0b8ac904ace860efc1b089549fbe457c1c4cba6f3f1ff7367d53b4635bd209cc

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2024 12:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5b3962870123557200eb4a04506e691a.pdf
Size

32KB
MD5

5b3962870123557200eb4a04506e691a
SHA1

7aeba0336225045e9185f07f2907e499b5677acb
SHA256

0b8ac904ace860efc1b089549fbe457c1c4cba6f3f1ff7367d53b4635bd209cc
SHA512

80395c3b518b206032f60e915e0f45a57b065851062789620ed8aa7a4b49d9945fd40ffbe3f39ad982099b9c0c3d9a3b530fdd9ea97d8867ee5d8b6079332bb7
SSDEEP

768:Qb+089nfiO3K4hT6052TVYJzhcUb6dIxp:tL64hTN5EYJmUXb

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 4228	1996	AcroRd32.exe	94
PID 1996 wrote to memory of 4228	1996	AcroRd32.exe	94
PID 1996 wrote to memory of 4228	1996	AcroRd32.exe	94
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 4920	4228	RdrCEF.exe	97
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98
PID 4228 wrote to memory of 692	4228	RdrCEF.exe	98

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\5b3962870123557200eb4a04506e691a.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:1996
- 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:4228
- - 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=4D4CC8DA05D8BCD1817871D3D599B7E1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4920
- - 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=9FB1F47C918E0CE1AA47F8A09E7F9B48 --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=9FB1F47C918E0CE1AA47F8A09E7F9B48 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:692
- - 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=CB3B6CD53CAD64FA70E086EBF2250A23 --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=CB3B6CD53CAD64FA70E086EBF2250A23 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4376
- - 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=74F9C5F75A77F3563CCD748781372268 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1020
- - 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=AEE5BF3B69D54A6EC5CA4D99C6A90353 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:212
- - 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=09ADE589D98C872778B9FC24A6C6D256 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4360

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2808

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
5cd5c36d1a35a21cbebf8ee674d8641f

SHA1
1ebb6d9f61620b1b16f6010cb1c8c36c96765e92

SHA256
f836b815f523494d1f828a4be0aeb3a1392bc5f7953f718546ca1dc41df09fd5

SHA512
0a0cbf4c0d1ffb08627f3549151905a7e370f35c2a0935c00906e651e1c3bfa9d04617e4f1669e3f7e66db9e797b428991d0162d5828c03a9eca8f2a74d86c98

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit