23a4edaf48e0c2342961a428366215ba5f3179c12f2b3dbe1d400950038bcfc2

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
13/07/2023, 20:27

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General

Target

13612c4d945af4exe_JC.exe
Size

73KB
MD5

13612c4d945af4eb85a64028d229a2af
SHA1

2f67d24f08618895d417b3258e265a93ef6b3477
SHA256

23a4edaf48e0c2342961a428366215ba5f3179c12f2b3dbe1d400950038bcfc2
SHA512

e3d011720372bf8480dc45a6b56f6e3fd99e478f115cfb48bdb011955654814614befefef773c47e2afdcb0942735a1c16f066a111a20b97e58eab78912bb150
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+6W:T6a+rdOOtEvwDpjNt

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	13612c4d945af4exe_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4352	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2864-133-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x00070000000231f8-146.dat	upx
behavioral2/files/0x00070000000231f8-148.dat	upx
behavioral2/files/0x00070000000231f8-149.dat	upx
behavioral2/memory/2864-150-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/4352-159-0x0000000000500000-0x0000000000510000-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 2864 wrote to memory of 4352	2864	13612c4d945af4exe_JC.exe	86
PID 2864 wrote to memory of 4352	2864	13612c4d945af4exe_JC.exe	86
PID 2864 wrote to memory of 4352	2864	13612c4d945af4exe_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\13612c4d945af4exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\13612c4d945af4exe_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4352

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
73KB

MD5
4f0425fd8b5c7196d976303fd99f995b

SHA1
e3e9e1019c8507c9ccb6eb02c6b2eed1bc531e00

SHA256
73cd05259d3c4645557a86396bef99cf3990120bf310b42de7cf463b2ee1dd4b

SHA512
e6c304d56bb317cd06e9a989551e0cf43e254a2ed23c49b4a50fd0fbd393a9c54f62dd0a4258e7b3f5857c4615ff65f63cf797da85aaabe1b2e952afc4ebac5b

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

Filesize
73KB

MD5
4f0425fd8b5c7196d976303fd99f995b

SHA1
e3e9e1019c8507c9ccb6eb02c6b2eed1bc531e00

SHA256
73cd05259d3c4645557a86396bef99cf3990120bf310b42de7cf463b2ee1dd4b

SHA512
e6c304d56bb317cd06e9a989551e0cf43e254a2ed23c49b4a50fd0fbd393a9c54f62dd0a4258e7b3f5857c4615ff65f63cf797da85aaabe1b2e952afc4ebac5b

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

Filesize
73KB

MD5
4f0425fd8b5c7196d976303fd99f995b

SHA1
e3e9e1019c8507c9ccb6eb02c6b2eed1bc531e00

SHA256
73cd05259d3c4645557a86396bef99cf3990120bf310b42de7cf463b2ee1dd4b

SHA512
e6c304d56bb317cd06e9a989551e0cf43e254a2ed23c49b4a50fd0fbd393a9c54f62dd0a4258e7b3f5857c4615ff65f63cf797da85aaabe1b2e952afc4ebac5b

Download Submit
memory/2864-133-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2864-134-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/2864-135-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/2864-136-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/2864-150-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4352-153-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4352-152-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4352-159-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download