b0226eb597b41b1abff28f95a388a03f9e3e86c5d0451d2d83962c7246b56ab4

Analysis

max time kernel
153s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 12:07

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General

Target

d61296d331928a040a38d99fb84d3c1f.pdf
Size

132KB
MD5

d61296d331928a040a38d99fb84d3c1f
SHA1

bc909968e12afab201f3af70399c33d12e459313
SHA256

b0226eb597b41b1abff28f95a388a03f9e3e86c5d0451d2d83962c7246b56ab4
SHA512

8b80424d3977313fd1588dd982664ef8e46447e531231b83e47150c8c3b2d6d6e0beed191c1fd259ab308fd42de4c995646936bd1b4d9968e51a5f398dbef15e
SSDEEP

3072:Z4JFNXL2fKdYPkK52fs3qM0uNIR/00wZKITPfvy++wBY:cXdMx3HPNIR/00wZKQfWwi

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 644	4980	AcroRd32.exe	104
PID 4980 wrote to memory of 644	4980	AcroRd32.exe	104
PID 4980 wrote to memory of 644	4980	AcroRd32.exe	104
PID 4980 wrote to memory of 1956	4980	AcroRd32.exe	106
PID 4980 wrote to memory of 1956	4980	AcroRd32.exe	106
PID 4980 wrote to memory of 1956	4980	AcroRd32.exe	106
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 4876	644	RdrCEF.exe	107
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108
PID 644 wrote to memory of 1300	644	RdrCEF.exe	108

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\d61296d331928a040a38d99fb84d3c1f.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:4980
- 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:644
- - 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=B8ACF7E424F0A176016B6DC91DFAB400 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4876
- - 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=8F390B3B288CC780C38F03B066A2239F --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=8F390B3B288CC780C38F03B066A2239F --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1300
- - 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=CD9C8F6BF984687E3E90E244AE47B7C2 --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=CD9C8F6BF984687E3E90E244AE47B7C2 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4016
- - 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=293BDD63B8E0F93081E9A6446DBEF35E --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3504
- - 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=F8FD51AC05CCFFB9EEA0CD0461897341 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5164
- - 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=156D06B97900C834E4E187D23C6E4FB6 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5248
- 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:1956

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3020

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4456 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:5252

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
ef30f5663d771b47af0833fc14d97477

SHA1
c92a3ee1f260023b56cdcb0b71a8e524d847aaf8

SHA256
5d01a4cc30b96140364561eee3ba1d5f1890a51d328d428336dc938c6c7a84a5

SHA512
233b7119683cfa9d8dc2ccc446e45a65a3c831c00305d374a616554b2435885122dc1a6a492fb0645f569cc79b586ab21595ff0778cdbca0077349c9cbeb729c

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