4fd5453390d3915c066b008dfa65ffb47d3922c124b4d5c098324f95f8a934fa

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01-06-2024 11:02

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General

Target

incognito/bin/api-docs.json
Size

5.9MB
MD5

19c541f355cad5fb427a38317479b698
SHA1

aebc5b3b123ab962606b6072806027d9b6c758e9
SHA256

6c003208304e585290c9a655c51e5789c4f3e4241a9abc0139a9dbeb5d2884b1
SHA512

78e3cbe554cdf02457a3892033ebd9f74c5b4446e306248594d682918ea5dc6e52cafe72b3bdf59fda1f9f5b3879576ca1ef2d35cebc66f1d55543b618bcf7e5
SSDEEP

24576:7ccjk1+ox2ptidmo2KtMTdxsuBqXhGz+rM:hiVuBqXhGz+rM

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell\Read	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\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_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
2656	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2656	AcroRd32.exe
2656	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2504	2240	cmd.exe	29
PID 2240 wrote to memory of 2504	2240	cmd.exe	29
PID 2240 wrote to memory of 2504	2240	cmd.exe	29
PID 2504 wrote to memory of 2656	2504	rundll32.exe	30
PID 2504 wrote to memory of 2656	2504	rundll32.exe	30
PID 2504 wrote to memory of 2656	2504	rundll32.exe	30
PID 2504 wrote to memory of 2656	2504	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\incognito\bin\api-docs.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\incognito\bin\api-docs.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2504
- - 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\incognito\bin\api-docs.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2656

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
84887aafddb14c32fdfa5b8d4b4f53c6

SHA1
97fced98f800293d7fd32159fc689f5f5d01a465

SHA256
95d5b4a41f67fce804a13335ec278f91def1b2621036ac3cbbb693799108bbb4

SHA512
5369270ad89dd9c4ad855bf1106462bdd5067e1bea78f9ee70c7d2083a5de03472e73852ac7d29735bf8d0807fec0389d33e287309260d5bc4e972c077713326

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