d9b27db18daba5a13c3ec1192367fe048ddd761b63548c16cf6897392ed435e4

Analysis

max time kernel
160s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 22:09

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General

Target

51bfaf63c521911d5076a834a7058908.pdf
Size

85KB
MD5

51bfaf63c521911d5076a834a7058908
SHA1

9a073d6aaee3a83a5e4a56c5a7a7debc40bb64e5
SHA256

d9b27db18daba5a13c3ec1192367fe048ddd761b63548c16cf6897392ed435e4
SHA512

eb68a517f80e09660b20e4b301fa86f2f3da8d81c25f2a17a518688898e899777e73a031567b8cf92d7744c4d5bfd595e33c01099daf194fa07fd2a1b5415c3f
SSDEEP

1536:rv/I+S8o6oGKVRffiKhOiuA0NPYQFT/LwyrHJu4vcKsihWoTrefst7nJqZRgsZWM:C8o6VGHioOiunBYQNLwyT5UWHnVnJq7d

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 22 IoCs

pid	Process
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 224	2516	AcroRd32.exe	103
PID 2516 wrote to memory of 224	2516	AcroRd32.exe	103
PID 2516 wrote to memory of 224	2516	AcroRd32.exe	103
PID 2516 wrote to memory of 2600	2516	AcroRd32.exe	104
PID 2516 wrote to memory of 2600	2516	AcroRd32.exe	104
PID 2516 wrote to memory of 2600	2516	AcroRd32.exe	104
PID 2516 wrote to memory of 4592	2516	AcroRd32.exe	105
PID 2516 wrote to memory of 4592	2516	AcroRd32.exe	105
PID 2516 wrote to memory of 4592	2516	AcroRd32.exe	105
PID 2516 wrote to memory of 1044	2516	AcroRd32.exe	106
PID 2516 wrote to memory of 1044	2516	AcroRd32.exe	106
PID 2516 wrote to memory of 1044	2516	AcroRd32.exe	106
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 396	4592	RdrCEF.exe	110
PID 4592 wrote to memory of 1936	4592	RdrCEF.exe	111
PID 4592 wrote to memory of 1936	4592	RdrCEF.exe	111
PID 4592 wrote to memory of 1936	4592	RdrCEF.exe	111
PID 4592 wrote to memory of 1936	4592	RdrCEF.exe	111
PID 4592 wrote to memory of 1936	4592	RdrCEF.exe	111
PID 4592 wrote to memory of 1936	4592	RdrCEF.exe	111
PID 4592 wrote to memory of 1936	4592	RdrCEF.exe	111
PID 4592 wrote to memory of 1936	4592	RdrCEF.exe	111
PID 4592 wrote to memory of 1936	4592	RdrCEF.exe	111
PID 4592 wrote to memory of 1936	4592	RdrCEF.exe	111
PID 4592 wrote to memory of 1936	4592	RdrCEF.exe	111

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\51bfaf63c521911d5076a834a7058908.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:2516
- 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:224
- 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:2600
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:4592
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=D953D9C723647B59A3D77638BD83C249 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:396
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=A89DA006CE875A5DFB79DD43277DDCBF --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=A89DA006CE875A5DFB79DD43277DDCBF --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1936
- 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:1044

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4352

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit