c529cd95c0c85ca18df3e690f840e51d0be33b5b92f8bf1e9f91821eaedac68c

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/04/2024, 20:22

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General

Target

data.bin
Size

385KB
MD5

364a46c611cd7fead3527533982c616e
SHA1

3b0c8cce7a3a462d8865487f28d68c38de6851c4
SHA256

6963569bfd71c7b642826ac0cd8ac2511510168204b68a7b9940d656059f7df8
SHA512

9bc71ccc5e330b2641ef57c570e49ca944d4d4de633698adf1813e1a1368c4b700d71e63598c8caa55272e4cb310aeac1eb827980a69ee03f7f7d528dddc9f7d
SSDEEP

12288:6uFh7GCuzMgjOxEJ+ThSddxs2E45TpbfNNKGIh:17xxgCcdq2EQTpbfNNtq

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\bin_auto_file\shell\Read\command	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\bin_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\bin_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
2904	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2904	AcroRd32.exe
2904	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 2288	2944	cmd.exe	29
PID 2944 wrote to memory of 2288	2944	cmd.exe	29
PID 2944 wrote to memory of 2288	2944	cmd.exe	29
PID 2288 wrote to memory of 2904	2288	rundll32.exe	30
PID 2288 wrote to memory of 2904	2288	rundll32.exe	30
PID 2288 wrote to memory of 2904	2288	rundll32.exe	30
PID 2288 wrote to memory of 2904	2288	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\data.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2288
- - 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\data.bin"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2904

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
036b4892ae6ecb7d97e1c9b8400291ac

SHA1
a307aff9142aa2208252c0569e42e15c2ed14ba8

SHA256
983a7bd10fcfc36b66ea1bbc4eeffe54976f7e10f2c843b48c4643483fd9c384

SHA512
99b3cff0a271538008152167400c668535231e3a97e9a968f51db482e3f1167de16ed2acfe0a62135f3fa207d6e13800060af9692c8f93b12b01c66a4e04db23

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