098162ecbe829012c6ebafaae44f2842699f30caf772159497ff68d522c04191

Analysis

max time kernel
83s
max time network
96s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 04:43

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General

Target

098162ecbe829012c6ebafaae44f2842699f30caf772159497ff68d522c04191N.exe
Size

63KB
MD5

6b20b0acd566b78a4e0ddc2a2175f5b0
SHA1

8ab8744bc2d48b4b5429005eba835756b790cc7c
SHA256

098162ecbe829012c6ebafaae44f2842699f30caf772159497ff68d522c04191
SHA512

477f97ace5f43181d81b7a57d60628a267a2bcc63b075d49cf35d2565c2163172b5a530d596820f9b850f385df3ebadb9bfb0209e9ff13dd99d7b2cab13fec6d
SSDEEP

768:r8eRH+MlFh0pDpuJ84WEi+U6sh7iQroCHmyf+RjFBSuB2XpfsPpzSdtKx16:r9l+W8xFt6sh7iQroCoRB0u0sPpzSS16

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1616	bkgrnd.exe

Loads dropped DLL 1 IoCs

pid	Process
2236	098162ecbe829012c6ebafaae44f2842699f30caf772159497ff68d522c04191N.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2236-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x000700000001211a-5.dat	upx
behavioral1/memory/1616-11-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2236-10-0x0000000000400000-0x000000000040F000-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	098162ecbe829012c6ebafaae44f2842699f30caf772159497ff68d522c04191N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bkgrnd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 1616	2236	098162ecbe829012c6ebafaae44f2842699f30caf772159497ff68d522c04191N.exe	30
PID 2236 wrote to memory of 1616	2236	098162ecbe829012c6ebafaae44f2842699f30caf772159497ff68d522c04191N.exe	30
PID 2236 wrote to memory of 1616	2236	098162ecbe829012c6ebafaae44f2842699f30caf772159497ff68d522c04191N.exe	30
PID 2236 wrote to memory of 1616	2236	098162ecbe829012c6ebafaae44f2842699f30caf772159497ff68d522c04191N.exe	30

C:\Users\Admin\AppData\Local\Temp\098162ecbe829012c6ebafaae44f2842699f30caf772159497ff68d522c04191N.exe
"C:\Users\Admin\AppData\Local\Temp\098162ecbe829012c6ebafaae44f2842699f30caf772159497ff68d522c04191N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe
  "C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

\Users\Admin\AppData\Local\Temp\bkgrnd.exe

Filesize
63KB

MD5
9b5b47d1c4910d6c8afd08610e7c7fea

SHA1
48571097dbda47afb9ba451ee8d8f4d1bde91dd7

SHA256
873f785b172783c97ab4222892db0c86491c137a0db2a3f70286021ceff651fd

SHA512
cf3a27f2d346157a91fe93f9c35494ae26fb6d5af11d67c8953272ae35a8d17931472d02ed9f952d04d74c524b52f639fb33e42f2c1132a6504c5d584970446a

Download Submit
memory/1616-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2236-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2236-1-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/2236-2-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/2236-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2236-8-0x0000000000520000-0x000000000052F000-memory.dmp

Filesize
60KB

Download