snakekeylogger | 2ffa6649ad0da183479cf5b33f23cf2b5ec55fa2171e144207032f94eb1fddc2

General

Target

717d346bd75687b1141a5ba89e06a42c.exe
Size

1.5MB
MD5

717d346bd75687b1141a5ba89e06a42c
SHA1

a8b7a4a15866609c19c7f4e3b0f0f460c76b14e9
SHA256

2ffa6649ad0da183479cf5b33f23cf2b5ec55fa2171e144207032f94eb1fddc2
SHA512

46bc4a8836abccf0bb2bba92802b70bc1d8eb543dbeee9923668a6cc4037b73533773b688257a34d082e1a4b947d189b3553caf410183cf1ad4517c520b987de

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/2356-27-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger
behavioral2/memory/2356-28-0x000000000046364E-mapping.dmp	family_snakekeylogger

Executes dropped EXE 2 IoCs

Processes:

jra.exeInstallUtil.exe

pid process

2636 jra.exe
2356 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
2636	jra.exe
2356	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\fxyt = "C:\\Users\\Admin\\jra.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

16 checkip.dyndns.org
19 freegeoip.app
20 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

jra.exe

description pid process target process

PID 2636 set thread context of 2356 2636 jra.exe InstallUtil.exe

flow	ioc
16	checkip.dyndns.org
19	freegeoip.app
20	freegeoip.app

description	pid	process	target process
PID 2636 set thread context of 2356	2636	jra.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

717d346bd75687b1141a5ba89e06a42c.exejra.exeInstallUtil.exe

pid	process
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
4000	717d346bd75687b1141a5ba89e06a42c.exe
2636	jra.exe
2636	jra.exe
2356	InstallUtil.exe
2356	InstallUtil.exe
2356	InstallUtil.exe
2356	InstallUtil.exe
2356	InstallUtil.exe
2356	InstallUtil.exe
2356	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

717d346bd75687b1141a5ba89e06a42c.exejra.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4000	717d346bd75687b1141a5ba89e06a42c.exe
Token: SeDebugPrivilege	2636	jra.exe
Token: SeDebugPrivilege	2356	InstallUtil.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

717d346bd75687b1141a5ba89e06a42c.execmd.exejra.exe

description	pid	process	target process
PID 4000 wrote to memory of 1268	4000	717d346bd75687b1141a5ba89e06a42c.exe	cmd.exe
PID 4000 wrote to memory of 1268	4000	717d346bd75687b1141a5ba89e06a42c.exe	cmd.exe
PID 4000 wrote to memory of 1268	4000	717d346bd75687b1141a5ba89e06a42c.exe	cmd.exe
PID 1268 wrote to memory of 416	1268	cmd.exe	reg.exe
PID 1268 wrote to memory of 416	1268	cmd.exe	reg.exe
PID 1268 wrote to memory of 416	1268	cmd.exe	reg.exe
PID 4000 wrote to memory of 2636	4000	717d346bd75687b1141a5ba89e06a42c.exe	jra.exe
PID 4000 wrote to memory of 2636	4000	717d346bd75687b1141a5ba89e06a42c.exe	jra.exe
PID 4000 wrote to memory of 2636	4000	717d346bd75687b1141a5ba89e06a42c.exe	jra.exe
PID 2636 wrote to memory of 2356	2636	jra.exe	InstallUtil.exe
PID 2636 wrote to memory of 2356	2636	jra.exe	InstallUtil.exe
PID 2636 wrote to memory of 2356	2636	jra.exe	InstallUtil.exe
PID 2636 wrote to memory of 2356	2636	jra.exe	InstallUtil.exe
PID 2636 wrote to memory of 2356	2636	jra.exe	InstallUtil.exe
PID 2636 wrote to memory of 2356	2636	jra.exe	InstallUtil.exe
PID 2636 wrote to memory of 2356	2636	jra.exe	InstallUtil.exe
PID 2636 wrote to memory of 2356	2636	jra.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\717d346bd75687b1141a5ba89e06a42c.exe
"C:\Users\Admin\AppData\Local\Temp\717d346bd75687b1141a5ba89e06a42c.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "fxyt" /t REG_SZ /d "C:\Users\Admin\jra.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1268

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "fxyt" /t REG_SZ /d "C:\Users\Admin\jra.exe"
3⤵
- Adds Run key to start application
PID:416

C:\Users\Admin\jra.exe
"C:\Users\Admin\jra.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2636

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:2356

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

Replay Monitor

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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\jra.exe
MD5
717d346bd75687b1141a5ba89e06a42c

SHA1
a8b7a4a15866609c19c7f4e3b0f0f460c76b14e9

SHA256
2ffa6649ad0da183479cf5b33f23cf2b5ec55fa2171e144207032f94eb1fddc2

SHA512
46bc4a8836abccf0bb2bba92802b70bc1d8eb543dbeee9923668a6cc4037b73533773b688257a34d082e1a4b947d189b3553caf410183cf1ad4517c520b987de

Download Submit
C:\Users\Admin\jra.exe
MD5
717d346bd75687b1141a5ba89e06a42c

SHA1
a8b7a4a15866609c19c7f4e3b0f0f460c76b14e9

SHA256
2ffa6649ad0da183479cf5b33f23cf2b5ec55fa2171e144207032f94eb1fddc2

SHA512
46bc4a8836abccf0bb2bba92802b70bc1d8eb543dbeee9923668a6cc4037b73533773b688257a34d082e1a4b947d189b3553caf410183cf1ad4517c520b987de

Download Submit
memory/416-11-0x0000000000000000-mapping.dmp

Download
memory/1268-10-0x0000000000000000-mapping.dmp

Download
memory/2356-27-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2356-28-0x000000000046364E-mapping.dmp

Download
memory/2356-39-0x0000000005E60000-0x0000000005E61000-memory.dmp

Filesize
4KB

Download
memory/2356-37-0x0000000005EC0000-0x0000000005EC1000-memory.dmp

Filesize
4KB

Download
memory/2356-36-0x00000000028F0000-0x00000000028F1000-memory.dmp

Filesize
4KB

Download
memory/2356-34-0x0000000005270000-0x0000000005271000-memory.dmp

Filesize
4KB

Download
memory/2356-31-0x00000000738E0000-0x0000000073FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2636-26-0x0000000004C31000-0x0000000004C32000-memory.dmp

Filesize
4KB

Download
memory/2636-16-0x00000000738E0000-0x0000000073FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2636-24-0x0000000008250000-0x000000000825B000-memory.dmp

Filesize
44KB

Download
memory/2636-25-0x000000000B700000-0x000000000B701000-memory.dmp

Filesize
4KB

Download
memory/2636-13-0x0000000000000000-mapping.dmp

Download
memory/2636-23-0x0000000004C30000-0x0000000004C31000-memory.dmp

Filesize
4KB

Download
memory/4000-5-0x00000000055C0000-0x00000000055C1000-memory.dmp

Filesize
4KB

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

Filesize
6.9MB

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

Filesize
4KB

Download
memory/4000-6-0x0000000005520000-0x000000000553E000-memory.dmp

Filesize
120KB

Download
memory/4000-7-0x0000000005580000-0x0000000005581000-memory.dmp

Filesize
4KB

Download
memory/4000-9-0x00000000057B0000-0x00000000057B1000-memory.dmp

Filesize
4KB

Download
memory/4000-12-0x00000000057B1000-0x00000000057B2000-memory.dmp

Filesize
4KB

Download
memory/4000-8-0x0000000007F20000-0x0000000007F21000-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