snakekeylogger | 8b066067df73a77d2b21f65084a3d87868e11d4ae2ba3e039a7aa819b6245964

General

Target

d38854cdaaffbf1f0286ae04bd375a08.exe
Size

1.4MB
MD5

d38854cdaaffbf1f0286ae04bd375a08
SHA1

f11fce8294951007617c2171db5a271f8af20d64
SHA256

8b066067df73a77d2b21f65084a3d87868e11d4ae2ba3e039a7aa819b6245964
SHA512

608490f5cda23a5e5f1de97e791e1f9d6a32c7f617e7d93c999e825cce1cd82613f1677792b0d58f7f1974ac25895e31ea018c5956664571f53a395064920e59

Score

10^/10

snakekeylogger keylogger ransomware spyware stealer

Malware Config

Signatures

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

Snake Keylogger Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1224-24-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger
behavioral1/memory/1224-25-0x000000000046381E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1224-28-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger

Executes dropped EXE 2 IoCs

Processes:

bsys.exeInstallUtil.exe

pid process

1460 bsys.exe
1224 InstallUtil.exe

pid	process
1460	bsys.exe
1224	InstallUtil.exe

Drops startup file 1 IoCs

Processes:

d38854cdaaffbf1f0286ae04bd375a08.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bsys.lnk	d38854cdaaffbf1f0286ae04bd375a08.exe

Loads dropped DLL 2 IoCs

Processes:

d38854cdaaffbf1f0286ae04bd375a08.exebsys.exe

pid process

1108 d38854cdaaffbf1f0286ae04bd375a08.exe
1460 bsys.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

6 checkip.dyndns.org
11 freegeoip.app
12 freegeoip.app
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082
Suspicious use of SetThreadContext 1 IoCs

Processes:

bsys.exe

description pid process target process

PID 1460 set thread context of 1224 1460 bsys.exe InstallUtil.exe

flow	ioc
6	checkip.dyndns.org
11	freegeoip.app
12	freegeoip.app

description	pid	process	target process
PID 1460 set thread context of 1224	1460	bsys.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

d38854cdaaffbf1f0286ae04bd375a08.exebsys.exeInstallUtil.exe

pid	process
1108	d38854cdaaffbf1f0286ae04bd375a08.exe
1108	d38854cdaaffbf1f0286ae04bd375a08.exe
1108	d38854cdaaffbf1f0286ae04bd375a08.exe
1108	d38854cdaaffbf1f0286ae04bd375a08.exe
1108	d38854cdaaffbf1f0286ae04bd375a08.exe
1460	bsys.exe
1460	bsys.exe
1224	InstallUtil.exe
1224	InstallUtil.exe
1224	InstallUtil.exe
1224	InstallUtil.exe
1224	InstallUtil.exe
1224	InstallUtil.exe
1224	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

d38854cdaaffbf1f0286ae04bd375a08.exebsys.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1108	d38854cdaaffbf1f0286ae04bd375a08.exe
Token: SeDebugPrivilege	1460	bsys.exe
Token: SeDebugPrivilege	1224	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

