59e4fac681f8e2e2db47821e1d1e1d76713363dadd006ee060d396b363c43e27

Analysis

max time kernel
120s
max time network
139s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 14:08

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General

Target

windows/loaders/archldr_tar.py
Size

5KB
MD5

96b8b409ff27709b114b1438b25f21db
SHA1

aaa2e2546618f0ebcf4a34f713553898cf2b844d
SHA256

2c7c318d71e47522557d7a1cb4399bb8322500b9008628e04d83bd64260c1538
SHA512

5a7efe31729e68ec478685185c5a9be864431f506720ee34a7ba9d7f83eccaaf21a0ef362240c02ca9a1965c0cd6e8f7420234d2047e20c900864ce8c4f03ec1
SSDEEP

96:M7cJLweUiQfkoTM/lWbbDj6iak2aJbJ7tvWf4lQF:M7cH7AkoTM/lCikxJb9tvWeQF

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2800	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2800	AcroRd32.exe
2800	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 2816	1428	cmd.exe	32
PID 1428 wrote to memory of 2816	1428	cmd.exe	32
PID 1428 wrote to memory of 2816	1428	cmd.exe	32
PID 2816 wrote to memory of 2800	2816	rundll32.exe	33
PID 2816 wrote to memory of 2800	2816	rundll32.exe	33
PID 2816 wrote to memory of 2800	2816	rundll32.exe	33
PID 2816 wrote to memory of 2800	2816	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\windows\loaders\archldr_tar.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1428
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\windows\loaders\archldr_tar.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2816
- - 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\windows\loaders\archldr_tar.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2800

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
a63aa420e9b6f22daa18cd1fb2d0278e

SHA1
4a51f555be53640abc943eba33d142553aa48f20

SHA256
9e7753ad58a3b3b50780c4710f522469476a4d78f4b6458859408d8bb757b4e8

SHA512
f3b6f2089f3469b91d019c07e7bb0ff2925f7be40d90009d7610ec0eda27a568517ac5c7eb882f66e103bdf85ac47849750ad99d209be679099eb37cdc270e5a

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