ee6c0cad8bac92436ef668071b2b247312650c6dd9b1a8d0a57b9dbbba8ca5f1

Analysis

max time kernel
144s
max time network
151s
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, 17:56

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General

Target

fdb9b3f043bb42exe_JC.exe
Size

90KB
MD5

fdb9b3f043bb42627b257e4bc0e9e2b6
SHA1

5fd794b06b020b87c5ae9db32d15c84fca0402ec
SHA256

ee6c0cad8bac92436ef668071b2b247312650c6dd9b1a8d0a57b9dbbba8ca5f1
SHA512

1602e5d4652d62893b39a82d32953415d15e6cf5156864a2829d24ccfce513391996a61d72e8fed1a58e62accc78ead2af53706327dca692d07d2afd0e1fa6ec
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpMx75R:AnBdOOtEvwDpj6z5R

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-1-5-21-3011986978-2180659500-3669311805-1000\Control Panel\International\Geo\Nation	fdb9b3f043bb42exe_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
644	asih.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2264-133-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x0006000000023282-146.dat	upx
behavioral2/memory/644-150-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/2264-152-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x0006000000023282-148.dat	upx
behavioral2/files/0x0006000000023282-149.dat	upx
behavioral2/memory/644-160-0x0000000000500000-0x000000000050F000-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 2264 wrote to memory of 644	2264	fdb9b3f043bb42exe_JC.exe	85
PID 2264 wrote to memory of 644	2264	fdb9b3f043bb42exe_JC.exe	85
PID 2264 wrote to memory of 644	2264	fdb9b3f043bb42exe_JC.exe	85

C:\Users\Admin\AppData\Local\Temp\fdb9b3f043bb42exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\fdb9b3f043bb42exe_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:644

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
90KB

MD5
c40d419dc45662dd05f22353e641b912

SHA1
b5115a1d8bce064f21f7e557e23600a6b3188853

SHA256
bb78cbc07afdcb4c9dcd021d8a1bf02f96a627669d452471198373a8a91c69db

SHA512
87ee0319307cb0969fad68570cf4197b646da4883be48466b728ce25e4925cecc8cb019083db480808b9034eb2dfc5cdd0f867c7b44fdcdfc9df672661aa17be

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

Filesize
90KB

MD5
c40d419dc45662dd05f22353e641b912

SHA1
b5115a1d8bce064f21f7e557e23600a6b3188853

SHA256
bb78cbc07afdcb4c9dcd021d8a1bf02f96a627669d452471198373a8a91c69db

SHA512
87ee0319307cb0969fad68570cf4197b646da4883be48466b728ce25e4925cecc8cb019083db480808b9034eb2dfc5cdd0f867c7b44fdcdfc9df672661aa17be

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

Filesize
90KB

MD5
c40d419dc45662dd05f22353e641b912

SHA1
b5115a1d8bce064f21f7e557e23600a6b3188853

SHA256
bb78cbc07afdcb4c9dcd021d8a1bf02f96a627669d452471198373a8a91c69db

SHA512
87ee0319307cb0969fad68570cf4197b646da4883be48466b728ce25e4925cecc8cb019083db480808b9034eb2dfc5cdd0f867c7b44fdcdfc9df672661aa17be

Download Submit
memory/644-150-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/644-153-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/644-154-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/644-160-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2264-133-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2264-134-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/2264-136-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/2264-135-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/2264-152-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download