c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6

Analysis

max time kernel
140s
max time network
185s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 15:32

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General

Target

c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe
Size

99KB
MD5

c6065683ac691c46ed6f2b2c99b5426a
SHA1

b71c177ceddf0be7b3a2acc3366a186e3c7ef294
SHA256

c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6
SHA512

3c0e45656bc4121e27afd7a618fb5ec36c6c57e2a6b89ea3f5dfaa7490683262004a6e85501b989a6d830074e943b84c2341f6f32f624ac4ae9341e8e8fe0557
SSDEEP

3072:q2hzgKSXgsmyL9egmSKSmeI3uFZS6p051Fwn:q40Kogsmy5Vweo+051FW

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5112-132-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/5112-134-0x0000000000400000-0x000000000041C000-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	c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe

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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 2024	5112	c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe	79
PID 5112 wrote to memory of 2024	5112	c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe	79
PID 5112 wrote to memory of 2024	5112	c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe	79

C:\Users\Admin\AppData\Local\Temp\c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe
"C:\Users\Admin\AppData\Local\Temp\c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\a..bat" > nul 2> nul
  2⤵
  PID:2024

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:\Users\Admin\AppData\Local\Temp\a..bat

Filesize
274B

MD5
22bc76e37a400abf7ac5b08d5c50e44e

SHA1
39a36b8838b483103afdff8a909e387dfe690ff1

SHA256
c35248a38898d3654ea04d8cd17dac938aed2f64853ba9dd900a1bf5975dfcb0

SHA512
ac69d6f56d86230ae10cc620d88faa920dbe38d641f9d840830fed7eb0c5913d7c70cb9213ee43c8f1a579223608ea3439e43e4eb22162323b67a892bcbbff78

Download Submit
memory/5112-132-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/5112-134-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download