2339101fc9e41bba3b329327302865ba7b06717fe6777a349000ca44e71cc308

General

Target

2339101fc9e41bba3b329327302865ba7b06717fe6777a349000ca44e71cc308.exe
Size

428KB
MD5

0e7c57c98f963b888927e99351c50e22
SHA1

5696643354c9a8b9e0660907e57de2174b438a78
SHA256

2339101fc9e41bba3b329327302865ba7b06717fe6777a349000ca44e71cc308
SHA512

61ae555e70118a6e0df2a6a53aa3ff0dc1239c9dc351fac60639b0aefb5a4cbb1c5c39324a9005541d2ad980790653e635218b8f4f3d820c38da5850dadf264b
SSDEEP

12288:btobsXUvSIdFvBQm2ZpO6+FWws+9Xnns44UKa6rP9+n:btPkvZt2ZF+HJns41YlM

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4776	installer.exe
2312	north.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	installer.exe

Loads dropped DLL 1 IoCs

pid	Process
2024	2339101fc9e41bba3b329327302865ba7b06717fe6777a349000ca44e71cc308.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	installer.exe
File created	C:\Windows\assembly\Desktop.ini	installer.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	installer.exe
File created	C:\Windows\assembly\Desktop.ini	installer.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	installer.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2312	north.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2312	north.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2312	north.exe
2312	north.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 4776	2024	2339101fc9e41bba3b329327302865ba7b06717fe6777a349000ca44e71cc308.exe	81
PID 2024 wrote to memory of 4776	2024	2339101fc9e41bba3b329327302865ba7b06717fe6777a349000ca44e71cc308.exe	81
PID 4776 wrote to memory of 2312	4776	installer.exe	85
PID 4776 wrote to memory of 2312	4776	installer.exe	85
PID 4776 wrote to memory of 2312	4776	installer.exe	85

C:\Users\Admin\AppData\Local\Temp\2339101fc9e41bba3b329327302865ba7b06717fe6777a349000ca44e71cc308.exe
"C:\Users\Admin\AppData\Local\Temp\2339101fc9e41bba3b329327302865ba7b06717fe6777a349000ca44e71cc308.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Users\Admin\AppData\Local\Temp\nsv801.tmp\installer.exe
  C:\Users\Admin\AppData\Local\Temp\nsv801.tmp\installer.exe north.exe /dT132580144S /e6132354 /u50ae11c5-fa08-4f10-be2a-04b05bc06f2f
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:4776
- - C:\Users\Admin\AppData\Local\Temp\nsv801.tmp\north.exe
    "C:\Users\Admin\AppData\Local\Temp\nsv801.tmp\north.exe" /dT132580144S /e6132354 /u50ae11c5-fa08-4f10-be2a-04b05bc06f2f
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2312

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsv801.tmp\installer.exe

Filesize
175KB

MD5
c56f474df7c7234370c88cef5e334752

SHA1
ff7e59e76a0bbdef4243232786c0d86e9fbb22dd

SHA256
2e2e482bbf7a109f2d7cc37a9657715ef133900c4af3b6e90da2842ad12d869d

SHA512
79a56ef595b37009382e83fdb512ee9f57e13384060238d809f7d9564f85a2a3d5fd05d75a8de6c3851fe7ba80b7bd5936af4a345bc278cd42fa959f4ed52d6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsv801.tmp\installer.exe

Filesize
175KB

MD5
c56f474df7c7234370c88cef5e334752

SHA1
ff7e59e76a0bbdef4243232786c0d86e9fbb22dd

SHA256
2e2e482bbf7a109f2d7cc37a9657715ef133900c4af3b6e90da2842ad12d869d

SHA512
79a56ef595b37009382e83fdb512ee9f57e13384060238d809f7d9564f85a2a3d5fd05d75a8de6c3851fe7ba80b7bd5936af4a345bc278cd42fa959f4ed52d6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsv801.tmp\north.exe

Filesize
253KB

MD5
990774201cab9f23e9b2a4dbfd7b322d

SHA1
a77b83a8a3b9efcc38e8b3d1c42e681c1450470c

SHA256
68da632d702639815cc5875aefd103304c528df93bd8e197e7d6335787d131ae

SHA512
1d15af0b2a44b23319ffe35164b285868a32cd7b2e5810bf97902d5f91891eaf6f8f6e182d0ca9e6090a670f768567a3f667a95451d93e9881734f0c8b2ebde5

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsv801.tmp\north.exe

Filesize
253KB

MD5
990774201cab9f23e9b2a4dbfd7b322d

SHA1
a77b83a8a3b9efcc38e8b3d1c42e681c1450470c

SHA256
68da632d702639815cc5875aefd103304c528df93bd8e197e7d6335787d131ae

SHA512
1d15af0b2a44b23319ffe35164b285868a32cd7b2e5810bf97902d5f91891eaf6f8f6e182d0ca9e6090a670f768567a3f667a95451d93e9881734f0c8b2ebde5

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsv801.tmp\nsExec.dll

Filesize
8KB

MD5
249ae678f0dac4c625c6de6aca53823a

SHA1
6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

SHA256
7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

SHA512
66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

Download Submit
memory/2312-140-0x0000000073EC0000-0x0000000074471000-memory.dmp

Filesize
5.7MB

Download
memory/2312-141-0x0000000073EC0000-0x0000000074471000-memory.dmp

Filesize
5.7MB

Download
memory/4776-136-0x00007FF86EAF0000-0x00007FF86F526000-memory.dmp

Filesize
10.2MB

Download

Analysis

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