364ed15ad1d834b81cdd7f3cd0bf64e41c59a40159c689cca9c9342b87f38591

Analysis

max time kernel
191s
max time network
219s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 04:23

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General

Target

28068160f3027462e65dbed4e4dc4cec.pdf
Size

78KB
MD5

28068160f3027462e65dbed4e4dc4cec
SHA1

f704549813d57495fbaa510bd12d4e092755be32
SHA256

364ed15ad1d834b81cdd7f3cd0bf64e41c59a40159c689cca9c9342b87f38591
SHA512

bbc86a2635df89d6634d0f8cf81ceca07c8819675cccecddf7b8832daedf0f74e6f6e60c6990c9d2b681f735310bcc9d135238a061993d04e6c96a4ab6d9fa5e
SSDEEP

1536:pMizAuYXirfoelV34uvpy+qEKIQtDRqo205yhDWHpOvSejtf2W9KyFtP5pe:SgANyrwelV37vpdqxIQFRq9xhhvftfD0

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3788	AcroRd32.exe
3788	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3788 wrote to memory of 1816	3788	AcroRd32.exe	98
PID 3788 wrote to memory of 1816	3788	AcroRd32.exe	98
PID 3788 wrote to memory of 1816	3788	AcroRd32.exe	98
PID 3788 wrote to memory of 4892	3788	AcroRd32.exe	99
PID 3788 wrote to memory of 4892	3788	AcroRd32.exe	99
PID 3788 wrote to memory of 4892	3788	AcroRd32.exe	99
PID 3788 wrote to memory of 4272	3788	AcroRd32.exe	100
PID 3788 wrote to memory of 4272	3788	AcroRd32.exe	100
PID 3788 wrote to memory of 4272	3788	AcroRd32.exe	100
PID 3788 wrote to memory of 4752	3788	AcroRd32.exe	103
PID 3788 wrote to memory of 4752	3788	AcroRd32.exe	103
PID 3788 wrote to memory of 4752	3788	AcroRd32.exe	103

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\28068160f3027462e65dbed4e4dc4cec.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:3788
- 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:1816
- 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:4892
- 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:4272
- 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:4752

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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