43363798224e0eab4bdb5ad582619c17f767e96d87059b1caae91bdf4c0e6397

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-10-2024 20:04

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General

Target

43363798224e0eab4bdb5ad582619c17f767e96d87059b1caae91bdf4c0e6397N.exe
Size

64KB
MD5

cccec65e4307b30a20661c0b49ad4130
SHA1

31bc0cd56078b2af346b2dfb7ae90231685604b5
SHA256

43363798224e0eab4bdb5ad582619c17f767e96d87059b1caae91bdf4c0e6397
SHA512

3bb71ea13e425fbbf93ae998fe5ee9331902dca7390998c1f14251d12e402ca117ac09f0e6b8e488d3e98deb2d1ab5f63f3ee0c59d60116d8156f5e1a7dc5a4e
SSDEEP

768:r8eRH+MlFh0pDpuJ84WEi+U6sh7iQroCHmyf+RjFBSuB2XpfsPpzSd3Q:r9l+W8xFt6sh7iQroCoRB0u0sPpzStQ

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3028	bkgrnd.exe

Loads dropped DLL 1 IoCs

pid	Process
2508	43363798224e0eab4bdb5ad582619c17f767e96d87059b1caae91bdf4c0e6397N.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2508-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2508-8-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x000a000000012033-10.dat	upx
behavioral1/memory/3028-31-0x0000000000400000-0x000000000040F000-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	43363798224e0eab4bdb5ad582619c17f767e96d87059b1caae91bdf4c0e6397N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bkgrnd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 3028	2508	43363798224e0eab4bdb5ad582619c17f767e96d87059b1caae91bdf4c0e6397N.exe	30
PID 2508 wrote to memory of 3028	2508	43363798224e0eab4bdb5ad582619c17f767e96d87059b1caae91bdf4c0e6397N.exe	30
PID 2508 wrote to memory of 3028	2508	43363798224e0eab4bdb5ad582619c17f767e96d87059b1caae91bdf4c0e6397N.exe	30
PID 2508 wrote to memory of 3028	2508	43363798224e0eab4bdb5ad582619c17f767e96d87059b1caae91bdf4c0e6397N.exe	30

C:\Users\Admin\AppData\Local\Temp\43363798224e0eab4bdb5ad582619c17f767e96d87059b1caae91bdf4c0e6397N.exe
"C:\Users\Admin\AppData\Local\Temp\43363798224e0eab4bdb5ad582619c17f767e96d87059b1caae91bdf4c0e6397N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2508
- 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:3028

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

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

Filesize
65KB

MD5
dabfad9da09939b413209e3fc3b5fe8d

SHA1
603ef130702845200720ebfb1a2c1d081f9d0c2e

SHA256
d3985c6b6a23b873e7b25cd78773300e9f7d49e7dee015abc6ea0335530d705f

SHA512
acbd7cbbc7a168f1a5a88d0676b2f160a80eaa88b2102b986ba117ed3b4b551ed25c582d9383ae15c5b2c442da159c2a7eef70a32bef47fdbf22b89734da9dd1

Download Submit
memory/2508-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2508-1-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/2508-2-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/2508-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2508-9-0x0000000000540000-0x000000000054F000-memory.dmp

Filesize
60KB

Download
memory/2508-30-0x0000000000540000-0x000000000054F000-memory.dmp

Filesize
60KB

Download
memory/3028-31-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download