de8542f3fcc654186a5428bb333ba46947b6eb37ba149546382e19609c670fbc

Resubmissions

05/07/2023, 09:09

230705-k4h5dsch8w 7

Analysis

max time kernel
151s
max time network
32s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
05/07/2023, 09:09

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General

Target

routeMap.json
Size

1KB
MD5

3dc57b17d150d387036e9ab53da4bb98
SHA1

ebca2b54a70b420dcf84d8f137ef58df80bbbd53
SHA256

18dad60c7a68f729c01df1536204063911998f8b0752fce37ffa771f2e8f25d5
SHA512

145bdc7bdcd59f45918871486f38df60c37aae7552cb414dd6eadcf3bb42be0f7beadfe0ceb2d8873f45cb099deb839e4deb7b04eda78b427de9665c88bfcbc0

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-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2224	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2224	AcroRd32.exe
2224	AcroRd32.exe
2224	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 1340	2380	cmd.exe	29
PID 2380 wrote to memory of 1340	2380	cmd.exe	29
PID 2380 wrote to memory of 1340	2380	cmd.exe	29
PID 1340 wrote to memory of 2224	1340	rundll32.exe	30
PID 1340 wrote to memory of 2224	1340	rundll32.exe	30
PID 1340 wrote to memory of 2224	1340	rundll32.exe	30
PID 1340 wrote to memory of 2224	1340	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\routeMap.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\routeMap.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1340
- - 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\routeMap.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2224

Network

MITRE ATT&CK Enterprise v6

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
62f5c699358b49846785f665e3061e3c

SHA1
d7fc663a45bd40a99635e96644960f2e75fecbfd

SHA256
a33e690762ae1c39075b45fdeddaf2e6f8880b8134209d607a6d411d302e9f24

SHA512
b91bbe194c11541bbdfaa67fec768371900bbf15e33ba5a4d7c1962840682c0ab118385fc786c5e2cfffbc4270dcaa3eb6ebcf9700f1373ee7ff507d278ea1a5

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