942efbdef7fa8da978826a7bf1ce4c9413888321e7aa6b276ed0c6c51b7e0e73

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
22-02-2024 03:16

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General

Target

Akiserver/Aki_Data/Server/configs/airdrop.json
Size

15KB
MD5

d857ea1faf95d29af60c712a176d3214
SHA1

80d9f3f34b3d6444432a1d0d5ffc5c0f7b54850a
SHA256

fe252c2ec8f211e4d7502b91e8d5a2fa2e9a523b70b9d2650520ab0e56b6ac7b
SHA512

fab25fe80e90431aecd46c25c68097c2b9cca618359a1b0e7af3e8fb0ad0d39af926a38cff6fcbcb6e715596327fef4570bcf334f79b2d928f008aef7040d3b5
SSDEEP

192:l6wWLdNfA9rleTrLdNtO9llq4zLdwleTAALdyleTg:lL2dN6pu/dNunq4ndAuAYdmug

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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2724	AcroRd32.exe
2724	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2540	2064	cmd.exe	29
PID 2064 wrote to memory of 2540	2064	cmd.exe	29
PID 2064 wrote to memory of 2540	2064	cmd.exe	29
PID 2540 wrote to memory of 2724	2540	rundll32.exe	30
PID 2540 wrote to memory of 2724	2540	rundll32.exe	30
PID 2540 wrote to memory of 2724	2540	rundll32.exe	30
PID 2540 wrote to memory of 2724	2540	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Akiserver\Aki_Data\Server\configs\airdrop.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Akiserver\Aki_Data\Server\configs\airdrop.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2540
- - 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\Akiserver\Aki_Data\Server\configs\airdrop.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2724

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
4f4d8fe9b46ef684d2a7a7560aea4621

SHA1
0cfa3fc73db4ddfd2b41b7caec7497586d38b41c

SHA256
2bf035c16038d6fc466020613a62e3eb2391bb4374bd3575ce4684d73a6ad1d3

SHA512
388ac3814488496deb15a8f702976be1f1089e8b3ddc44570527b0a01fa0cc6735ed2026b9638aa9b4d2ad6071f7afa56a9d58d93056de9ef679a061bfdb0e12

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