snakekeylogger | 2bffb59c94e38a0b9c564111115dd3bf5d9f333dc1554d308722637d9f88cdf1

General

Target

b47f9debd444eacd67ee09f892a25329.exe
Size

1.6MB
MD5

b47f9debd444eacd67ee09f892a25329
SHA1

d5a54558cfe679ed97615acc6b0e114854a292c6
SHA256

2bffb59c94e38a0b9c564111115dd3bf5d9f333dc1554d308722637d9f88cdf1
SHA512

1f59adc8b1876966c50d49b89802ec21935bcc6e8061f043ac67a0d79a93f678869031889447b539ad8d4649705670d9c5fcd17a0fcd178953a76de370d64841

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2216-13-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger
behavioral2/memory/2216-14-0x000000000046364E-mapping.dmp	family_snakekeylogger

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

2216 InstallUtil.exe
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

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

Data from Local System
T1005

Credentials in Files
T1081
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

13 checkip.dyndns.org
16 freegeoip.app
17 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

b47f9debd444eacd67ee09f892a25329.exe

description pid process target process

PID 4000 set thread context of 2216 4000 b47f9debd444eacd67ee09f892a25329.exe InstallUtil.exe

pid	process
2216	InstallUtil.exe

flow	ioc
13	checkip.dyndns.org
16	freegeoip.app
17	freegeoip.app

description	pid	process	target process
PID 4000 set thread context of 2216	4000	b47f9debd444eacd67ee09f892a25329.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

b47f9debd444eacd67ee09f892a25329.exeInstallUtil.exe

pid	process
4000	b47f9debd444eacd67ee09f892a25329.exe
4000	b47f9debd444eacd67ee09f892a25329.exe
2216	InstallUtil.exe
2216	InstallUtil.exe
2216	InstallUtil.exe
2216	InstallUtil.exe
2216	InstallUtil.exe
2216	InstallUtil.exe
2216	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b47f9debd444eacd67ee09f892a25329.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 4000 b47f9debd444eacd67ee09f892a25329.exe
Token: SeDebugPrivilege 2216 InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4000	b47f9debd444eacd67ee09f892a25329.exe
Token: SeDebugPrivilege	2216	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b47f9debd444eacd67ee09f892a25329.exe

description	pid	process	target process
PID 4000 wrote to memory of 2216	4000	b47f9debd444eacd67ee09f892a25329.exe	InstallUtil.exe
PID 4000 wrote to memory of 2216	4000	b47f9debd444eacd67ee09f892a25329.exe	InstallUtil.exe
PID 4000 wrote to memory of 2216	4000	b47f9debd444eacd67ee09f892a25329.exe	InstallUtil.exe
PID 4000 wrote to memory of 2216	4000	b47f9debd444eacd67ee09f892a25329.exe	InstallUtil.exe
PID 4000 wrote to memory of 2216	4000	b47f9debd444eacd67ee09f892a25329.exe	InstallUtil.exe
PID 4000 wrote to memory of 2216	4000	b47f9debd444eacd67ee09f892a25329.exe	InstallUtil.exe
PID 4000 wrote to memory of 2216	4000	b47f9debd444eacd67ee09f892a25329.exe	InstallUtil.exe
PID 4000 wrote to memory of 2216	4000	b47f9debd444eacd67ee09f892a25329.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\b47f9debd444eacd67ee09f892a25329.exe
"C:\Users\Admin\AppData\Local\Temp\b47f9debd444eacd67ee09f892a25329.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/2216-13-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2216-25-0x0000000006230000-0x0000000006231000-memory.dmp

Filesize
4KB

Download
memory/2216-24-0x0000000005390000-0x0000000005391000-memory.dmp

Filesize
4KB

Download
memory/2216-22-0x00000000062B0000-0x00000000062B1000-memory.dmp

Filesize
4KB

Download
memory/2216-20-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/2216-17-0x00000000738E0000-0x0000000073FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-14-0x000000000046364E-mapping.dmp

Download
memory/4000-7-0x0000000002FF0000-0x0000000002FF1000-memory.dmp

Filesize
4KB

Download
memory/4000-12-0x0000000005821000-0x0000000005822000-memory.dmp

Filesize
4KB

Download
memory/4000-11-0x000000000C090000-0x000000000C091000-memory.dmp

Filesize
4KB

Download
memory/4000-10-0x0000000008BE0000-0x0000000008BEB000-memory.dmp

Filesize
44KB

Download
memory/4000-9-0x0000000005820000-0x0000000005821000-memory.dmp

Filesize
4KB

Download
memory/4000-8-0x0000000007F50000-0x0000000007F51000-memory.dmp

Filesize
4KB

Download
memory/4000-2-0x00000000738E0000-0x0000000073FCE000-memory.dmp

Filesize
6.9MB

Download
memory/4000-6-0x0000000005560000-0x000000000557E000-memory.dmp

Filesize
120KB

Download
memory/4000-5-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/4000-3-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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