a6543d40e121be61ebce6f9d8f0aef0928dd306f4c765b832e927e2a4c675581

Analysis

max time kernel
149s
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
16-07-2023 09:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

622a976d6b9614_JC.exe
Size

79KB
MD5

622a976d6b9614ecd000fad7a8552180
SHA1

e8dab009c25e5c4063f329842856ba24b55b3c0f
SHA256

a6543d40e121be61ebce6f9d8f0aef0928dd306f4c765b832e927e2a4c675581
SHA512

03df889044d881209df2830fc1f70861f2ad0514fd2f832193e3e1127f87f668575fed95540e2e23263eb452f145380b1e23f9dd7d71f3a9f976afcdc0d800ee
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalDSnUA:1nK6a+qdOOtEvwDpjD

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-1-5-21-1043950675-1972537973-2972532878-1000\Control Panel\International\Geo\Nation	622a976d6b9614_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4452	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3620-133-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral2/files/0x0008000000023224-146.dat	upx
behavioral2/files/0x0008000000023224-148.dat	upx
behavioral2/files/0x0008000000023224-149.dat	upx
behavioral2/memory/3620-150-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral2/memory/4452-159-0x0000000000500000-0x000000000050F311-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 3620 wrote to memory of 4452	3620	622a976d6b9614_JC.exe	85
PID 3620 wrote to memory of 4452	3620	622a976d6b9614_JC.exe	85
PID 3620 wrote to memory of 4452	3620	622a976d6b9614_JC.exe	85

C:\Users\Admin\AppData\Local\Temp\622a976d6b9614_JC.exe
"C:\Users\Admin\AppData\Local\Temp\622a976d6b9614_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4452

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

Loading Replay Monitor...

Downloads

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

Filesize
79KB

MD5
66e6144299dd922723e40d0a515a8be4

SHA1
6b336eea64e9aaf6b72278f35fd2b9dc2430d150

SHA256
52a11e19cf51a46f8458806ff3bcabb47bbb466df337039c9d55587b2f5390f5

SHA512
2fdc82aab696a88baed26a94f6fb45eea41a05d298bca3de5c3f97c77be160efbf9ce7c8d64a8ade75d6c85482dc68c6ad9eab36c8b17f56a9404c78acfe0e28

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

Filesize
79KB

MD5
66e6144299dd922723e40d0a515a8be4

SHA1
6b336eea64e9aaf6b72278f35fd2b9dc2430d150

SHA256
52a11e19cf51a46f8458806ff3bcabb47bbb466df337039c9d55587b2f5390f5

SHA512
2fdc82aab696a88baed26a94f6fb45eea41a05d298bca3de5c3f97c77be160efbf9ce7c8d64a8ade75d6c85482dc68c6ad9eab36c8b17f56a9404c78acfe0e28

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

Filesize
79KB

MD5
66e6144299dd922723e40d0a515a8be4

SHA1
6b336eea64e9aaf6b72278f35fd2b9dc2430d150

SHA256
52a11e19cf51a46f8458806ff3bcabb47bbb466df337039c9d55587b2f5390f5

SHA512
2fdc82aab696a88baed26a94f6fb45eea41a05d298bca3de5c3f97c77be160efbf9ce7c8d64a8ade75d6c85482dc68c6ad9eab36c8b17f56a9404c78acfe0e28

Download Submit
memory/3620-133-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/3620-134-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/3620-135-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/3620-136-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/3620-150-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/4452-152-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4452-153-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4452-159-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download