398ed99ddde8c997242cc01c0ce7baddc778a7fc85c2df2d61d8a8a707d4b0f4

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
04-07-2024 03:45

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General

Target

398ed99ddde8c997242cc01c0ce7baddc778a7fc85c2df2d61d8a8a707d4b0f4.exe
Size

49KB
MD5

a7df8de84749948ffd321bd4267946b0
SHA1

db46f1b7946cde713db20d95b4113089423f54cb
SHA256

398ed99ddde8c997242cc01c0ce7baddc778a7fc85c2df2d61d8a8a707d4b0f4
SHA512

30d80ef511f67c5831d050c29419d9cce8e45c0fc855a2cf445738ba0a3dccf50a747e9a51527a56de641d901f404628796dac17cc8537ad4af34b1aa5807fd4
SSDEEP

768:r8eRH+MlFh0pXrL4i6sh7iQroCHmmbk2iXJ:r9l+Gi6sh7iQroCLKJ

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-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	398ed99ddde8c997242cc01c0ce7baddc778a7fc85c2df2d61d8a8a707d4b0f4.exe

Executes dropped EXE 1 IoCs

pid	Process
464	bkgrnd.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/436-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0008000000023441-7.dat	upx
behavioral2/memory/464-11-0x0000000000400000-0x000000000040F000-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 436 wrote to memory of 464	436	398ed99ddde8c997242cc01c0ce7baddc778a7fc85c2df2d61d8a8a707d4b0f4.exe	83
PID 436 wrote to memory of 464	436	398ed99ddde8c997242cc01c0ce7baddc778a7fc85c2df2d61d8a8a707d4b0f4.exe	83
PID 436 wrote to memory of 464	436	398ed99ddde8c997242cc01c0ce7baddc778a7fc85c2df2d61d8a8a707d4b0f4.exe	83

C:\Users\Admin\AppData\Local\Temp\398ed99ddde8c997242cc01c0ce7baddc778a7fc85c2df2d61d8a8a707d4b0f4.exe
"C:\Users\Admin\AppData\Local\Temp\398ed99ddde8c997242cc01c0ce7baddc778a7fc85c2df2d61d8a8a707d4b0f4.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:436
- C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe
  "C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe"
  2⤵
  - Executes dropped EXE
  PID:464

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
49KB

MD5
bb2a54a7be558802ac0a9b69f53fdf19

SHA1
babed1887c6c0b92e32954d577703a05f0ba0e7c

SHA256
9eabcaa4e1fa64cfae202089b90b36ff9e17a48e8624a01db53880cb6fdffc09

SHA512
1f33be72f4a1338a5b556b4b66b6e942cf5f0b8173a59c789d8f669bbb3315e98d464743d8b67671976ae05575c117b8e2298578992f864f4764d12c4aa5642f

Download Submit
memory/436-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/436-2-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/436-1-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/464-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download