snakekeylogger | 1546c45496290063818a4e24b240aa8cd88c8023dccb2876706a569a0359be9e

Analysis

max time kernel
135s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-10-2024 14:43

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General

Target

Banktransferreceipt241015.exe
Size

499KB
MD5

a56e9ac0bdfb2994a47cff685f5082a8
SHA1

855fef6a65caf563685f757a11b653a43472e4be
SHA256

1546c45496290063818a4e24b240aa8cd88c8023dccb2876706a569a0359be9e
SHA512

97bb5879e5a1be00eb980a5e51a6caa69fa4e5731e377236c4abf3b9cdaa7a5ef0b3040feb468c219e80ad42b49049f0fb74d3843bf896a4d23a947804a73342
SSDEEP

12288:62UScVclz+IuSqKixs7p2JYQE3Pu98rxG6ortJ6zdhp:6UcVuSpW/3RN

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7952998151:AAFh98iY7kaOlHAR0qftD3ZcqGbQm0TXbBY/sendMessage?chat_id=5692813672

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2204-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger 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
1436	powershell.exe
4544	powershell.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	Banktransferreceipt241015.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	Banktransferreceipt241015.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
26	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5088 set thread context of 2204	5088	Banktransferreceipt241015.exe	104

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 7 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Banktransferreceipt241015.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Banktransferreceipt241015.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
1852	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5088	Banktransferreceipt241015.exe
5088	Banktransferreceipt241015.exe
4544	powershell.exe
4544	powershell.exe
1436	powershell.exe
2204	Banktransferreceipt241015.exe
1436	powershell.exe
4544	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4544	powershell.exe
Token: SeDebugPrivilege	1436	powershell.exe
Token: SeDebugPrivilege	5088	Banktransferreceipt241015.exe
Token: SeDebugPrivilege	2204	Banktransferreceipt241015.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 1436	5088	Banktransferreceipt241015.exe	97
PID 5088 wrote to memory of 1436	5088	Banktransferreceipt241015.exe	97
PID 5088 wrote to memory of 1436	5088	Banktransferreceipt241015.exe	97
PID 5088 wrote to memory of 4544	5088	Banktransferreceipt241015.exe	99
PID 5088 wrote to memory of 4544	5088	Banktransferreceipt241015.exe	99
PID 5088 wrote to memory of 4544	5088	Banktransferreceipt241015.exe	99
PID 5088 wrote to memory of 1852	5088	Banktransferreceipt241015.exe	101
PID 5088 wrote to memory of 1852	5088	Banktransferreceipt241015.exe	101
PID 5088 wrote to memory of 1852	5088	Banktransferreceipt241015.exe	101
PID 5088 wrote to memory of 652	5088	Banktransferreceipt241015.exe	103
PID 5088 wrote to memory of 652	5088	Banktransferreceipt241015.exe	103
PID 5088 wrote to memory of 652	5088	Banktransferreceipt241015.exe	103
PID 5088 wrote to memory of 2204	5088	Banktransferreceipt241015.exe	104
PID 5088 wrote to memory of 2204	5088	Banktransferreceipt241015.exe	104
PID 5088 wrote to memory of 2204	5088	Banktransferreceipt241015.exe	104
PID 5088 wrote to memory of 2204	5088	Banktransferreceipt241015.exe	104
PID 5088 wrote to memory of 2204	5088	Banktransferreceipt241015.exe	104
PID 5088 wrote to memory of 2204	5088	Banktransferreceipt241015.exe	104
PID 5088 wrote to memory of 2204	5088	Banktransferreceipt241015.exe	104
PID 5088 wrote to memory of 2204	5088	Banktransferreceipt241015.exe	104
PID 2204 wrote to memory of 4476	2204	Banktransferreceipt241015.exe	106
PID 2204 wrote to memory of 4476	2204	Banktransferreceipt241015.exe	106
PID 2204 wrote to memory of 4476	2204	Banktransferreceipt241015.exe	106
PID 4476 wrote to memory of 1380	4476	cmd.exe	108
PID 4476 wrote to memory of 1380	4476	cmd.exe	108
PID 4476 wrote to memory of 1380	4476	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.exe
"C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.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:5088
- 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\Banktransferreceipt241015.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1436
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vYxHVdr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4544
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vYxHVdr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp124.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1852
- C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.exe
  "C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.exe"
  2⤵
  PID:652
- C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.exe
  "C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2204
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4476
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:1380

