11f9f7e01c6b71d97c700847cdaeee0b6150715908e6055c6cb9b60a86dbd4a1

Analysis

max time kernel
149s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
14/07/2023, 12:37

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General

Target

18b08276269688exe_JC.exe
Size

98KB
MD5

18b082762696887b3679557baebacfa1
SHA1

63736733e848dadaeccb001704d76c4c93f78dc5
SHA256

11f9f7e01c6b71d97c700847cdaeee0b6150715908e6055c6cb9b60a86dbd4a1
SHA512

be41ea41eaefcbb8bcf01a754d42690416f227fd07529185214b4ea7a08cc0465ee37d996d371e84ca524db012e93e04743acf9ccc0584cc2dc2019a7febc41e
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpQbCJhn:AnBdOOtEvwDpj6za

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-1-5-21-4176143399-3250363947-192774652-1000\Control Panel\International\Geo\Nation	18b08276269688exe_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4172	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4192-133-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x00060000000231c3-146.dat	upx
behavioral2/files/0x00060000000231c3-148.dat	upx
behavioral2/files/0x00060000000231c3-149.dat	upx
behavioral2/memory/4192-150-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/4172-159-0x0000000000500000-0x000000000050F000-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 4192 wrote to memory of 4172	4192	18b08276269688exe_JC.exe	84
PID 4192 wrote to memory of 4172	4192	18b08276269688exe_JC.exe	84
PID 4192 wrote to memory of 4172	4192	18b08276269688exe_JC.exe	84

C:\Users\Admin\AppData\Local\Temp\18b08276269688exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\18b08276269688exe_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4192
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4172

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
98KB

MD5
c8b4393a0967aa0c8bb89434a82f2719

SHA1
06445bba34159369ef701896841ba5d2e7315682

SHA256
bb2147e43371474647cc931e1347324a3f97188fa776bc684edc96e8f1ff7d7f

SHA512
9671f54d8f49918f35de3bd8700a88d4678bc42e0d4af5ed4d6a2b0bc5fdcf4238d06c8331391167615a3f7b9338a9c46b7bb48d6b8d8b95e5a360758313cf6c

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

Filesize
98KB

MD5
c8b4393a0967aa0c8bb89434a82f2719

SHA1
06445bba34159369ef701896841ba5d2e7315682

SHA256
bb2147e43371474647cc931e1347324a3f97188fa776bc684edc96e8f1ff7d7f

SHA512
9671f54d8f49918f35de3bd8700a88d4678bc42e0d4af5ed4d6a2b0bc5fdcf4238d06c8331391167615a3f7b9338a9c46b7bb48d6b8d8b95e5a360758313cf6c

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

Filesize
98KB

MD5
c8b4393a0967aa0c8bb89434a82f2719

SHA1
06445bba34159369ef701896841ba5d2e7315682

SHA256
bb2147e43371474647cc931e1347324a3f97188fa776bc684edc96e8f1ff7d7f

SHA512
9671f54d8f49918f35de3bd8700a88d4678bc42e0d4af5ed4d6a2b0bc5fdcf4238d06c8331391167615a3f7b9338a9c46b7bb48d6b8d8b95e5a360758313cf6c

Download Submit
memory/4172-153-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/4172-152-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4172-159-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4192-133-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4192-134-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/4192-135-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/4192-136-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/4192-150-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download