c40efbf93b7feaf8fa9ceb44f03c0fa1093faca4f050f29937f3ac0d591f457e

Analysis

max time kernel
54s
max time network
63s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11-06-2024 01:07

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General

Target

01535f848bb62396cb5bf1fc9c12e150.exe
Size

46KB
MD5

01535f848bb62396cb5bf1fc9c12e150
SHA1

d88b03f859e560f98e6c38608b67d0bfebfa2adf
SHA256

c40efbf93b7feaf8fa9ceb44f03c0fa1093faca4f050f29937f3ac0d591f457e
SHA512

09f18313408ce91a9707d56c875d0ca2d9073bbb61c53fb3a5666b84709f32bf2439d736c6c729c8864bf317949bfcc08d00af037d7a33a30d178b29293cb7b6
SSDEEP

768:r8eRH+MlFh0pXrL4i6sh7iQroCHmmbk26b5:r9l+Gi6sh7iQroCL2

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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	01535f848bb62396cb5bf1fc9c12e150.exe

Executes dropped EXE 1 IoCs

pid	Process
220	bkgrnd.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2828-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0008000000022f51-7.dat	upx
behavioral2/memory/220-10-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/220-14-0x0000000000400000-0x000000000040F000-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 2828 wrote to memory of 220	2828	01535f848bb62396cb5bf1fc9c12e150.exe	82
PID 2828 wrote to memory of 220	2828	01535f848bb62396cb5bf1fc9c12e150.exe	82
PID 2828 wrote to memory of 220	2828	01535f848bb62396cb5bf1fc9c12e150.exe	82

C:\Users\Admin\AppData\Local\Temp\01535f848bb62396cb5bf1fc9c12e150.exe
"C:\Users\Admin\AppData\Local\Temp\01535f848bb62396cb5bf1fc9c12e150.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe
  "C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe"
  2⤵
  - Executes dropped EXE
  PID:220

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\bkgrnd.exe

Filesize
46KB

MD5
2156d0806f102f96720e424551a02d73

SHA1
ad540454b155e0f954a54ee488fbc882c4c2e41e

SHA256
18cbe68e1061e75250bc474708d4801374229996a98c44df14cafd0a151078b9

SHA512
2389721e4b45d68062fc93ebbeef37f0677cc9c9e6257eda48a4b442f8810bd12584d2cef88225d36356523233342f22b5f0a73a6fa0aa2a197b28ff554af306

Download Submit
memory/220-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/220-14-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2828-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2828-2-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/2828-1-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download