fc244ff81d4695498ba57bcbc8573a1606b0d2677701f63abf37ce7dd5ba5bb9

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 03:39

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General

Target

8874e776794c9fd0a976d4cfd47bc7b7.pdf
Size

45KB
MD5

8874e776794c9fd0a976d4cfd47bc7b7
SHA1

a867248b5af56ad1ccb1ccbf4b978cbe122c945f
SHA256

fc244ff81d4695498ba57bcbc8573a1606b0d2677701f63abf37ce7dd5ba5bb9
SHA512

9a6e7fda2cc9d11b729b574966ee74db8d246e4467c1d5e40377a95372abca130cc728983c45bcccced5346158ced3779e88d00f99564ff6966326af0c41d52e
SSDEEP

768:q/6v0FVusArP34E4rG8a1LhzqxiyQl66fU2WxUZxHw4BGJ6L1sVH6z:VEE4/aNYxpMUzcHcJzIz

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 4464	3832	AcroRd32.exe	92
PID 3832 wrote to memory of 4464	3832	AcroRd32.exe	92
PID 3832 wrote to memory of 4464	3832	AcroRd32.exe	92
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3412	4464	RdrCEF.exe	93
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	RdrCEF.exe	94
PID 4464 wrote to memory of 3812	4464	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\8874e776794c9fd0a976d4cfd47bc7b7.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:3832
- 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:4464
- - 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=DFDB1B689AE5BF213E4BA1D5A1AF61DC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3412
- - 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=38249C3F791D52911C3CD650E5E10003 --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=38249C3F791D52911C3CD650E5E10003 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3812
- - 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=198173EED75CE48EE61376435BB5C093 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5000
- - 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=2889EB4E9D23DD235A26B9ECE910194C --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=2889EB4E9D23DD235A26B9ECE910194C --renderer-client-id=5 --mojo-platform-channel-handle=2200 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1180
- - 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=8A2F8F1588ADE4E0F2C5BFB0915EA467 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3108
- - 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=86296B1C14454157F0C3312BC4BEECE9 --mojo-platform-channel-handle=2256 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1660

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3204

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
64KB

MD5
d1e2a05d0ab41c692f754cb78c4d0088

SHA1
039308e82ff5b0c4b8b05f7e101ed340df77547c

SHA256
ad929cc13b74180973946ad2342519b5b525cf7bacddc13d0c7c8467ebf94019

SHA512
d390251bd1071035989ca7d0ef43761ac8ed1f40f2ac8931906d0cb78a6ea8a0c688f68a818d5b6b288c2ab630b99de9207ac7e6fb11b2e5c93e5dea0cc7266b

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
memory/3832-28-0x0000000009BA0000-0x0000000009BC1000-memory.dmp

Filesize
132KB

Download