7501393baaadda4a15c86b3fd822a769d14368eb693f6dcd03f9bd255030b0c5

Analysis

max time kernel
111s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:51

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General

Target

7501393baaadda4a15c86b3fd822a769d14368eb693f6dcd03f9bd255030b0c5N.exe
Size

91KB
MD5

658ec52e8e2dee2771a7ab9388a7cc70
SHA1

ed931f940a31486a03dcdb8996fa714000fb25cc
SHA256

7501393baaadda4a15c86b3fd822a769d14368eb693f6dcd03f9bd255030b0c5
SHA512

37d8aaeea67c148414c169ab92993efe2c1b39a17a777598b12b66b4e1d4397ea0ed8d7a7f039d3167b4fb0b0d999520ca4adcaa79355cef39ad878b1094323c
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpS:AnBdOOtEvwDpj6zV

Score

7^/10

discovery 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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	7501393baaadda4a15c86b3fd822a769d14368eb693f6dcd03f9bd255030b0c5N.exe

Executes dropped EXE 1 IoCs

pid	Process
4680	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4564-0-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x00080000000234bc-13.dat	upx
behavioral2/memory/4564-19-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/4680-27-0x0000000000500000-0x000000000050F000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7501393baaadda4a15c86b3fd822a769d14368eb693f6dcd03f9bd255030b0c5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4564 wrote to memory of 4680	4564	7501393baaadda4a15c86b3fd822a769d14368eb693f6dcd03f9bd255030b0c5N.exe	82
PID 4564 wrote to memory of 4680	4564	7501393baaadda4a15c86b3fd822a769d14368eb693f6dcd03f9bd255030b0c5N.exe	82
PID 4564 wrote to memory of 4680	4564	7501393baaadda4a15c86b3fd822a769d14368eb693f6dcd03f9bd255030b0c5N.exe	82

C:\Users\Admin\AppData\Local\Temp\7501393baaadda4a15c86b3fd822a769d14368eb693f6dcd03f9bd255030b0c5N.exe
"C:\Users\Admin\AppData\Local\Temp\7501393baaadda4a15c86b3fd822a769d14368eb693f6dcd03f9bd255030b0c5N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4680

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
91KB

MD5
e3f31514f915aa275f5e0ac7afa3d130

SHA1
feae0c219653e803f4e0a29d475838cbd7589eed

SHA256
1d62c5cadf48f6acf42551a110a0a56658a3981a41fbafaf94f78cfedddc3291

SHA512
5f7ad48424997855fa1c6f4a568ba77239f76d9e902812ebd72d1b6ca697ff945137c2b41a43b9009d88c8613c538bcfcb059a51a06421bf4e3c5911d78c7b9d

Download Submit
memory/4564-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4564-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4564-2-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4564-3-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/4564-19-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4680-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4680-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4680-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download