86c09491d7e87d7f3d06a22c2827bd59ba0ccc21dc4d1e2ac3fedfb21ac56c7c

Analysis

max time kernel
142s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/02/2024, 19:45

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General

Target

aa020735a8e1c9613439f19df20315b7.pdf
Size

94KB
MD5

aa020735a8e1c9613439f19df20315b7
SHA1

ffb02884ed6cc296f34aeaefe1507a3c94c5693f
SHA256

86c09491d7e87d7f3d06a22c2827bd59ba0ccc21dc4d1e2ac3fedfb21ac56c7c
SHA512

7a9be8fbc52dab7f2b56f711763d76b2fc682c3f90d76bff3d4c34f7aabef7d2172b8a9e77a816ebdd803a8bef011a9dfa5b2b2fe9731df6c336dc6db06f5180
SSDEEP

1536:6XCRTA5O7DBLklUwTdSZGUDcLthjBsVT1j09SLATAZ/WgE4s34KduH1IRoVUNPWC:FJMO7B6YGUDIjBsVT1CoAUS4Q4KduVIv

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe
1828	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 2424	1828	AcroRd32.exe	95
PID 1828 wrote to memory of 2424	1828	AcroRd32.exe	95
PID 1828 wrote to memory of 2424	1828	AcroRd32.exe	95
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 3796	2424	RdrCEF.exe	96
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4520	2424	RdrCEF.exe	97

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\aa020735a8e1c9613439f19df20315b7.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:1828
- 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:2424
- - 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=0FAEB68DE61F1A4E8A722B76F4F6B4EE --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3796
- - 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=A74C2A995D01181F55FA9143578CCBF3 --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=A74C2A995D01181F55FA9143578CCBF3 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4520
- - 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=5AA5FE8130EA359B05E809458F53505E --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2148
- - 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=8DB218CCAF0353B9B78D25DBB4F529E0 --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=8DB218CCAF0353B9B78D25DBB4F529E0 --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3096
- - 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=483A0CF8DD3608347B09A3F497C8C8C5 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2272
- - 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=56591269B9E95313A3323BD4C17E5F08 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1640

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2436

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=4172 --field-trial-handle=2264,i,13734085038406049477,12426093271221802693,262144 --variations-seed-version /prefetch:8
1⤵
PID:4944

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
0fb78294870b700711c1a4e3a8f4487a

SHA1
0a127a4124c69aef3f5473c73f70beeb2155093e

SHA256
384ad87edcaf5f1faa7fde6919f81716becd6184cdbd6bd0dc147efa47e867f6

SHA512
410290c002e22896ca11de8fbe7c66f418971616fd3c42075ebb5e81c0df81806655acd908023486ce0e45eb9d543d7eb4da294783014ef90ea267cc71bed122

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