9a7d58367c94b6875a7462fea2b2496939aa276ae6d9f07cf99e928c5cf08b69

Analysis

max time kernel
149s
max time network
153s
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, 01:38

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General

Target

d4e3aa81a595dbd48fa47cf8f0ba474a.pdf
Size

85KB
MD5

d4e3aa81a595dbd48fa47cf8f0ba474a
SHA1

46ad9853d5f77451a64615c93cec5322f021c6f6
SHA256

9a7d58367c94b6875a7462fea2b2496939aa276ae6d9f07cf99e928c5cf08b69
SHA512

aea7e99b933b7af86bb63e8b75daf38032091a85d56306193b766bd9b9ea86d40a3ca86370c9fb9344233e25f13a7e7069ccbc9cd205f949b2f66e20614a7c9e
SSDEEP

1536:iGT8RDUz48UstsR7gA65JmUEDN6HTka7fqxiTJuZ/pWgxj427uTmxaWVWUpO7YAR:Dzp/sBm3mUmMFSxwg9keuT6aW473

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 3020	4620	AcroRd32.exe	97
PID 4620 wrote to memory of 3020	4620	AcroRd32.exe	97
PID 4620 wrote to memory of 3020	4620	AcroRd32.exe	97
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 4488	3020	RdrCEF.exe	98
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99
PID 3020 wrote to memory of 2712	3020	RdrCEF.exe	99

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\d4e3aa81a595dbd48fa47cf8f0ba474a.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:4620
- 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:3020
- - 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=B925E66CAA901F0C54DB997D50E0BE24 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4488
- - 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=E53E9E280106C136DBB037599A08C576 --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=E53E9E280106C136DBB037599A08C576 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2712
- - 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=38DBAD07B658F6D385FA85E8D847C2C8 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4440
- - 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=E910C3540CA6506F41117EBCB955E919 --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=E910C3540CA6506F41117EBCB955E919 --renderer-client-id=5 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4976
- - 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=45AE3A234A8F2C2BEBF33C3BA3E2E805 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1212
- - 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=8FF54CD403FB6537220EDAF4419D07AA --mojo-platform-channel-handle=2824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:828

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:632

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
0ba587dd0b3b15d278739409948a713e

SHA1
239960fb1cba506b13fb8a3c45430583250a35a9

SHA256
7bf1bf9695300ddf34298d5e3c4a4d496994471b7cf54e400e0ab93b8de1462b

SHA512
2ccade5484ccf351aa1bcb197b477ab1baf02c9226a3af9a0ae8e055374106768933333e86e2e877ceb6652e7c0f70bc9228c996c37f08d0d99579421226b591

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/4620-26-0x000000000C1D0000-0x000000000C220000-memory.dmp

Filesize
320KB

Download