093a1aa2ea664ca296b41a0e4c19cfcdfb6e7bfceb6b439e8e5cb30ebc936340

Resubmissions

11/09/2024, 07:12

240911-h1mmasyhmf 7

11/09/2024, 07:06

240911-hw41sayfqe 7

Analysis

max time kernel
117s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 07:06

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General

Target

StashSwapper-main/StashSwapper.spec
Size

824B
MD5

b66add01ef71f0d3addd8471b1f1a1fd
SHA1

ebf55ffa07e28e138fdb8b9789d711e98b349a9c
SHA256

7e25954bd569627f861ee25f03d9f87634b15b1bce4078978cc7912966966d17
SHA512

9c00e197103af43f6fb12f41c546441af79cf6b3502aa8978e3f94c806a878750b601d9fd9c565611eed4f83b4acd0f11a92f87fc313091915ca6bb8728328b2

Score

3^/10

discovery

Malware Config

Signatures

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 1 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	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\spec_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\spec_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.spec\ = "spec_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\spec_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\spec_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\spec_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.spec	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\spec_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2600	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2600	AcroRd32.exe
2600	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2664	2736	cmd.exe	31
PID 2736 wrote to memory of 2664	2736	cmd.exe	31
PID 2736 wrote to memory of 2664	2736	cmd.exe	31
PID 2664 wrote to memory of 2600	2664	rundll32.exe	32
PID 2664 wrote to memory of 2600	2664	rundll32.exe	32
PID 2664 wrote to memory of 2600	2664	rundll32.exe	32
PID 2664 wrote to memory of 2600	2664	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\StashSwapper-main\StashSwapper.spec
1⤵
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\StashSwapper-main\StashSwapper.spec
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\StashSwapper-main\StashSwapper.spec"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2600

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\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
2e7e8e228d5883a08f3e9512dfab0073

SHA1
20bd3e184d83d8bc8e0f6f8d7c9f257859d51b5a

SHA256
2a9ed6d149bb011b036a43bb13d6db0525c7769adf4463f2d036cce6e544929c

SHA512
29ed2677d2acfa77cbaebad67e5503f82570ffe1b5b320aede7cd480c9dba72cd0ab2860dedfa0120299c5c75c179417e17e3844820eed46de5771dbc5c1e7b3

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