c41acaa0af0b4936284bec09508b8d060f00c9f7521a7e517d95368cfdb5856e

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
06/07/2023, 11:34

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General

Target

22c618cd31490eexeexeexeex.exe
Size

119KB
MD5

22c618cd31490ef305529211a00ee95f
SHA1

5a03199f4f23f293d0aa15b308b552b2aeee219e
SHA256

c41acaa0af0b4936284bec09508b8d060f00c9f7521a7e517d95368cfdb5856e
SHA512

8a82c3c886573e921a7c62abf67ee579f273095fc214f9de7ad4df17c4c1b60551fb1c0f4b10e08fe984b20b7e29de1349c6c3bc484a5c6c769cce0be1ce611a
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1ec:AnBdOOtEvwDpj6zi

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-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	22c618cd31490eexeexeexeex.exe

Executes dropped EXE 1 IoCs

pid	Process
2516	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4456-133-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x00060000000231f1-145.dat	upx
behavioral2/files/0x00060000000231f1-147.dat	upx
behavioral2/memory/4456-149-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x00060000000231f1-148.dat	upx
behavioral2/memory/2516-157-0x0000000000500000-0x000000000050F000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{1A75278A-933B-479F-9958-A6469EC98AE8}.catalogItem	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 2516	4456	22c618cd31490eexeexeexeex.exe	79
PID 4456 wrote to memory of 2516	4456	22c618cd31490eexeexeexeex.exe	79
PID 4456 wrote to memory of 2516	4456	22c618cd31490eexeexeexeex.exe	79

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\22c618cd31490eexeexeexeex.exe
"C:\Users\Admin\AppData\Local\Temp\22c618cd31490eexeexeexeex.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2516

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1632

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

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Downloads

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

Filesize
119KB

MD5
ce8579c3941831b9b1b45046a5336941

SHA1
29b05e89d2ee054f35e722ab5168133a05fe0045

SHA256
dad275277b5051cfe1e47a8ca37b0c38758bb3ff51b980c96288541c1ad2a6c2

SHA512
c0320a71cac72c6dcf06293011438e8e630a7144913dfe430b1e215959dde09c1cffd30058524b3abea124fa1cd6f536589b9ee6031b0be0094cb772b97abbbc

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

Filesize
119KB

MD5
ce8579c3941831b9b1b45046a5336941

SHA1
29b05e89d2ee054f35e722ab5168133a05fe0045

SHA256
dad275277b5051cfe1e47a8ca37b0c38758bb3ff51b980c96288541c1ad2a6c2

SHA512
c0320a71cac72c6dcf06293011438e8e630a7144913dfe430b1e215959dde09c1cffd30058524b3abea124fa1cd6f536589b9ee6031b0be0094cb772b97abbbc

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

Filesize
119KB

MD5
ce8579c3941831b9b1b45046a5336941

SHA1
29b05e89d2ee054f35e722ab5168133a05fe0045

SHA256
dad275277b5051cfe1e47a8ca37b0c38758bb3ff51b980c96288541c1ad2a6c2

SHA512
c0320a71cac72c6dcf06293011438e8e630a7144913dfe430b1e215959dde09c1cffd30058524b3abea124fa1cd6f536589b9ee6031b0be0094cb772b97abbbc

Download Submit
memory/2516-151-0x0000000001FE0000-0x0000000001FE6000-memory.dmp

Filesize
24KB

Download
memory/2516-157-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4456-133-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4456-134-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/4456-135-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/4456-149-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads