snakekeylogger | 7cfa2679df6bf8e6bfbdecf66e8f94b4ead43ea1eff4db042cc3300e2acfec2f

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-10-2024 11:25

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General

Target

HESAP DETAYLARI.pdf.exe
Size

598KB
MD5

b040e5d5e8022359da5c465ad3e2dcf1
SHA1

f6f7f65784a00c22c478ef578c7b47c716997a60
SHA256

38e3fa1e0a5550df5117b64b4971d6d7ce187519d26e5d87abe7b8f949de3f10
SHA512

86d700f48a88153ce075688c671667be905f5f0343e8b7b95c56d8292fb7536e1c1cb36788650dfca174489ccd7ce3f5a2d5cdd67b3cb093f6d5bb69447a41cf
SSDEEP

12288:Ncir1S2IoOAc6/5rZGmy45nZZno/59/qVcVApPstz2ug/K7bNcKTwwxp6H2dOWqp:JnZ9oqcapEtz2Z/K7b+awwa2db0

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/288-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/288-27-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/288-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/288-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/288-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2240	powershell.exe
2908	powershell.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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HESAP DETAYLARI.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HESAP DETAYLARI.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HESAP DETAYLARI.pdf.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.

flow	ioc
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 288	2696	HESAP DETAYLARI.pdf.exe	39

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HESAP DETAYLARI.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HESAP DETAYLARI.pdf.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2696	HESAP DETAYLARI.pdf.exe
2696	HESAP DETAYLARI.pdf.exe
2696	HESAP DETAYLARI.pdf.exe
2696	HESAP DETAYLARI.pdf.exe
2696	HESAP DETAYLARI.pdf.exe
2696	HESAP DETAYLARI.pdf.exe
288	HESAP DETAYLARI.pdf.exe
2240	powershell.exe
2908	powershell.exe
288	HESAP DETAYLARI.pdf.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	HESAP DETAYLARI.pdf.exe
Token: SeDebugPrivilege	2240	powershell.exe
Token: SeDebugPrivilege	2908	powershell.exe
Token: SeDebugPrivilege	288	HESAP DETAYLARI.pdf.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2240	2696	HESAP DETAYLARI.pdf.exe	31
PID 2696 wrote to memory of 2240	2696	HESAP DETAYLARI.pdf.exe	31
PID 2696 wrote to memory of 2240	2696	HESAP DETAYLARI.pdf.exe	31
PID 2696 wrote to memory of 2240	2696	HESAP DETAYLARI.pdf.exe	31
PID 2696 wrote to memory of 2908	2696	HESAP DETAYLARI.pdf.exe	33
PID 2696 wrote to memory of 2908	2696	HESAP DETAYLARI.pdf.exe	33
PID 2696 wrote to memory of 2908	2696	HESAP DETAYLARI.pdf.exe	33
PID 2696 wrote to memory of 2908	2696	HESAP DETAYLARI.pdf.exe	33
PID 2696 wrote to memory of 2772	2696	HESAP DETAYLARI.pdf.exe	34
PID 2696 wrote to memory of 2772	2696	HESAP DETAYLARI.pdf.exe	34
PID 2696 wrote to memory of 2772	2696	HESAP DETAYLARI.pdf.exe	34
PID 2696 wrote to memory of 2772	2696	HESAP DETAYLARI.pdf.exe	34
PID 2696 wrote to memory of 2664	2696	HESAP DETAYLARI.pdf.exe	37
PID 2696 wrote to memory of 2664	2696	HESAP DETAYLARI.pdf.exe	37
PID 2696 wrote to memory of 2664	2696	HESAP DETAYLARI.pdf.exe	37
PID 2696 wrote to memory of 2664	2696	HESAP DETAYLARI.pdf.exe	37
PID 2696 wrote to memory of 2672	2696	HESAP DETAYLARI.pdf.exe	38
PID 2696 wrote to memory of 2672	2696	HESAP DETAYLARI.pdf.exe	38
PID 2696 wrote to memory of 2672	2696	HESAP DETAYLARI.pdf.exe	38
PID 2696 wrote to memory of 2672	2696	HESAP DETAYLARI.pdf.exe	38
PID 2696 wrote to memory of 288	2696	HESAP DETAYLARI.pdf.exe	39
PID 2696 wrote to memory of 288	2696	HESAP DETAYLARI.pdf.exe	39
PID 2696 wrote to memory of 288	2696	HESAP DETAYLARI.pdf.exe	39
PID 2696 wrote to memory of 288	2696	HESAP DETAYLARI.pdf.exe	39
PID 2696 wrote to memory of 288	2696	HESAP DETAYLARI.pdf.exe	39
PID 2696 wrote to memory of 288	2696	HESAP DETAYLARI.pdf.exe	39
PID 2696 wrote to memory of 288	2696	HESAP DETAYLARI.pdf.exe	39
PID 2696 wrote to memory of 288	2696	HESAP DETAYLARI.pdf.exe	39
PID 2696 wrote to memory of 288	2696	HESAP DETAYLARI.pdf.exe	39

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HESAP DETAYLARI.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HESAP DETAYLARI.pdf.exe

C:\Users\Admin\AppData\Local\Temp\HESAP DETAYLARI.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\HESAP DETAYLARI.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\HESAP DETAYLARI.pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2240
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WiEGDhYdY.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2908
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WiEGDhYdY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFDA0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2772
- C:\Users\Admin\AppData\Local\Temp\HESAP DETAYLARI.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\HESAP DETAYLARI.pdf.exe"
  2⤵
  PID:2664
- C:\Users\Admin\AppData\Local\Temp\HESAP DETAYLARI.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\HESAP DETAYLARI.pdf.exe"
  2⤵
  PID:2672
- C:\Users\Admin\AppData\Local\Temp\HESAP DETAYLARI.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\HESAP DETAYLARI.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFDA0.tmp

Filesize
1KB

MD5
e54265dbbdb9d824316f07c5484e06e1

SHA1
a98bbb1568ae31864b7662388aaa2c25a83b0c3f

SHA256
6aa155e1cd002354565e7298cb4a6dc62b476ae0d663628177ca9f83040d2b7a

SHA512
e2d57f3ccfa00d2ac32b1721d0cd734e6cabee2e52e29d05c6f082252ad5af716f47d77f1f6fa5c56ae5161ea48a8ef7fa5f584bcb9d848d6da45496106b3d57

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
c338a518d75a00ba4c7f963a3a97b3dd

SHA1
095d2f2ce4c9033d47c8feab01e47abea4eaf080

SHA256
ed0ca564de9dffb5e2b7638d078967dbf810426162399d56489777d811f2e8d1

SHA512
10b26e479a2d7e738b7fd395e60baa587442f19ed8b03ee85b1a87c9c586cdffcb699dcbc4f851339efd7ab87e5bd65a24f0c87569bfc5175bd34621481272f7

Download Submit
memory/288-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/288-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/288-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/288-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/288-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/288-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/288-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/288-27-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2696-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-1-0x0000000000050000-0x00000000000EC000-memory.dmp

Filesize
624KB

Download
memory/2696-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2696-3-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-5-0x00000000020A0000-0x0000000002108000-memory.dmp

Filesize
416KB

Download
memory/2696-4-0x0000000000660000-0x0000000000672000-memory.dmp

Filesize
72KB

Download
memory/2696-31-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download