11b00d4677dcb716991e4021c938ada483c5f63a2d465c7d3166296c3a13c4b3

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 21:03

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General

Target

$PLUGINSDIR/app/_locales/de/messages.json
Size

12KB
MD5

9ad7bb13a28acd7b7be3d35adf80de99
SHA1

0fabddcfd82faed51bb071fcfaa213db2583cb37
SHA256

4442ce287dfadf8d2019e4e975ee1c876d57d847c04715fd215ce03b24d36225
SHA512

9af9d5a66c4d9f39027eec20288bfac7170b43944fc58d6a05359624827a3847c4d90b232d3f1f621eaf3f5dd35172efcc96e763b1ca733dfedf02d4df084951
SSDEEP

192:RAJZco4VLBeZo9NhochYRl173tFUWIh239gdzu:bOSYd7V6a

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
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2504	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2504	AcroRd32.exe
2504	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2848	2768	cmd.exe	29
PID 2768 wrote to memory of 2848	2768	cmd.exe	29
PID 2768 wrote to memory of 2848	2768	cmd.exe	29
PID 2848 wrote to memory of 2504	2848	rundll32.exe	30
PID 2848 wrote to memory of 2504	2848	rundll32.exe	30
PID 2848 wrote to memory of 2504	2848	rundll32.exe	30
PID 2848 wrote to memory of 2504	2848	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\app\_locales\de\messages.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\app\_locales\de\messages.json
  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\$PLUGINSDIR\app\_locales\de\messages.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2504

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
5653fdef4e54827304297392d7d62a02

SHA1
e1ad7a359e3c8333b93bb01fc855198ff1c2a701

SHA256
a6d0d75885defd64e03f8be6f0dba869ebf29dc9c2841d282e37690cb661f1e6

SHA512
429f47ab8968856c721030f14b0311074ba3148464e944958e8dba6ecf07e7d2bc80373756ac992f1b46effb1a2186ea9e2f62c05df38e593049ad97379cf446

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