e7e8c809d9b45dc539764ec0a1158f5e4f5ea097cf3155f5d494499c4afb87cf

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
17/07/2023, 18:25

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General

Target

a405882af5bc52_JC.exe
Size

57KB
MD5

a405882af5bc5292e00afdd8a57437bf
SHA1

ddee0d89170d49dac193ce52a1c023d3b01edeea
SHA256

e7e8c809d9b45dc539764ec0a1158f5e4f5ea097cf3155f5d494499c4afb87cf
SHA512

caf1326211ed7b77ecebcaf32b6f156f578761e7b3932b02d0eedbf23ba1debc625317933d99bba20db7dedb991829ee181de42b753c872c787e505afc21f1c0
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTFH3b: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-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	a405882af5bc52_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
3660	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5008-133-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0008000000023228-146.dat	upx
behavioral2/memory/5008-149-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0008000000023228-148.dat	upx
behavioral2/files/0x0008000000023228-150.dat	upx
behavioral2/memory/3660-159-0x0000000000500000-0x0000000000510000-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 5008 wrote to memory of 3660	5008	a405882af5bc52_JC.exe	86
PID 5008 wrote to memory of 3660	5008	a405882af5bc52_JC.exe	86
PID 5008 wrote to memory of 3660	5008	a405882af5bc52_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\a405882af5bc52_JC.exe
"C:\Users\Admin\AppData\Local\Temp\a405882af5bc52_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3660

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
57KB

MD5
1f73ec97dba73418d114644869a5a666

SHA1
edc9347ec79f97509a0cba9f0c4fd359c02682ec

SHA256
1e6950aa54426d5a21c5da8f5b5fd8c54bc777f6f521e5381243caa8dd9eaf8d

SHA512
a9e295ac52cb9978a0d9f41a1ec89060edadd73a681f867896a3ed16a99e6f1f5a9fa2932625cce44ff9267cd23e7547a0d66b670d46c7fc1bfbcd7338eccfab

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

Filesize
57KB

MD5
1f73ec97dba73418d114644869a5a666

SHA1
edc9347ec79f97509a0cba9f0c4fd359c02682ec

SHA256
1e6950aa54426d5a21c5da8f5b5fd8c54bc777f6f521e5381243caa8dd9eaf8d

SHA512
a9e295ac52cb9978a0d9f41a1ec89060edadd73a681f867896a3ed16a99e6f1f5a9fa2932625cce44ff9267cd23e7547a0d66b670d46c7fc1bfbcd7338eccfab

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

Filesize
57KB

MD5
1f73ec97dba73418d114644869a5a666

SHA1
edc9347ec79f97509a0cba9f0c4fd359c02682ec

SHA256
1e6950aa54426d5a21c5da8f5b5fd8c54bc777f6f521e5381243caa8dd9eaf8d

SHA512
a9e295ac52cb9978a0d9f41a1ec89060edadd73a681f867896a3ed16a99e6f1f5a9fa2932625cce44ff9267cd23e7547a0d66b670d46c7fc1bfbcd7338eccfab

Download Submit
memory/3660-153-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/3660-152-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3660-159-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/5008-133-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/5008-134-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/5008-135-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/5008-136-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/5008-149-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download