f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 01:10

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General

Target

f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe
Size

40KB
MD5

e118d93568a6e2dda938e6cdd1e4dec5
SHA1

38f9e1cfdef20ddb356b65e62f5ec4ca783b15e4
SHA256

f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d
SHA512

48bd7a458057f04139b56920cbb27d32167f0239e1b863658b4141f575dfe6d2a6d134e97ec51c016028a4cc0be5fee90b700a2e45ea50542f386ad3ea669dc0
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaB0gA:qDdFJy3QMOtEvwDpjjWMl7TdCgA

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

Processes:

f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2908 asih.exe

pid	process
2908	asih.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3444-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\asih.exe	upx
behavioral2/memory/3444-18-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/2908-19-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/2908-28-0x0000000000500000-0x0000000000510000-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

Processes:

f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe

description	pid	process	target process
PID 3444 wrote to memory of 2908	3444	f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe	asih.exe
PID 3444 wrote to memory of 2908	3444	f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe	asih.exe
PID 3444 wrote to memory of 2908	3444	f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe
"C:\Users\Admin\AppData\Local\Temp\f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3444

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
40KB

MD5
dc307df13a7fc7483a25f8bd2e7defc3

SHA1
1f4c9eb216700c4a51dab671d25225319de8e296

SHA256
e3d699dc14cebcfe42796b7f95fa4a34964af0826672740b9e79d2dc4c6007a9

SHA512
8f111087d3a0c611f31ce1d1ac9989f8223318ac96b06dc6b10f87845e8ec87f57f9a3627a23aa32c646c1568baafd74ea7fec2ae194cabccb38fa778672589c

Download Submit
memory/2908-19-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2908-21-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/2908-27-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2908-28-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3444-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3444-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/3444-9-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3444-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download