21d5cc62e1e9c967f89a944bd62f92f5f952f5e0e6c84b4732ae5167efa106a9

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
06/06/2024, 12:23

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General

Target
SOLARAUPDATED/bin/api-docs.json
Size 5.9MB
Sample240606-pknb8afa55
SHA256 6c003208304e585290c9a655c51e5789c4f3e4241a9abc0139a9dbeb5d2884b1
MD5 19c541f355cad5fb427a38317479b698
SHA1 aebc5b3b123ab962606b6072806027d9b6c758e9
SHA512 78e3cbe554cdf02457a3892033ebd9f74c5b4446e306248594d682918ea5dc6e52cafe72b3bdf59fda1f9f5b3879576ca1ef2d35cebc66f1d55543b618bcf7e5
SSDEEP 24576:7ccjk1+ox2ptidmo2KtMTdxsuBqXhGz+rM:hiVuBqXhGz+rM
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_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-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2980	AcroRd32.exe
2980	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2596	1936	cmd.exe	29
PID 1936 wrote to memory of 2596	1936	cmd.exe	29
PID 1936 wrote to memory of 2596	1936	cmd.exe	29
PID 2596 wrote to memory of 2980	2596	rundll32.exe	30
PID 2596 wrote to memory of 2980	2596	rundll32.exe	30
PID 2596 wrote to memory of 2980	2596	rundll32.exe	30
PID 2596 wrote to memory of 2980	2596	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SOLARAUPDATED\bin\api-docs.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\SOLARAUPDATED\bin\api-docs.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2596
- - 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\SOLARAUPDATED\bin\api-docs.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2980

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 8bf50c490b38fe028702dfc00248894026ce97dc84c574f1351307868454f388
MD5 26acd8f5bb5159cdee9747bea5efa828
SHA1 c3a975bc0c0e4dc443e0b02c258bb88a82d0aa69
SHA512 ff3cc8f6f5120d037ff284cd06d3977fcc49cd8f1437eea9e150f88d341fa7a22fbabc5107ec7876237c0979b28ec03ae4395ea9cd22a774f70b7b61338d8fda
MD5 SHA1 SHA512

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