10d9739a98aff94460c59fc66b3d8d296933e03e6d98aab537d3d69c05d50088

Analysis

max time kernel
72s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
18/09/2022, 23:45

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General

Target

10d9739a98aff94460c59fc66b3d8d296933e03e6d98aab537d3d69c05d50088.exe
Size

521KB
MD5

b59017e1b2c478b22c7079e2881ce4a4
SHA1

5443180e24ed328182a435f95a919d2f4b8fcc24
SHA256

10d9739a98aff94460c59fc66b3d8d296933e03e6d98aab537d3d69c05d50088
SHA512

0e8333a43dfe346c4b5898dc9ae5b054b160b264e3fd8338cc010dd337549610ef9207d732d33177ca406420ecbae4b88bcf4dc47687721f6044516c59492559
SSDEEP

12288:tKFbvjITRVN6B5SFuf2es2TX1EDFzzvhE+XSIVmPI2cL:tPRD+Uz5E/Yn7

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5068	meh.exe
4388	vbc.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4388-141-0x0000000000400000-0x0000000000459000-memory.dmp	upx
behavioral2/memory/4388-144-0x0000000000400000-0x0000000000459000-memory.dmp	upx
behavioral2/memory/4388-148-0x0000000000400000-0x0000000000459000-memory.dmp	upx
behavioral2/memory/4388-149-0x0000000000400000-0x0000000000459000-memory.dmp	upx

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	10d9739a98aff94460c59fc66b3d8d296933e03e6d98aab537d3d69c05d50088.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5068 set thread context of 4388	5068	meh.exe	84

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4388	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 5068	2380	10d9739a98aff94460c59fc66b3d8d296933e03e6d98aab537d3d69c05d50088.exe	83
PID 2380 wrote to memory of 5068	2380	10d9739a98aff94460c59fc66b3d8d296933e03e6d98aab537d3d69c05d50088.exe	83
PID 2380 wrote to memory of 5068	2380	10d9739a98aff94460c59fc66b3d8d296933e03e6d98aab537d3d69c05d50088.exe	83
PID 5068 wrote to memory of 4388	5068	meh.exe	84
PID 5068 wrote to memory of 4388	5068	meh.exe	84
PID 5068 wrote to memory of 4388	5068	meh.exe	84
PID 5068 wrote to memory of 4388	5068	meh.exe	84
PID 5068 wrote to memory of 4388	5068	meh.exe	84
PID 5068 wrote to memory of 4388	5068	meh.exe	84
PID 5068 wrote to memory of 4388	5068	meh.exe	84
PID 5068 wrote to memory of 4388	5068	meh.exe	84
PID 5068 wrote to memory of 4388	5068	meh.exe	84
PID 5068 wrote to memory of 4388	5068	meh.exe	84

C:\Users\Admin\AppData\Local\Temp\10d9739a98aff94460c59fc66b3d8d296933e03e6d98aab537d3d69c05d50088.exe
"C:\Users\Admin\AppData\Local\Temp\10d9739a98aff94460c59fc66b3d8d296933e03e6d98aab537d3d69c05d50088.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\meh.exe
  "C:\Users\Admin\AppData\Local\Temp\meh.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:5068
- - C:\Users\Admin\AppData\Local\Temp\vbc.exe
    C:\Users\Admin\AppData\Local\Temp\vbc.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:4388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

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\meh.exe

Filesize
216KB

MD5
fe40685e334fb812696f4bc50735e11f

SHA1
4ea50ab2fd1e7dcebc7c741503ab03d4e1c77173

SHA256
a5e147de4abfc324fad4000d958f8ca848251339be66228303fe45852c4cd2d7

SHA512
b4b0fb9b6a86d44b890d25a2e93bad3204c61169d59a05e1c016f80c3255775712fac7e479fc2c534a2b52b07fb3eb9ff20e50beff8847f3181a6e7ceb9c6d1c

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

Filesize
216KB

MD5
fe40685e334fb812696f4bc50735e11f

SHA1
4ea50ab2fd1e7dcebc7c741503ab03d4e1c77173

SHA256
a5e147de4abfc324fad4000d958f8ca848251339be66228303fe45852c4cd2d7

SHA512
b4b0fb9b6a86d44b890d25a2e93bad3204c61169d59a05e1c016f80c3255775712fac7e479fc2c534a2b52b07fb3eb9ff20e50beff8847f3181a6e7ceb9c6d1c

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

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/2380-135-0x00007FFB3BBF0000-0x00007FFB3C626000-memory.dmp

Filesize
10.2MB

Download
memory/4388-141-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4388-144-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4388-148-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4388-149-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/5068-139-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

Download
memory/5068-146-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

Download