bb38c066bce0c82820940b6c9cd36a17e206bf6f859b6f341fc466e5467d39a3

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2024, 10:35

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General

Target

def42e0affcf6ee359e665001525780c.pdf
Size

84KB
MD5

def42e0affcf6ee359e665001525780c
SHA1

06422162b853cd9303cc957a682fa1d6c8a328d6
SHA256

bb38c066bce0c82820940b6c9cd36a17e206bf6f859b6f341fc466e5467d39a3
SHA512

401b8c07aa812e816da8f6a5c13599454d2af8ca0996b037f83d4b0efca02e721d5c4cac3f5262bfdae8bf6656af3e2703237abb68613454f6a97b6154e850ea
SSDEEP

1536:V9uYXaXvmxc7IUltqn3iYVbib9YpL1+uG5ALzWrUUYyDJ7ebLLWQpOCARs:zpK+tVbib2pL1+uG4eJ7ebL2CN

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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 2684	4880	AcroRd32.exe	96
PID 4880 wrote to memory of 2684	4880	AcroRd32.exe	96
PID 4880 wrote to memory of 2684	4880	AcroRd32.exe	96
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 2708	2684	RdrCEF.exe	97
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	RdrCEF.exe	98
PID 2684 wrote to memory of 1228	2684	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\def42e0affcf6ee359e665001525780c.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:4880
- 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:2684
- - 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=4D3EC6C144C4F8F9B29FC862BE4A5FAE --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2708
- - 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=3A154A48321F34491DB4D6F823EE0E1F --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=3A154A48321F34491DB4D6F823EE0E1F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1228
- - 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=EC502CD1FEF32B8189C56C87A346E414 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1620
- - 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=17B08285FF9793B705C997BBD75343D7 --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=17B08285FF9793B705C997BBD75343D7 --renderer-client-id=5 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:624
- - 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=A642AA00B3FCD121D8FC1E6AF215C308 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2548
- - 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=85233D1ACCC500A5DEADDCC312B99416 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3408

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3740

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=3780 --field-trial-handle=2276,i,5672504106535478802,17394903851940863593,262144 --variations-seed-version /prefetch:8
1⤵
PID:1692

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
ed0a7e0836300f0474d5ec0a0fe9b231

SHA1
95140ec4daf8ac06d324d02e163f46be5914adb8

SHA256
2c0269099d2edca365b7b24cd46008ce88a90b97285bf9c40e2d603a1678fff7

SHA512
a347a55cbd53a2435f94074d8824bc5f74cff431d8743c99c86101d611a7742ba4ceaf0930e850aec4526341cf9ddd1dfee160d4533ccad8261fa2d594c74017

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