66de67a8e0f77f4c7a73aa9c3e377200fc57a529e4d1de6f6a6f3402641352d6

Analysis

max time kernel
154s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
18-05-2023 01:57

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General

Target

66DE67A8E0F77F4C7A73AA9C3E377200FC57A529E4D1DE6F6A6F3402641352D6.pdf
Size

13KB
MD5

a5990077be10960c85b3c16c9f8dc3cd
SHA1

0985ba5d7efc1a3b8c0f2188521f9c32a3e4c97c
SHA256

66de67a8e0f77f4c7a73aa9c3e377200fc57a529e4d1de6f6a6f3402641352d6
SHA512

ee19888542d426db591bc927104d363f8102c51c9e9e73ec3bbe7ddc1bb2148e97846008c0f15fde5b8fac9e28bfbecad0480af94d011925fade473cb69c239f
SSDEEP

384:DOUlCZ8H0Za2vq+qfq/EV2wP+pkPABIQd9sx:NlZwbEVPmFIM2

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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5060	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 1392	5060	AcroRd32.exe	85
PID 5060 wrote to memory of 1392	5060	AcroRd32.exe	85
PID 5060 wrote to memory of 1392	5060	AcroRd32.exe	85
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 2996	1392	RdrCEF.exe	86
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87
PID 1392 wrote to memory of 4248	1392	RdrCEF.exe	87

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\66DE67A8E0F77F4C7A73AA9C3E377200FC57A529E4D1DE6F6A6F3402641352D6.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:5060
- 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:1392
- - 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=204317D909766BC7C0EF2EF4AD1BD3A0 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2996
- - 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=1E3D2CAF86C138E2198B812A243A142A --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=2 --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=1E3D2CAF86C138E2198B812A243A142A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4248
- - 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=6819788ACA34D24E9327D9A38C222120 --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=2 --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=6819788ACA34D24E9327D9A38C222120 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1168
- - 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=3DB6EA4A25AA569379110C1B138C907A --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:364
- - 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=595CC05A72ADE24965AABE1B5D502626 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2588
- - 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=B3796A1437318D1912E9A2A46FA052B2 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1816

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3116

Network

MITRE ATT&CK Enterprise v6

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

Filesize
64KB

MD5
dcca4dbc96e65e596cfaea2c47b7e9c6

SHA1
fe87631bf1e79af0568a22e145c04aeb7e3242b4

SHA256
1f93c58d0bb466675cfdec24d6705b87d9a19f9a0f5d22b77b4ea6e0df4ab705

SHA512
63895d00a4146cc7ea4ca8a93ddc34dab42f761288375a9ab0ced9b46e85a432c9d1346f15a32b083996da01ffcaa46b226c6d3dd98d34b46f578751cb75a123

Download Submit