a75e961385f67d94cfb64681620708d44494e61c985d8cb1ee72f25be667e6f3

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 08:04

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General

Target

10d440906d04895fe4f27e6a8edb5de4.pdf
Size

93KB
MD5

10d440906d04895fe4f27e6a8edb5de4
SHA1

2886fe864e248bc7e54f42a71918ed0a271bc18e
SHA256

a75e961385f67d94cfb64681620708d44494e61c985d8cb1ee72f25be667e6f3
SHA512

ec4b15403c6f713afb6d6209afc43f2dd38099152aa86e52eb47efb5d496033659b7b5ae0cf6c35f3f38cb28e791e799ba8026d60b6fd3b07a3cf94125b44120
SSDEEP

1536:Rx01oFRVOCoO/4DK+UalVRdotmsIHYquYCKUDyZlfWypOlWWxpQY51MufmAWLeIF:bFP7oOQBUGVRm8+YM8lIlDpQS1MsmkNq

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3264	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3264 wrote to memory of 1488	3264	AcroRd32.exe	92
PID 3264 wrote to memory of 1488	3264	AcroRd32.exe	92
PID 3264 wrote to memory of 1488	3264	AcroRd32.exe	92
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 2860	1488	RdrCEF.exe	93
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94
PID 1488 wrote to memory of 4276	1488	RdrCEF.exe	94

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\10d440906d04895fe4f27e6a8edb5de4.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:3264
- 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:1488
- - 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=A99D1E4B2BD792A47D51E2A99710843E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2860
- - 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=83AE70D94E998088E7C47D3B53B18187 --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=83AE70D94E998088E7C47D3B53B18187 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4276
- - 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=4983D40BFA02674E3C291FD1E3F4C8EA --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4064
- - 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=62C046B8656DB83E7C7ED06C50D9F6FF --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2752
- - 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=D9616FC0C504779A8666A200676A455A --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=D71847A58F84C7FCB194F295D1F39C79 --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=D71847A58F84C7FCB194F295D1F39C79 --renderer-client-id=7 --mojo-platform-channel-handle=2488 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:708

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1660

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
75eb39044baca4e6d1875c73efe562b0

SHA1
164a97aa47be9d7b49c840896d97bcbbd40a6f4d

SHA256
2683278620f42085b3d22aff7def5339a9efd771fb9c653533a97c900ca4395e

SHA512
e25f8d2d27883b29e209cc902eb4833ccfb79a4dd338fca9aaf5e0d2d755ea8d736f110f7f3b8e81b684336142f76ba20b1441fbb9f4d989385232819a559422

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