9e97c9f14330e4da3835bceccb919b6281f6ed4bc26ee66e1e08451f55e71304

Analysis

max time kernel
844s
max time network
844s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
09/06/2024, 05:03

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General

Target

Desktop.7z
Size

913B
MD5

cfd65b3690a355ad00575a3c95b54d0b
SHA1

1a94e0f98fc36df1862a95901a1ce52f59ae0593
SHA256

9e97c9f14330e4da3835bceccb919b6281f6ed4bc26ee66e1e08451f55e71304
SHA512

1662b333cddb104e509276994df13919517af34b85a168257e8f8fb141d0d6229f16594962fb83ac06e5c84e6aa5f6000f45947e83f6cd1535666466adba7baf

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\7z_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\7z_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\7z_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\7z_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\7z_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.7z	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.7z\ = "7z_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\7z_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2712	AcroRd32.exe
2712	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 2848	2044	cmd.exe	29
PID 2044 wrote to memory of 2848	2044	cmd.exe	29
PID 2044 wrote to memory of 2848	2044	cmd.exe	29
PID 2848 wrote to memory of 2712	2848	rundll32.exe	30
PID 2848 wrote to memory of 2712	2848	rundll32.exe	30
PID 2848 wrote to memory of 2712	2848	rundll32.exe	30
PID 2848 wrote to memory of 2712	2848	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Desktop.7z
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Desktop.7z
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2848
- - 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\Desktop.7z"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
fdf1bab50ca23d82e1309c47d85c0344

SHA1
9fbc208d3333e32661a36c5e823ba229bb60960e

SHA256
18e41b41f0de66eac2a06b98297517809642c73f06f43b893b10f7e8f7eb95e6

SHA512
6edbcabe3f59600aebad723efa170fa6e5a6a409414439591b6bd2989f8ec5aea9bb1a54ee99421c12d098d97081bb3c2bd4ce3ade5cb068f9f325697c5a7d47

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