841a98464457d2fceff8a35e6b575b1e5e0681f7232cb3c2b94c698e38960a25

Resubmissions

25/03/2024, 21:05

240325-zxdnnahe48 3

25/03/2024, 20:59

25/03/2024, 20:56

25/03/2024, 20:51

25/03/2024, 20:45

25/03/2024, 20:38

25/03/2024, 20:36

Analysis

max time kernel
22s
max time network
19s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:45

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General

Target

Prefetch/CISCLEANUPTOOL_X64_NJQ5MDMWYZ-D5FF57E0.pf
Size

8KB
MD5

39105222976b74ccd87106f842306c95
SHA1

9f8fd9762266fc69dcdc5459f3fa3adaa5137909
SHA256

8387a3d604ce79e33dfaf1f79533669fcb700beb773d210d7f61f00c11529b4e
SHA512

e7daa204233659e9d3d378e6953656d88c2eb0f3db285c18d4b0a50d92872336e0a1ffd549be522b9dc5d1a14893567bd110685b35c4284542cf1f9f1536c9b3
SSDEEP

192:D91wfGHe2VAoBiS5uAq5BRqXbSWecuxyNhlQOsjB1SB:D9CfGhVAoEdAkPqrSWeu+116

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pf	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2568	AcroRd32.exe
2568	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 2668	1532	cmd.exe	29
PID 1532 wrote to memory of 2668	1532	cmd.exe	29
PID 1532 wrote to memory of 2668	1532	cmd.exe	29
PID 2668 wrote to memory of 2568	2668	rundll32.exe	30
PID 2668 wrote to memory of 2568	2668	rundll32.exe	30
PID 2668 wrote to memory of 2568	2668	rundll32.exe	30
PID 2668 wrote to memory of 2568	2668	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\CISCLEANUPTOOL_X64_NJQ5MDMWYZ-D5FF57E0.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\CISCLEANUPTOOL_X64_NJQ5MDMWYZ-D5FF57E0.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2668
- - 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\CISCLEANUPTOOL_X64_NJQ5MDMWYZ-D5FF57E0.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2568

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
67f858d070828e3e7dc9876e44bf0279

SHA1
c0757beb288293a8524c9d54c3f4052b7a5f5dde

SHA256
d13b2414a7a71272cc7b7d6578ba3678b92ac86020f7f48e8f8dde135abdf8e9

SHA512
c1c666d370d67d0c0649890e4809ecdf6fdca0e4a89e1a076fef756926210866dd4bdf879b108e3c981f2c397b434fc145a12f56404a67d5f5199341c13678d6

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