snakekeylogger | c99b050645ebbc138018a9dcb4c3029bc1a9aa9376e7541c1011e815942948e1

Resubmissions

01-02-2023 17:02

230201-vj6p3aah39 10

01-02-2023 17:00

230201-vjf5eacg4s 10

01-02-2023 16:57

230201-vgbrxacg2y 10

Analysis

max time kernel
513s
max time network
516s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2023 17:02

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Report Analysis Logs

General

Target

e1cf59372694c7d46d84d0139b40d41b.exe
Size

874KB
MD5

e1cf59372694c7d46d84d0139b40d41b
SHA1

d98fe7072196e71d5cb8388a7f6d62344ab382d9
SHA256

cd8be35dfd9e75a60f5f1aa9b9504823b887533f220617e65244eb9d8a0f8acf
SHA512

d95e2feb5062ab08168b62f0bd491d393aa02994b27aa3830fdc3c7de3f25460e03ea1e87837935e634634c68797689a637e0dea4560e700c1cd974d7f9cfac9
SSDEEP

12288:GWcoiHoylpLYR7aV0Hp615ExN0nmjkYIZsiSbHRry5rWeh3ih9HeA6RYcJbezuyc:GNoizkO0Hp5JyZAbHReBYTf6RBo

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
info@opttools-tw.com
Password:
kV$bSqJ1 daniel

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral26/memory/3936-143-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

e1cf59372694c7d46d84d0139b40d41b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	e1cf59372694c7d46d84d0139b40d41b.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

e1cf59372694c7d46d84d0139b40d41b.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e1cf59372694c7d46d84d0139b40d41b.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e1cf59372694c7d46d84d0139b40d41b.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e1cf59372694c7d46d84d0139b40d41b.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

35 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

e1cf59372694c7d46d84d0139b40d41b.exe

description pid process target process

PID 4460 set thread context of 3936 4460 e1cf59372694c7d46d84d0139b40d41b.exe e1cf59372694c7d46d84d0139b40d41b.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1852 schtasks.exe

flow	ioc
35	checkip.dyndns.org

description	pid	process	target process
PID 4460 set thread context of 3936	4460	e1cf59372694c7d46d84d0139b40d41b.exe	e1cf59372694c7d46d84d0139b40d41b.exe

pid	process
1852	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

e1cf59372694c7d46d84d0139b40d41b.exee1cf59372694c7d46d84d0139b40d41b.exepowershell.exe

pid	process
4460	e1cf59372694c7d46d84d0139b40d41b.exe
4460	e1cf59372694c7d46d84d0139b40d41b.exe
3936	e1cf59372694c7d46d84d0139b40d41b.exe
4536	powershell.exe
4536	powershell.exe
3936	e1cf59372694c7d46d84d0139b40d41b.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

e1cf59372694c7d46d84d0139b40d41b.exee1cf59372694c7d46d84d0139b40d41b.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4460	e1cf59372694c7d46d84d0139b40d41b.exe
Token: SeDebugPrivilege	3936	e1cf59372694c7d46d84d0139b40d41b.exe
Token: SeDebugPrivilege	4536	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

e1cf59372694c7d46d84d0139b40d41b.exe

description	pid	process	target process
PID 4460 wrote to memory of 4536	4460	e1cf59372694c7d46d84d0139b40d41b.exe	powershell.exe
PID 4460 wrote to memory of 4536	4460	e1cf59372694c7d46d84d0139b40d41b.exe	powershell.exe
PID 4460 wrote to memory of 4536	4460	e1cf59372694c7d46d84d0139b40d41b.exe	powershell.exe
PID 4460 wrote to memory of 1852	4460	e1cf59372694c7d46d84d0139b40d41b.exe	schtasks.exe
PID 4460 wrote to memory of 1852	4460	e1cf59372694c7d46d84d0139b40d41b.exe	schtasks.exe
PID 4460 wrote to memory of 1852	4460	e1cf59372694c7d46d84d0139b40d41b.exe	schtasks.exe
PID 4460 wrote to memory of 3936	4460	e1cf59372694c7d46d84d0139b40d41b.exe	e1cf59372694c7d46d84d0139b40d41b.exe
PID 4460 wrote to memory of 3936	4460	e1cf59372694c7d46d84d0139b40d41b.exe	e1cf59372694c7d46d84d0139b40d41b.exe
PID 4460 wrote to memory of 3936	4460	e1cf59372694c7d46d84d0139b40d41b.exe	e1cf59372694c7d46d84d0139b40d41b.exe
PID 4460 wrote to memory of 3936	4460	e1cf59372694c7d46d84d0139b40d41b.exe	e1cf59372694c7d46d84d0139b40d41b.exe
PID 4460 wrote to memory of 3936	4460	e1cf59372694c7d46d84d0139b40d41b.exe	e1cf59372694c7d46d84d0139b40d41b.exe
PID 4460 wrote to memory of 3936	4460	e1cf59372694c7d46d84d0139b40d41b.exe	e1cf59372694c7d46d84d0139b40d41b.exe
PID 4460 wrote to memory of 3936	4460	e1cf59372694c7d46d84d0139b40d41b.exe	e1cf59372694c7d46d84d0139b40d41b.exe
PID 4460 wrote to memory of 3936	4460	e1cf59372694c7d46d84d0139b40d41b.exe	e1cf59372694c7d46d84d0139b40d41b.exe

