41a5da23d4c1efd9d8f520d859665249fe57825768d368449a40eda1d075ff15

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2023, 18:04

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General

Target

ff22595080e057exe_JC.exe
Size

41KB
MD5

ff22595080e05766d7921a31c64c182e
SHA1

7d8611882f4e3395b21014c91050c4d36dcd65f4
SHA256

41a5da23d4c1efd9d8f520d859665249fe57825768d368449a40eda1d075ff15
SHA512

4dd4a2e59bb504168a81e98bd5a16ab35c089a88471e51ff7f5928d1904eace048dd48323851a85224253f8d13b3ff24414f18fac3ace74dfbeeba234bde7786
SSDEEP

768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5aFr7YOzzOSIB:qUmnpomddpMOtEvwDpjjaYaFACIB

Score

7^/10

upx

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-1-5-21-618519468-4027732583-1827558364-1000\Control Panel\International\Geo\Nation	ff22595080e057exe_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
2800	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4732-133-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x00070000000231f8-146.dat	upx
behavioral2/files/0x00070000000231f8-148.dat	upx
behavioral2/files/0x00070000000231f8-149.dat	upx
behavioral2/memory/4732-150-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/2800-159-0x0000000000500000-0x000000000050F000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4732 wrote to memory of 2800	4732	ff22595080e057exe_JC.exe	86
PID 4732 wrote to memory of 2800	4732	ff22595080e057exe_JC.exe	86
PID 4732 wrote to memory of 2800	4732	ff22595080e057exe_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\ff22595080e057exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\ff22595080e057exe_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4732
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2800

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\asih.exe

Filesize
42KB

MD5
e8a99cf00ecbbb692af625100bc1a3c5

SHA1
ca111fd9e25585096128ffd1cade3f845e3789d3

SHA256
a8fd1183dd051d7a510f92f558ef549fca15be8e2ff71d2ad6f252b8eeb8f961

SHA512
57a85a599ceb9d86b940be60c67c0cb270a8f9c1abdbb575e711798b9817f0c18f3ae72c44e8c7e1fa4ca9d7e0c271f5ca0cee4c01c868a36b3fa1e2568cfad6

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

Filesize
42KB

MD5
e8a99cf00ecbbb692af625100bc1a3c5

SHA1
ca111fd9e25585096128ffd1cade3f845e3789d3

SHA256
a8fd1183dd051d7a510f92f558ef549fca15be8e2ff71d2ad6f252b8eeb8f961

SHA512
57a85a599ceb9d86b940be60c67c0cb270a8f9c1abdbb575e711798b9817f0c18f3ae72c44e8c7e1fa4ca9d7e0c271f5ca0cee4c01c868a36b3fa1e2568cfad6

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

Filesize
42KB

MD5
e8a99cf00ecbbb692af625100bc1a3c5

SHA1
ca111fd9e25585096128ffd1cade3f845e3789d3

SHA256
a8fd1183dd051d7a510f92f558ef549fca15be8e2ff71d2ad6f252b8eeb8f961

SHA512
57a85a599ceb9d86b940be60c67c0cb270a8f9c1abdbb575e711798b9817f0c18f3ae72c44e8c7e1fa4ca9d7e0c271f5ca0cee4c01c868a36b3fa1e2568cfad6

Download Submit
memory/2800-152-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/2800-153-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2800-159-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4732-133-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4732-134-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/4732-135-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/4732-136-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/4732-150-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download