snakekeylogger | f4cec6defabe17d2867150709adcb2e901d708a137c74849c58eaff55ea443f7

Analysis

max time kernel
93s
max time network
209s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2025, 01:06

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General

Target

Halkbank Ekstre.exe
Size

636KB
MD5

5ca0edb9c8da5f99b88f6a230a838ff7
SHA1

201063e16865940a4482139c8a22a4f7728a3f7f
SHA256

454cda22d2e5b8dec8f70c430c0c4cfec75b4d29885ef343e84b9a2265363601
SHA512

9e587ddad60decf3e5c4254f786b231fe52fa4e26a399fd657f635525e35abf6a15b4133b1ee61a519bef3896117d357c2c6d6fea5acdd971527d5b450db086f
SSDEEP

12288:+AFtkqjSR80CJK3nnh2Q6Egc5uyNT3XNzVYxk0F:+c8CJY2Q0c5uy9XvYxk

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.puragenicindia.com
Port:
587
Username:
[email protected]
Password:
bobbyj2016@bobbyj2016@

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3984-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2776	powershell.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	Halkbank Ekstre.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
22	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3160 set thread context of 3984	3160	Halkbank Ekstre.exe	100

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4152	3984	WerFault.exe	100

System Location Discovery: System Language Discovery 1 TTPs 3 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	Halkbank Ekstre.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Halkbank Ekstre.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3160	Halkbank Ekstre.exe
3160	Halkbank Ekstre.exe
3160	Halkbank Ekstre.exe
3160	Halkbank Ekstre.exe
3984	Halkbank Ekstre.exe
2776	powershell.exe
2776	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3160	Halkbank Ekstre.exe
Token: SeDebugPrivilege	3984	Halkbank Ekstre.exe
Token: SeDebugPrivilege	2776	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 2776	3160	Halkbank Ekstre.exe	96
PID 3160 wrote to memory of 2776	3160	Halkbank Ekstre.exe	96
PID 3160 wrote to memory of 2776	3160	Halkbank Ekstre.exe	96
PID 3160 wrote to memory of 4704	3160	Halkbank Ekstre.exe	98
PID 3160 wrote to memory of 4704	3160	Halkbank Ekstre.exe	98
PID 3160 wrote to memory of 4704	3160	Halkbank Ekstre.exe	98
PID 3160 wrote to memory of 3920	3160	Halkbank Ekstre.exe	99
PID 3160 wrote to memory of 3920	3160	Halkbank Ekstre.exe	99
PID 3160 wrote to memory of 3920	3160	Halkbank Ekstre.exe	99
PID 3160 wrote to memory of 3984	3160	Halkbank Ekstre.exe	100
PID 3160 wrote to memory of 3984	3160	Halkbank Ekstre.exe	100
PID 3160 wrote to memory of 3984	3160	Halkbank Ekstre.exe	100
PID 3160 wrote to memory of 3984	3160	Halkbank Ekstre.exe	100
PID 3160 wrote to memory of 3984	3160	Halkbank Ekstre.exe	100
PID 3160 wrote to memory of 3984	3160	Halkbank Ekstre.exe	100
PID 3160 wrote to memory of 3984	3160	Halkbank Ekstre.exe	100
PID 3160 wrote to memory of 3984	3160	Halkbank Ekstre.exe	100

C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstre.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstre.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3160
- 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\Halkbank Ekstre.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2776
- C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstre.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstre.exe"
  2⤵
  PID:4704
- C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstre.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstre.exe"
  2⤵
  PID:3920
- C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstre.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstre.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 1488
    3⤵
    - Program crash
    PID:4152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3984 -ip 3984
1⤵
PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Halkbank Ekstre.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u4h0u3de.am0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2776-48-0x0000000007510000-0x000000000752E000-memory.dmp

Filesize
120KB

Download
memory/2776-16-0x0000000004F90000-0x0000000004FC6000-memory.dmp

Filesize
216KB

Download
memory/2776-61-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/2776-58-0x0000000007B90000-0x0000000007B98000-memory.dmp

Filesize
32KB

Download
memory/2776-57-0x0000000007BB0000-0x0000000007BCA000-memory.dmp

Filesize
104KB

Download
memory/2776-56-0x0000000007AB0000-0x0000000007AC4000-memory.dmp

Filesize
80KB

Download
memory/2776-55-0x0000000007AA0000-0x0000000007AAE000-memory.dmp

Filesize
56KB

Download
memory/2776-54-0x0000000007A70000-0x0000000007A81000-memory.dmp

Filesize
68KB

Download
memory/2776-53-0x0000000007AF0000-0x0000000007B86000-memory.dmp

Filesize
600KB

Download
memory/2776-52-0x00000000078E0000-0x00000000078EA000-memory.dmp

Filesize
40KB

Download
memory/2776-51-0x0000000007870000-0x000000000788A000-memory.dmp

Filesize
104KB

Download
memory/2776-34-0x0000000005F90000-0x00000000062E4000-memory.dmp

Filesize
3.3MB

Download
memory/2776-50-0x0000000007EB0000-0x000000000852A000-memory.dmp

Filesize
6.5MB

Download
memory/2776-36-0x0000000006600000-0x000000000664C000-memory.dmp

Filesize
304KB

Download
memory/2776-17-0x0000000005780000-0x0000000005DA8000-memory.dmp

Filesize
6.2MB

Download
memory/2776-19-0x0000000005580000-0x00000000055A2000-memory.dmp

Filesize
136KB

Download
memory/2776-21-0x0000000005E20000-0x0000000005E86000-memory.dmp

Filesize
408KB

Download
memory/2776-22-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/2776-23-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/2776-20-0x0000000005DB0000-0x0000000005E16000-memory.dmp

Filesize
408KB

Download
memory/2776-49-0x0000000007530000-0x00000000075D3000-memory.dmp

Filesize
652KB

Download
memory/2776-38-0x00000000700D0000-0x000000007011C000-memory.dmp

Filesize
304KB

Download
memory/2776-37-0x00000000074D0000-0x0000000007502000-memory.dmp

Filesize
200KB

Download
memory/2776-18-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/2776-35-0x0000000006540000-0x000000000655E000-memory.dmp

Filesize
120KB

Download
memory/3160-15-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3160-8-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/3160-4-0x0000000005340000-0x000000000534A000-memory.dmp

Filesize
40KB

Download
memory/3160-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/3160-3-0x00000000052A0000-0x0000000005332000-memory.dmp

Filesize
584KB

Download
memory/3160-5-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3160-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

Filesize
5.6MB

Download
memory/3160-6-0x00000000055E0000-0x000000000567C000-memory.dmp

Filesize
624KB

Download
memory/3160-10-0x0000000004CF0000-0x0000000004D5C000-memory.dmp

Filesize
432KB

Download
memory/3160-9-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3160-1-0x00000000007F0000-0x0000000000896000-memory.dmp

Filesize
664KB

Download
memory/3160-7-0x00000000057F0000-0x000000000580E000-memory.dmp

Filesize
120KB

Download
memory/3984-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3984-14-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3984-62-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3984-33-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download