8a03488dbc338d5792e485f65d717e3e916199f6af69c5a1916101759879b3b0

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 05:15

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General

Target

7c3f0fdb726acb314c8e2d0f785b4a05.pdf
Size

92KB
MD5

7c3f0fdb726acb314c8e2d0f785b4a05
SHA1

9e5e7723dfb54526fb3d488b8808cb314fa33eb0
SHA256

8a03488dbc338d5792e485f65d717e3e916199f6af69c5a1916101759879b3b0
SHA512

88b452b840907bc8bdf6860fe815189276df2d3c459e3fe2e71d5e370542083f2d359afbd399f09759bfe3583a3cf512f66981e444d7c3184477a718ea885be2
SSDEEP

1536:CP7xD6hYNuYPOm1ToGouJYAM7XDAx35FnNipF/cCWGW1gkvi/8W8pO7gJ+:sxD62NuYPbNoGog+Xs74/cvzvi/P7z

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
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 3212	4592	AcroRd32.exe	90
PID 4592 wrote to memory of 3212	4592	AcroRd32.exe	90
PID 4592 wrote to memory of 3212	4592	AcroRd32.exe	90
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2788	3212	RdrCEF.exe	93
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	RdrCEF.exe	94
PID 3212 wrote to memory of 2904	3212	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\7c3f0fdb726acb314c8e2d0f785b4a05.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:4592
- 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:3212
- - 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=0AB3CC65A12A470A7FBCB6C445A83F6D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2788
- - 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=0126E51FD7001BE8595503301091E20C --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=0126E51FD7001BE8595503301091E20C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2904
- - 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=664A71213FAAB2419B2C791238ED4E61 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4300
- - 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=81994234548791C549990B584B4CDCC5 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3160
- - 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=D30A088431F4D36D5330C639E0E191AE --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=D30A088431F4D36D5330C639E0E191AE --renderer-client-id=6 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3024
- - 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=410B7B82DCEC3E151C393BFE6609970D --mojo-platform-channel-handle=2252 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1664

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4676

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
dcb7f61ed73888b5ebb51f2bf75845c7

SHA1
e8a76b0e4be917b310b03069e6ef957edf983e95

SHA256
44303e46a810d897a5c34fdfaa40d1fa6d2cc5d3e24daff14dec3f4ca4f853c8

SHA512
0bc744e3f82150f9f20fe9198c8842b476331422e5f4ea9c9ab9dfd2f0d438a54c4295809a8b8cd12f5b908e2db5c46b163417cffd05f0a6ccc7147611061bb8

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