snakekeylogger | ff68f0b8908d33ce1a3eb32cc1478e911b4e9dd853371f62a604fb366b274234

General

Target

trt.exe
Size

1.2MB
MD5

6814ec089e0a7f02265ce289d58d5a43
SHA1

d626b1a7c18d7217ca29381ace800e0ec4165272
SHA256

ff68f0b8908d33ce1a3eb32cc1478e911b4e9dd853371f62a604fb366b274234
SHA512

0e7465b9510d739cd2c36041c6bffe060a6f57083a2302625d091aab831fd42ab768887de81102a431492926e01364fd0b9a054f09c028cd36458ea83b9867c1

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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/332-13-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger
behavioral1/memory/332-14-0x000000000046370E-mapping.dmp	family_snakekeylogger
behavioral1/memory/332-18-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

332 InstallUtil.exe
Loads dropped DLL 1 IoCs

Processes:

trt.exe

pid process

892 trt.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

15 freegeoip.app
9 checkip.dyndns.org
14 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

trt.exe

description pid process target process

PID 892 set thread context of 332 892 trt.exe InstallUtil.exe

pid	process
332	InstallUtil.exe

flow	ioc
15	freegeoip.app
9	checkip.dyndns.org
14	freegeoip.app

description	pid	process	target process
PID 892 set thread context of 332	892	trt.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

trt.exeInstallUtil.exe

pid	process
892	trt.exe
892	trt.exe
332	InstallUtil.exe
332	InstallUtil.exe
332	InstallUtil.exe
332	InstallUtil.exe
332	InstallUtil.exe
332	InstallUtil.exe
332	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

trt.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 892 trt.exe
Token: SeDebugPrivilege 332 InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	892	trt.exe
Token: SeDebugPrivilege	332	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

trt.exe

description	pid	process	target process
PID 892 wrote to memory of 332	892	trt.exe	InstallUtil.exe
PID 892 wrote to memory of 332	892	trt.exe	InstallUtil.exe
PID 892 wrote to memory of 332	892	trt.exe	InstallUtil.exe
PID 892 wrote to memory of 332	892	trt.exe	InstallUtil.exe
PID 892 wrote to memory of 332	892	trt.exe	InstallUtil.exe
PID 892 wrote to memory of 332	892	trt.exe	InstallUtil.exe
PID 892 wrote to memory of 332	892	trt.exe	InstallUtil.exe
PID 892 wrote to memory of 332	892	trt.exe	InstallUtil.exe
PID 892 wrote to memory of 332	892	trt.exe	InstallUtil.exe
PID 892 wrote to memory of 332	892	trt.exe	InstallUtil.exe
PID 892 wrote to memory of 332	892	trt.exe	InstallUtil.exe
PID 892 wrote to memory of 332	892	trt.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\trt.exe
"C:\Users\Admin\AppData\Local\Temp\trt.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:892

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:332

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

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

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/332-13-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/332-20-0x0000000004B90000-0x0000000004B91000-memory.dmp

Filesize
4KB

Download
memory/332-18-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/332-17-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/332-14-0x000000000046370E-mapping.dmp

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memory/892-8-0x0000000000860000-0x0000000000861000-memory.dmp

Filesize
4KB

Download
memory/892-12-0x0000000004CC1000-0x0000000004CC2000-memory.dmp

Filesize
4KB

Download
memory/892-10-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download
memory/892-9-0x00000000009F0000-0x00000000009FB000-memory.dmp

Filesize
44KB

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memory/892-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/892-7-0x00000000007F0000-0x000000000080E000-memory.dmp

Filesize
120KB

Download
memory/892-5-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/892-3-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

Filesize
4KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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