a6769fc29544832d9f9587e9130a5fb74ace6ae9a96bdaea2973e3b3d130a784

General

Target

1e92108e2be7caf24d18f14590fda115.pdf
Size

87KB
MD5

1e92108e2be7caf24d18f14590fda115
SHA1

1ce1ec2f4111e7752b11a1c5fb5e82ced6c3a349
SHA256

a6769fc29544832d9f9587e9130a5fb74ace6ae9a96bdaea2973e3b3d130a784
SHA512

c1579716bdff1ff8fcdaba1bc8ae90cae3ab58343cea01e3f0478086c3ec601a5b0314ab9bd887e93bec93feaf7655c7b67d0034a76ec7305ae07c837eccb740
SSDEEP

1536:VElIglqVgZAGcmPwqDDGuCid8up7ODfLtwaN4+WagLjc3LMVhPVvWQWQpOC2sb:0MVgZy1YC+8uwDTJmoUjKS7vW/CJ

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1336	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 2544	1336	AcroRd32.exe	103
PID 1336 wrote to memory of 2544	1336	AcroRd32.exe	103
PID 1336 wrote to memory of 2544	1336	AcroRd32.exe	103
PID 1336 wrote to memory of 2468	1336	AcroRd32.exe	104
PID 1336 wrote to memory of 2468	1336	AcroRd32.exe	104
PID 1336 wrote to memory of 2468	1336	AcroRd32.exe	104
PID 1336 wrote to memory of 3728	1336	AcroRd32.exe	105
PID 1336 wrote to memory of 3728	1336	AcroRd32.exe	105
PID 1336 wrote to memory of 3728	1336	AcroRd32.exe	105
PID 1336 wrote to memory of 1744	1336	AcroRd32.exe	106
PID 1336 wrote to memory of 1744	1336	AcroRd32.exe	106
PID 1336 wrote to memory of 1744	1336	AcroRd32.exe	106
PID 1336 wrote to memory of 3340	1336	AcroRd32.exe	108
PID 1336 wrote to memory of 3340	1336	AcroRd32.exe	108
PID 1336 wrote to memory of 3340	1336	AcroRd32.exe	108
PID 1336 wrote to memory of 3344	1336	AcroRd32.exe	110
PID 1336 wrote to memory of 3344	1336	AcroRd32.exe	110
PID 1336 wrote to memory of 3344	1336	AcroRd32.exe	110

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\1e92108e2be7caf24d18f14590fda115.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:1336
- 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:2544
- 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:2468
- 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:3728
- 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:1744
- 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:3340
- 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:3344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
64KB

MD5
6c4725bd03a238a3503f499683874b3f

SHA1
86a4a4d6a89bcce11ea3d02240a09053edc83ae9

SHA256
dda1d737a65e7445224272d9df34213ae0122dbcc98b00238ed9f0f630c9d5f3

SHA512
5c07448e799a96a48de197d87b8116c3914d82408ae9e3857803538f062d30b887b4f6fec2fc99e5ebcc456e6e21123ad92ffabea0e06e05c3f09c6c538b02d0

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Analysis

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