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

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\Banktransferreceipt241015.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uhrfaocm.wg0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp124.tmp

Filesize
1KB

MD5
f79c9135150ada1180b1fbd0b1f20797

SHA1
5ef149eb1d07fe7a677e5b038d44419ae5218415

SHA256
a95017c9eaf59d1f98a7d4b0bd4f2aa5d226dc4443dd41ef5cc53ea4c8617a36

SHA512
92bb588b125c1f97c61b2799959981ca4fbf625826b5de21777c1706b6b51f35dcab72821e64333fba77e83f680c8ca7a9faae4fe4aa0a609aa42668b0a30c4b

Download Submit
memory/1436-67-0x00000000074A0000-0x0000000007536000-memory.dmp

Filesize
600KB

Download
memory/1436-49-0x0000000005F00000-0x0000000005F1E000-memory.dmp

Filesize
120KB

Download
memory/1436-66-0x0000000007290000-0x000000000729A000-memory.dmp

Filesize
40KB

Download
memory/1436-64-0x0000000007860000-0x0000000007EDA000-memory.dmp

Filesize
6.5MB

Download
memory/1436-65-0x0000000007220000-0x000000000723A000-memory.dmp

Filesize
104KB

Download
memory/1436-86-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1436-15-0x00000000025D0000-0x0000000002606000-memory.dmp

Filesize
216KB

Download
memory/1436-16-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1436-18-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1436-17-0x0000000005190000-0x00000000057B8000-memory.dmp

Filesize
6.2MB

Download
memory/1436-20-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1436-83-0x0000000007540000-0x0000000007548000-memory.dmp

Filesize
32KB

Download
memory/1436-52-0x0000000071560000-0x00000000715AC000-memory.dmp

Filesize
304KB

Download
memory/1436-62-0x00000000064B0000-0x00000000064CE000-memory.dmp

Filesize
120KB

Download
memory/1436-63-0x0000000007120000-0x00000000071C3000-memory.dmp

Filesize
652KB

Download
memory/1436-68-0x0000000007420000-0x0000000007431000-memory.dmp

Filesize
68KB

Download
memory/1436-51-0x00000000070E0000-0x0000000007112000-memory.dmp

Filesize
200KB

Download
memory/1436-82-0x0000000007560000-0x000000000757A000-memory.dmp

Filesize
104KB

Download
memory/1436-81-0x0000000007460000-0x0000000007474000-memory.dmp

Filesize
80KB

Download
memory/1436-50-0x0000000006420000-0x000000000646C000-memory.dmp

Filesize
304KB

Download
memory/1436-76-0x0000000007450000-0x000000000745E000-memory.dmp

Filesize
56KB

Download
memory/2204-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4544-70-0x0000000071560000-0x00000000715AC000-memory.dmp

Filesize
304KB

Download
memory/4544-29-0x00000000058D0000-0x0000000005C24000-memory.dmp

Filesize
3.3MB

Download
memory/4544-25-0x0000000004EF0000-0x0000000004F12000-memory.dmp

Filesize
136KB

Download
memory/4544-26-0x0000000005600000-0x0000000005666000-memory.dmp

Filesize
408KB

Download
memory/4544-27-0x0000000005860000-0x00000000058C6000-memory.dmp

Filesize
408KB

Download
memory/4544-23-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4544-22-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4544-21-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4544-90-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/5088-8-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/5088-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/5088-3-0x00000000059E0000-0x0000000005A72000-memory.dmp

Filesize
584KB

Download
memory/5088-6-0x0000000005BC0000-0x0000000005C5C000-memory.dmp

Filesize
624KB

Download
memory/5088-1-0x0000000000F60000-0x0000000000FE4000-memory.dmp

Filesize
528KB

Download
memory/5088-30-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/5088-4-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/5088-5-0x0000000005A80000-0x0000000005A8A000-memory.dmp

Filesize
40KB

Download
memory/5088-10-0x0000000006E90000-0x0000000006EF8000-memory.dmp

Filesize
416KB

Download
memory/5088-2-0x00000000060B0000-0x0000000006654000-memory.dmp

Filesize
5.6MB

Download
memory/5088-9-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/5088-7-0x0000000005B80000-0x0000000005B92000-memory.dmp

Filesize
72KB

Download