d38854cdaaffbf1f0286ae04bd375a08.exebsys.exe

description	pid	process	target process
PID 1108 wrote to memory of 1460	1108	d38854cdaaffbf1f0286ae04bd375a08.exe	bsys.exe
PID 1108 wrote to memory of 1460	1108	d38854cdaaffbf1f0286ae04bd375a08.exe	bsys.exe
PID 1108 wrote to memory of 1460	1108	d38854cdaaffbf1f0286ae04bd375a08.exe	bsys.exe
PID 1108 wrote to memory of 1460	1108	d38854cdaaffbf1f0286ae04bd375a08.exe	bsys.exe
PID 1460 wrote to memory of 1224	1460	bsys.exe	InstallUtil.exe
PID 1460 wrote to memory of 1224	1460	bsys.exe	InstallUtil.exe
PID 1460 wrote to memory of 1224	1460	bsys.exe	InstallUtil.exe
PID 1460 wrote to memory of 1224	1460	bsys.exe	InstallUtil.exe
PID 1460 wrote to memory of 1224	1460	bsys.exe	InstallUtil.exe
PID 1460 wrote to memory of 1224	1460	bsys.exe	InstallUtil.exe
PID 1460 wrote to memory of 1224	1460	bsys.exe	InstallUtil.exe
PID 1460 wrote to memory of 1224	1460	bsys.exe	InstallUtil.exe
PID 1460 wrote to memory of 1224	1460	bsys.exe	InstallUtil.exe
PID 1460 wrote to memory of 1224	1460	bsys.exe	InstallUtil.exe
PID 1460 wrote to memory of 1224	1460	bsys.exe	InstallUtil.exe
PID 1460 wrote to memory of 1224	1460	bsys.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\d38854cdaaffbf1f0286ae04bd375a08.exe
"C:\Users\Admin\AppData\Local\Temp\d38854cdaaffbf1f0286ae04bd375a08.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108

C:\Users\Admin\bsys.exe
"C:\Users\Admin\bsys.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1460

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1224

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

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
C:\Users\Admin\bsys.exe
MD5
d38854cdaaffbf1f0286ae04bd375a08

SHA1
f11fce8294951007617c2171db5a271f8af20d64

SHA256
8b066067df73a77d2b21f65084a3d87868e11d4ae2ba3e039a7aa819b6245964

SHA512
608490f5cda23a5e5f1de97e791e1f9d6a32c7f617e7d93c999e825cce1cd82613f1677792b0d58f7f1974ac25895e31ea018c5956664571f53a395064920e59

Download Submit
C:\Users\Admin\bsys.exe
MD5
d38854cdaaffbf1f0286ae04bd375a08

SHA1
f11fce8294951007617c2171db5a271f8af20d64

SHA256
8b066067df73a77d2b21f65084a3d87868e11d4ae2ba3e039a7aa819b6245964

SHA512
608490f5cda23a5e5f1de97e791e1f9d6a32c7f617e7d93c999e825cce1cd82613f1677792b0d58f7f1974ac25895e31ea018c5956664571f53a395064920e59

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

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\bsys.exe
MD5
d38854cdaaffbf1f0286ae04bd375a08

SHA1
f11fce8294951007617c2171db5a271f8af20d64

SHA256
8b066067df73a77d2b21f65084a3d87868e11d4ae2ba3e039a7aa819b6245964

SHA512
608490f5cda23a5e5f1de97e791e1f9d6a32c7f617e7d93c999e825cce1cd82613f1677792b0d58f7f1974ac25895e31ea018c5956664571f53a395064920e59

Download Submit
memory/1108-3-0x0000000001150000-0x0000000001151000-memory.dmp

Filesize
4KB

Download
memory/1108-5-0x00000000008E0000-0x00000000008FE000-memory.dmp

Filesize
120KB

Download
memory/1108-6-0x0000000000910000-0x0000000000911000-memory.dmp

Filesize
4KB

Download
memory/1108-7-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Filesize
4KB

Download
memory/1108-8-0x0000000004AC1000-0x0000000004AC2000-memory.dmp

Filesize
4KB

Download
memory/1108-2-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/1224-24-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1224-25-0x000000000046381E-mapping.dmp

Download
memory/1224-27-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/1224-28-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1224-30-0x0000000004A70000-0x0000000004A71000-memory.dmp

Filesize
4KB

Download
memory/1460-19-0x00000000006F0000-0x00000000006FB000-memory.dmp

Filesize
44KB

Download
memory/1460-20-0x0000000000C00000-0x0000000000C01000-memory.dmp

Filesize
4KB

Download
memory/1460-18-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

Filesize
4KB

Download
memory/1460-14-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/1460-23-0x0000000004BE1000-0x0000000004BE2000-memory.dmp

Filesize
4KB

Download
memory/1460-13-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/1460-10-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads