c7911806916d591cdfdd82e1ddbcafdccfd7e663e63d6d7f081ff376968935ac

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 01:15

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General

Target

47a5d7a482f98d2c747b37988ec15639.pdf
Size

98KB
MD5

47a5d7a482f98d2c747b37988ec15639
SHA1

347dba356d58a6007cb5c1e3511a30775ec3e153
SHA256

c7911806916d591cdfdd82e1ddbcafdccfd7e663e63d6d7f081ff376968935ac
SHA512

6aa63315c2559c63799a3f53461a5cc20e6d4362f21b5f1c305f48d2400d92a9f214c06efd559c009ad21e32804bfddded3061e842f91ce07d7d31f4f78b2036
SSDEEP

3072:qE0+OzzV71YQkYRZMGSdWUA/7UqmOa2aP6KpX:3IF71YziaGiWUeUTlr

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1064	AcroRd32.exe
1064	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1064	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 1540	1064	AcroRd32.exe	105
PID 1064 wrote to memory of 1540	1064	AcroRd32.exe	105
PID 1064 wrote to memory of 1540	1064	AcroRd32.exe	105
PID 1064 wrote to memory of 2712	1064	AcroRd32.exe	108
PID 1064 wrote to memory of 2712	1064	AcroRd32.exe	108
PID 1064 wrote to memory of 2712	1064	AcroRd32.exe	108
PID 1064 wrote to memory of 4304	1064	AcroRd32.exe	109
PID 1064 wrote to memory of 4304	1064	AcroRd32.exe	109
PID 1064 wrote to memory of 4304	1064	AcroRd32.exe	109

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\47a5d7a482f98d2c747b37988ec15639.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:1540
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:2712
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:4304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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