outlook_office_path 1 IoCs

Processes:

e1cf59372694c7d46d84d0139b40d41b.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e1cf59372694c7d46d84d0139b40d41b.exe

outlook_win_path 1 IoCs

Processes:

e1cf59372694c7d46d84d0139b40d41b.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e1cf59372694c7d46d84d0139b40d41b.exe

C:\Users\Admin\AppData\Local\Temp\e1cf59372694c7d46d84d0139b40d41b.exe
"C:\Users\Admin\AppData\Local\Temp\e1cf59372694c7d46d84d0139b40d41b.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4460

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QdpKtuLDI.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4536

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QdpKtuLDI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF409.tmp"
2⤵
- Creates scheduled task(s)
PID:1852

C:\Users\Admin\AppData\Local\Temp\e1cf59372694c7d46d84d0139b40d41b.exe
"C:\Users\Admin\AppData\Local\Temp\e1cf59372694c7d46d84d0139b40d41b.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3936

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e1cf59372694c7d46d84d0139b40d41b.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF409.tmp
Filesize
1KB

MD5
5c1ccccf169790e0205355a934fa9fae

SHA1
c1bc022b5745ec3a6cccbeb5b7ce079e8f61d21e

SHA256
fca75df18ef209fedc62143a10727556ffc156bc10de2f25b562aa12bd7639fb

SHA512
b6e26b44fa68690e14aee36eb25c9dfd34e4aaad4bd70bf97ade1b710d0ecc9aabef2f809f87bbaba529ead18636d1acada0504af74d632c137dd363928a8c4e

Download Submit
memory/1852-138-0x0000000000000000-mapping.dmp

Download
memory/3936-143-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3936-159-0x00000000065B0000-0x0000000006772000-memory.dmp

Filesize
1.8MB

Download
memory/3936-141-0x0000000000000000-mapping.dmp

Download
memory/4460-133-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/4460-134-0x0000000004D50000-0x0000000004DE2000-memory.dmp

Filesize
584KB

Download
memory/4460-135-0x0000000004D20000-0x0000000004D2A000-memory.dmp

Filesize
40KB

Download
memory/4460-136-0x00000000088A0000-0x000000000893C000-memory.dmp

Filesize
624KB

Download
memory/4460-132-0x0000000000280000-0x0000000000362000-memory.dmp

Filesize
904KB

Download
memory/4536-146-0x0000000004CA0000-0x0000000004D06000-memory.dmp

Filesize
408KB

Download
memory/4536-152-0x0000000007520000-0x0000000007B9A000-memory.dmp

Filesize
6.5MB

Download
memory/4536-145-0x0000000004C00000-0x0000000004C22000-memory.dmp

Filesize
136KB

Download
memory/4536-139-0x0000000004630000-0x0000000004666000-memory.dmp

Filesize
216KB

Download
memory/4536-147-0x0000000005590000-0x00000000055F6000-memory.dmp

Filesize
408KB

Download
memory/4536-148-0x0000000005BC0000-0x0000000005BDE000-memory.dmp

Filesize
120KB

Download
memory/4536-149-0x00000000061A0000-0x00000000061D2000-memory.dmp

Filesize
200KB

Download
memory/4536-150-0x000000006FF10000-0x000000006FF5C000-memory.dmp

Filesize
304KB

Download
memory/4536-151-0x0000000006180000-0x000000000619E000-memory.dmp

Filesize
120KB

Download
memory/4536-142-0x0000000004D20000-0x0000000005348000-memory.dmp

Filesize
6.2MB

Download
memory/4536-153-0x0000000006ED0000-0x0000000006EEA000-memory.dmp

Filesize
104KB

Download
memory/4536-154-0x0000000006F40000-0x0000000006F4A000-memory.dmp

Filesize
40KB

Download
memory/4536-155-0x0000000007150000-0x00000000071E6000-memory.dmp

Filesize
600KB

Download
memory/4536-156-0x0000000007100000-0x000000000710E000-memory.dmp

Filesize
56KB

Download
memory/4536-157-0x0000000007210000-0x000000000722A000-memory.dmp

Filesize
104KB

Download
memory/4536-158-0x00000000071F0000-0x00000000071F8000-memory.dmp

Filesize
32KB

Download
memory/4536-137-0x0000000000000000-mapping.dmp

Download