b856998b315d7e174f9862a81c346f24baeddf39dc15f4cef0cc9c388ba99da4

Analysis

max time kernel
174s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 05:20

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General

Target

b856998b315d7e174f9862a81c346f24baeddf39dc15f4cef0cc9c388ba99da4.exe
Size

53KB
MD5

27a1b412ff38e97904140a9ca2ff3ad6
SHA1

1fa9628adaa4371b334a19a04684930425587b05
SHA256

b856998b315d7e174f9862a81c346f24baeddf39dc15f4cef0cc9c388ba99da4
SHA512

e46828a9d7836520a7bb80dcc8f84be3e0a73b55a823fbb03a753ad5c3564a41307497d79382369a78a33320b54267baa601c221c6ea97f310dd21e751ba7f0c
SSDEEP

768:uJChTypVTFylNCQKowZS4E6SynTruH712N3b4wFBOV1mJt6oRZPJW2q5Q/2wRv:uAhTyTTFQNC13U4rtnDb4tmJ8AJq4t

Score

7^/10

Malware Config

Signatures

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	b856998b315d7e174f9862a81c346f24baeddf39dc15f4cef0cc9c388ba99da4.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	b856998b315d7e174f9862a81c346f24baeddf39dc15f4cef0cc9c388ba99da4.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 5076	4856	b856998b315d7e174f9862a81c346f24baeddf39dc15f4cef0cc9c388ba99da4.exe	81
PID 4856 wrote to memory of 5076	4856	b856998b315d7e174f9862a81c346f24baeddf39dc15f4cef0cc9c388ba99da4.exe	81
PID 4856 wrote to memory of 5076	4856	b856998b315d7e174f9862a81c346f24baeddf39dc15f4cef0cc9c388ba99da4.exe	81
PID 4856 wrote to memory of 4644	4856	b856998b315d7e174f9862a81c346f24baeddf39dc15f4cef0cc9c388ba99da4.exe	82
PID 4856 wrote to memory of 4644	4856	b856998b315d7e174f9862a81c346f24baeddf39dc15f4cef0cc9c388ba99da4.exe	82
PID 4856 wrote to memory of 4644	4856	b856998b315d7e174f9862a81c346f24baeddf39dc15f4cef0cc9c388ba99da4.exe	82

C:\Users\Admin\AppData\Local\Temp\b856998b315d7e174f9862a81c346f24baeddf39dc15f4cef0cc9c388ba99da4.exe
"C:\Users\Admin\AppData\Local\Temp\b856998b315d7e174f9862a81c346f24baeddf39dc15f4cef0cc9c388ba99da4.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"
  2⤵
  PID:5076
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\1.vbs"
  2⤵
  PID:4644

Network

MITRE ATT&CK Enterprise v6

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:\newsetup.vbs

Filesize
651B

MD5
4736e7158c27f244482f5a614b9dbdae

SHA1
d3a0e95a81e9e3ec95cfd596b25749a0e24e27b9

SHA256
b8229bc8d6b0013858fb9599cb510afa4566a439164b2c7444c449540a124acc

SHA512
cebf895dd3ec3822c42b78bac49c685b063cb5afcbcfb3850b073cb118d086c5fa75ec50b6e73d90e14f2c6b595752ad87910b8cf27378424d72a9ea309bf824

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