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
18s
max time network
16s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:45

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General

Target

Prefetch/CONFIGSERVICE.EXE-01160B6C.pf
Size

4KB
MD5

aabec26579082dc1b4d5ce6abf92db40
SHA1

55a54d93ef058f0b240fd1298b0137e460431cc2
SHA256

f48764ac2e6ce04e35ca0b889b7a92b51e117472cc5bd50c3b7cd44e6a51b08d
SHA512

111c0c97fe5e0d92a50b481c3d430c5d572c18541d8ccd7f91c4dd9797686cb744a314712a209b6863dcaffddd0975a3e98d3f189f7069a7849ed3a9d598b77d
SSDEEP

96:ctrQGHN2tEQjO+dMrtapUHFymQ5HQa/aZCP0ef2LkrXlO:CaEQjO+WtaoFMyNef2LkrXlO

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-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pf	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2736	AcroRd32.exe
2736	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2288	2192	cmd.exe	30
PID 2192 wrote to memory of 2288	2192	cmd.exe	30
PID 2192 wrote to memory of 2288	2192	cmd.exe	30
PID 2288 wrote to memory of 2736	2288	rundll32.exe	31
PID 2288 wrote to memory of 2736	2288	rundll32.exe	31
PID 2288 wrote to memory of 2736	2288	rundll32.exe	31
PID 2288 wrote to memory of 2736	2288	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\CONFIGSERVICE.EXE-01160B6C.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\CONFIGSERVICE.EXE-01160B6C.pf
  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\Prefetch\CONFIGSERVICE.EXE-01160B6C.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2736

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
c11024c541421bdce0419fb1582d6d19

SHA1
d20c3792239de5ec844a1b68d020c889b06bbccb

SHA256
dde64e6a78eefc51a39252ccb5c81bf8f7b4e87db6f640a26dfc29644aca79ad

SHA512
e771626e684f7dbb96df8e284a5fdec607dc004f3c2a8ddbad103f1080b95f2bd7354bd8e7bbfd4973c510e427aca383b846f23749ff7598dd03386729e26bf7

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