841a98464457d2fceff8a35e6b575b1e5e0681f7232cb3c2b94c698e38960a25

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25-03-2024 21:05

240325-zxdnnahe48 3

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Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-03-2024 20:38

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General

Target

Prefetch/ADB-SETUP-1.4.3.EXE-A5343734.pf
Size

21KB
MD5

6fd09160da05c759840de95bee69af21
SHA1

0359b0e23b70889d61a923915aa3658a5cff574c
SHA256

fea6106bd50519d3ff36c5e6c7bcef8518300d4be018b5d4dadaf197b98fa678
SHA512

989948f76df354a222d636269ff08ab93b4385ba9259dac72202969200da7eae082f6b6926c1cbed5312ded7a609cb3799ecd281b540acc76807c059eb848d62
SSDEEP

384:1AkCq9pQJpXTAVG035zaFg0uMXbrAgccOC8v9SLoNc6DO2q3DbxOUkd98is/ugPN:uqe5uppWlVPccCBN1icHOpx/tM0ysb

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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pf_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pf_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pf	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2624	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2624	AcroRd32.exe
2624	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2648	2248	cmd.exe	29
PID 2248 wrote to memory of 2648	2248	cmd.exe	29
PID 2248 wrote to memory of 2648	2248	cmd.exe	29
PID 2648 wrote to memory of 2624	2648	rundll32.exe	30
PID 2648 wrote to memory of 2624	2648	rundll32.exe	30
PID 2648 wrote to memory of 2624	2648	rundll32.exe	30
PID 2648 wrote to memory of 2624	2648	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\ADB-SETUP-1.4.3.EXE-A5343734.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\ADB-SETUP-1.4.3.EXE-A5343734.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2648
- - 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\Prefetch\ADB-SETUP-1.4.3.EXE-A5343734.pf"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2624

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
8941999df4a4003ee49ffb78e06b5515

SHA1
26b972320a15ccbcc67fa241a722ba3ac9c0c1aa

SHA256
d67395f5323663fdfc0353e092186cf7e76195c04b1cf55d18676c72dd1014a6

SHA512
ae6d250b584908526a18a8ee7baaf6192e1e2c042b782b743732668e484d4ca960e9c8f03d40045d510cc06369f3f8cffe2fe397a10da118da4d25ea2de001de

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