snakekeylogger | ef3e4d2d8d25c9193cf0ba20d5f41cab19134f6b78b649709b21667d217ecd8f

General

Target

3638367090aa7b5f444c76c0d1af9582.exe
Size

1.5MB
MD5

3638367090aa7b5f444c76c0d1af9582
SHA1

a4e716b571658f57886dbd60e36e2f65b8310c99
SHA256

ef3e4d2d8d25c9193cf0ba20d5f41cab19134f6b78b649709b21667d217ecd8f
SHA512

cced63914fee8f6849083cf6cd4eecfd11837fdb192ecbc469d6c2fbb706d1b1bc3edd3ec8e3bd44548c93d9ea8cb7bc3742bd4134f8a52d5481f65e173d376e

Score

10^/10

snakekeylogger keylogger persistence 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/4424-28-0x000000000046364E-mapping.dmp	family_snakekeylogger
behavioral2/memory/4424-32-0x0000000000600000-0x0000000000668000-memory.dmp	family_snakekeylogger

Executes dropped EXE 2 IoCs

Processes:

scis.exeInstallUtil.exe

pid process

1864 scis.exe
4424 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

pid	process
1864	scis.exe
4424	InstallUtil.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\not = "C:\\Users\\Admin\\scis.exe"	reg.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.

Processes:

flow ioc

15 checkip.dyndns.org
18 freegeoip.app
19 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

scis.exe

description pid process target process

PID 1864 set thread context of 4424 1864 scis.exe InstallUtil.exe

flow	ioc
15	checkip.dyndns.org
18	freegeoip.app
19	freegeoip.app

description	pid	process	target process
PID 1864 set thread context of 4424	1864	scis.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

3638367090aa7b5f444c76c0d1af9582.exescis.exeInstallUtil.exe

pid	process
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
4712	3638367090aa7b5f444c76c0d1af9582.exe
1864	scis.exe
1864	scis.exe
4424	InstallUtil.exe
4424	InstallUtil.exe
4424	InstallUtil.exe
4424	InstallUtil.exe
4424	InstallUtil.exe
4424	InstallUtil.exe
4424	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

3638367090aa7b5f444c76c0d1af9582.exescis.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4712	3638367090aa7b5f444c76c0d1af9582.exe
Token: SeDebugPrivilege	1864	scis.exe
Token: SeDebugPrivilege	4424	InstallUtil.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

3638367090aa7b5f444c76c0d1af9582.execmd.exescis.exe

description	pid	process	target process
PID 4712 wrote to memory of 3212	4712	3638367090aa7b5f444c76c0d1af9582.exe	cmd.exe
PID 4712 wrote to memory of 3212	4712	3638367090aa7b5f444c76c0d1af9582.exe	cmd.exe
PID 4712 wrote to memory of 3212	4712	3638367090aa7b5f444c76c0d1af9582.exe	cmd.exe
PID 3212 wrote to memory of 4072	3212	cmd.exe	reg.exe
PID 3212 wrote to memory of 4072	3212	cmd.exe	reg.exe
PID 3212 wrote to memory of 4072	3212	cmd.exe	reg.exe
PID 4712 wrote to memory of 1864	4712	3638367090aa7b5f444c76c0d1af9582.exe	scis.exe
PID 4712 wrote to memory of 1864	4712	3638367090aa7b5f444c76c0d1af9582.exe	scis.exe
PID 4712 wrote to memory of 1864	4712	3638367090aa7b5f444c76c0d1af9582.exe	scis.exe
PID 1864 wrote to memory of 4424	1864	scis.exe	InstallUtil.exe
PID 1864 wrote to memory of 4424	1864	scis.exe	InstallUtil.exe
PID 1864 wrote to memory of 4424	1864	scis.exe	InstallUtil.exe
PID 1864 wrote to memory of 4424	1864	scis.exe	InstallUtil.exe
PID 1864 wrote to memory of 4424	1864	scis.exe	InstallUtil.exe
PID 1864 wrote to memory of 4424	1864	scis.exe	InstallUtil.exe
PID 1864 wrote to memory of 4424	1864	scis.exe	InstallUtil.exe
PID 1864 wrote to memory of 4424	1864	scis.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\3638367090aa7b5f444c76c0d1af9582.exe
"C:\Users\Admin\AppData\Local\Temp\3638367090aa7b5f444c76c0d1af9582.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4712

