KB

Download
memory/5084-2-0x0000000005F50000-0x00000000064F4000-memory.dmp

Filesize
5.6MB

Download
memory/5084-0-0x0000000000E60000-0x0000000000F32000-memory.dmp

Filesize
840KB

Download

Analysis

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