12510d5bd96765d518a2da812ecfda8b816f5912dd490ac663e3f45ababb82ca

Analysis

max time kernel
187s
max time network
207s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 19:41

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General

Target

021289370acdd8d5f9e3e0a53d400bcc.pdf
Size

83KB
MD5

021289370acdd8d5f9e3e0a53d400bcc
SHA1

33f83389549e02671dc5d9e4bff591f6f6086f27
SHA256

12510d5bd96765d518a2da812ecfda8b816f5912dd490ac663e3f45ababb82ca
SHA512

a5be3bdbe83d14d26b4d8c7dcb02dcf3b84bf7fa1aaa51040941ed07d54070261b8383c10237e0c2aa736407c42cef15e67e2f39452c9f9f0d53d814981e6489
SSDEEP

1536:J9f6ccQ6Fl/IPmB29nzeoU8ndfjEwTjsos9Mql8PwWGpOGoW1QPLY3I2AyG:zfI1zAeB25zU8NJjvsKbFGCj2k

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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
3232	AcroRd32.exe
3232	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3232	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 4436	3232	AcroRd32.exe	92
PID 3232 wrote to memory of 4436	3232	AcroRd32.exe	92
PID 3232 wrote to memory of 4436	3232	AcroRd32.exe	92
PID 3232 wrote to memory of 3828	3232	AcroRd32.exe	97
PID 3232 wrote to memory of 3828	3232	AcroRd32.exe	97
PID 3232 wrote to memory of 3828	3232	AcroRd32.exe	97
PID 3232 wrote to memory of 2180	3232	AcroRd32.exe	102
PID 3232 wrote to memory of 2180	3232	AcroRd32.exe	102
PID 3232 wrote to memory of 2180	3232	AcroRd32.exe	102

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\021289370acdd8d5f9e3e0a53d400bcc.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:3232
- 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:4436
- 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:3828
- 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:2180

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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