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "not" /t REG_SZ /d "C:\Users\Admin\scis.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3212

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "not" /t REG_SZ /d "C:\Users\Admin\scis.exe"
3⤵
- Adds Run key to start application
PID:4072

C:\Users\Admin\scis.exe
"C:\Users\Admin\scis.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1864

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:4424

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

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\scis.exe
MD5
3638367090aa7b5f444c76c0d1af9582

SHA1
a4e716b571658f57886dbd60e36e2f65b8310c99

SHA256
ef3e4d2d8d25c9193cf0ba20d5f41cab19134f6b78b649709b21667d217ecd8f

SHA512
cced63914fee8f6849083cf6cd4eecfd11837fdb192ecbc469d6c2fbb706d1b1bc3edd3ec8e3bd44548c93d9ea8cb7bc3742bd4134f8a52d5481f65e173d376e

Download Submit
C:\Users\Admin\scis.exe
MD5
3638367090aa7b5f444c76c0d1af9582

SHA1
a4e716b571658f57886dbd60e36e2f65b8310c99

SHA256
ef3e4d2d8d25c9193cf0ba20d5f41cab19134f6b78b649709b21667d217ecd8f

SHA512
cced63914fee8f6849083cf6cd4eecfd11837fdb192ecbc469d6c2fbb706d1b1bc3edd3ec8e3bd44548c93d9ea8cb7bc3742bd4134f8a52d5481f65e173d376e

Download Submit
memory/1864-26-0x00000000055E1000-0x00000000055E2000-memory.dmp

Filesize
4KB

Download
memory/1864-25-0x0000000004E30000-0x0000000004E31000-memory.dmp

Filesize
4KB

Download
memory/1864-24-0x0000000007FC0000-0x0000000007FCB000-memory.dmp

Filesize
44KB

Download
memory/1864-23-0x00000000055E0000-0x00000000055E1000-memory.dmp

Filesize
4KB

Download
memory/1864-16-0x0000000073530000-0x0000000073C1E000-memory.dmp

Filesize
6.9MB

Download
memory/1864-13-0x0000000000000000-mapping.dmp

Download
memory/3212-10-0x0000000000000000-mapping.dmp

Download
memory/4072-11-0x0000000000000000-mapping.dmp

Download
memory/4424-28-0x000000000046364E-mapping.dmp

Download
memory/4424-31-0x0000000073530000-0x0000000073C1E000-memory.dmp

Filesize
6.9MB

Download
memory/4424-39-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

Filesize
4KB

Download
memory/4424-38-0x0000000005E50000-0x0000000005E51000-memory.dmp

Filesize
4KB

Download
memory/4424-36-0x0000000005BB0000-0x0000000005BB1000-memory.dmp

Filesize
4KB

Download
memory/4424-34-0x0000000005020000-0x0000000005021000-memory.dmp

Filesize
4KB

Download
memory/4424-32-0x0000000000600000-0x0000000000668000-memory.dmp

Filesize
416KB

Download
memory/4712-7-0x0000000005980000-0x0000000005981000-memory.dmp

Filesize
4KB

Download
memory/4712-3-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

Filesize
4KB

Download
memory/4712-5-0x00000000059C0000-0x00000000059C1000-memory.dmp

Filesize
4KB

Download
memory/4712-2-0x0000000073530000-0x0000000073C1E000-memory.dmp

Filesize
6.9MB

Download
memory/4712-6-0x0000000003360000-0x000000000337E000-memory.dmp

Filesize
120KB

Download
memory/4712-12-0x0000000005C31000-0x0000000005C32000-memory.dmp

Filesize
4KB

Download
memory/4712-8-0x0000000008360000-0x0000000008361000-memory.dmp

Filesize
4KB

Download
memory/4712-9-0x0000000005C30000-0x0000000005C31000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads