baa364ff2127d6dc7cd49fddc9fe7a3e1c4b93173d8f7531d172a38285115ea9

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/04/2024, 10:25

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General

Target
Repurchased/Unmistakedly/kontrakters/Grundvolden/Banderol191.deb
Size 3KB
Sample240417-mf9njsdf2z
SHA256 d586b372746c68e0bff05f75c09a759175aff7949a7ebc9d098d311288ab74bd
MD5 1d08dec8dde24cb16f919aa4c280b085
SHA1 82232fddf599ebd278050ef8a14388ffb8366397
SHA512 133621bc48c8a18d792caf2673fa4da1f4dd5ac7dac85241be6ffc64726746103f1c1b001bd6017c0d85d1cc1e31cf984f22f1d037fd17392768d4db530c5b43
MD5 SHA1 SHA512

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\deb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\deb_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\deb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.deb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.deb\ = "deb_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\deb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\deb_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\deb_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2552	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2552	AcroRd32.exe
2552	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2784	1968	cmd.exe	29
PID 1968 wrote to memory of 2784	1968	cmd.exe	29
PID 1968 wrote to memory of 2784	1968	cmd.exe	29
PID 2784 wrote to memory of 2552	2784	rundll32.exe	30
PID 2784 wrote to memory of 2552	2784	rundll32.exe	30
PID 2784 wrote to memory of 2552	2784	rundll32.exe	30
PID 2784 wrote to memory of 2552	2784	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Repurchased\Unmistakedly\kontrakters\Grundvolden\Banderol191.deb
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Repurchased\Unmistakedly\kontrakters\Grundvolden\Banderol191.deb
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2784
- - 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\Repurchased\Unmistakedly\kontrakters\Grundvolden\Banderol191.deb"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2552

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 09117b8286c20f7d398178ebab64b85747b1b8046535faa4fc701f9de67a3e7b
MD5 69adb58d0f308b78a062930344fff947
SHA1 a3849438e9ce2f70a18fbc717410344aac590d53
SHA512 811c6d1fd1d345a79242a9c463cde0478cce0453d108e8566aa05f2e70b52a1677828ac6a66cf5fe5b37c31bdbd2320fb723d0a00bf4c5a07f86e89e24bbf241
MD5 SHA1 SHA512

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