7ec3a4a7872f40773186d53eeba2352c498ee3178104359638abb3a4c7578800

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 10:09

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General

Target

1631fd1307d62dffa2fc5c238f5630c8.exe
Size

250KB
MD5

1631fd1307d62dffa2fc5c238f5630c8
SHA1

47566b36258b6ad7e08b5c8cfb7cd9eeb4b063e1
SHA256

7ec3a4a7872f40773186d53eeba2352c498ee3178104359638abb3a4c7578800
SHA512

e6f2341d2fd34ace68bc64a91c7b96bd8cf482bd1f4faee2904a90ed70927d3eb8d286b70b52fd99bf19ce71613fd56102df94338d57f9af247e501556713489
SSDEEP

6144:wciEde2K/IyHwihFp7non6Y/PUaKwtapzVmS5nJfcQ/4hz9Vm6Reqhj7D:bF/K/IyHpb4m3UQWz9Vvn

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 3 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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	1631fd1307d62dffa2fc5c238f5630c8.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	sfx.exe

Executes dropped EXE 2 IoCs

pid	Process
4888	sfx.exe
3160	input.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000_Classes\Local Settings	1631fd1307d62dffa2fc5c238f5630c8.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 3924	220	1631fd1307d62dffa2fc5c238f5630c8.exe	29
PID 220 wrote to memory of 3924	220	1631fd1307d62dffa2fc5c238f5630c8.exe	29
PID 220 wrote to memory of 3924	220	1631fd1307d62dffa2fc5c238f5630c8.exe	29
PID 3924 wrote to memory of 4888	3924	WScript.exe	33
PID 3924 wrote to memory of 4888	3924	WScript.exe	33
PID 3924 wrote to memory of 4888	3924	WScript.exe	33
PID 4888 wrote to memory of 3160	4888	sfx.exe	42
PID 4888 wrote to memory of 3160	4888	sfx.exe	42
PID 4888 wrote to memory of 3160	4888	sfx.exe	42

C:\Users\Admin\AppData\Local\Temp\1631fd1307d62dffa2fc5c238f5630c8.exe
"C:\Users\Admin\AppData\Local\Temp\1631fd1307d62dffa2fc5c238f5630c8.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\stub.vbs"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3924
- - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\sfx.exe
    "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\sfx.exe" -p456jh34k5h6bj4563j456j3456jjj45jjj
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4888
  - - C:\Users\Admin\AppData\Local\Temp\RarSFX0\input.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\input.exe"
      4⤵
      Executes dropped EXE
      PID:3160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\sfx.exe

Filesize
209KB

MD5
e426a3ed568d303211945f0d005346a0

SHA1
86271a7e27e291260687291a12b3756e702835b0

SHA256
23600ab6542b70ea5aab1b367f5793832a9ac7bc5e3477f7e20a0cb70644d21f

SHA512
a9568edef1f0b46f34903d56ecb494001ecb7138279314fecd639ad109379f019a0a59b0b18657e315a4f6c07509dda80827bc445bc44b4150a541822e86cf1e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\stub.vbs

Filesize
132B

MD5
826c3dfb5d027b8a9c9ddbd74216f9b4

SHA1
c0a1efd6d81b81dbf21c33464edc885e54404226

SHA256
7ac2d95d5b2d56142c35b51690f50d211af96797795d00ba2fd7d65bc12a71b2

SHA512
f66f948c519c956aaf57a53cad09247af267fa644fae500567380acb7f438abacd70cc9dc8c340b972aca0e56d48bc67134ff9118e3463e84ea2859334d6ae67

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\input.exe

Filesize
212KB

MD5
851b984fbd8967a644ef367087a6328d

SHA1
dcaf74e9bceac1bb1e3d9959907093f06e17fdbf

SHA256
99ba4621d0286e835238810bcd80055fa72f189db3459c072f4a23d5a0b135ff

SHA512
6fc2b1ec9c3805d6cabf665122c7a704086ac467a02c1fa6f7741e3e1a31b8fbb44ac85a4835a5a3c6c022ae83c05a92545141886f05bbfbdf441448b8b58f9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\input.exe

Filesize
167KB

MD5
6014f25fc51659e4e0eaf60f9fd84351

SHA1
1681f8a2582cb43c2560471f8b09717435ff98cd

SHA256
250dd434fe7aba4faee13d06fdb68b268d7f42a8c3b3b5333dede2324cbc0668

SHA512
9fe62a72d626c78c98f766433d19300d3d01afb1500c85e68b531d3a30a7b379aee2aef14e533f6eef5e00db8c9ef9ef78b2cab89561cd5f8d1d1d4f8e43fb53

Download Submit