5b6e8db91221fd68551a3aee8142c0a8f7e861c25ee19daecdb19a4572086323

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 06:41

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General

Target

798a3630c724fb2cc1f4e0f3e0038b4e.pdf
Size

85KB
MD5

798a3630c724fb2cc1f4e0f3e0038b4e
SHA1

740917787ccd0598434517f89e90f5321f32c772
SHA256

5b6e8db91221fd68551a3aee8142c0a8f7e861c25ee19daecdb19a4572086323
SHA512

d85e0059d5dc42cee65a4782b55607a01df8f09cef83b9cb4cb7cb4bd9b3b4f0ddbeb79d858802c602e9d1b44eb5d20d8774724a5501def54ffd3fc849c469ee
SSDEEP

1536:4MI1YyFu/L2ZNEsyzafIl7ui69epHJW97gmhG8aAZWbpONx/T:bz2FyzdV69gqMCWAbNB

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
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4524	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 2356	4524	AcroRd32.exe	93
PID 4524 wrote to memory of 2356	4524	AcroRd32.exe	93
PID 4524 wrote to memory of 2356	4524	AcroRd32.exe	93
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 1812	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 3500	2356	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\798a3630c724fb2cc1f4e0f3e0038b4e.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:4524
- 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:2356
- - 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=6E23CC4AAA4AAEE403EB498A7E8F80D3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1812
- - 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=125F4C1514ABA83D69ACA6933C5A88C0 --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=125F4C1514ABA83D69ACA6933C5A88C0 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3500
- - 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=EB83713DDDCAB055B370CFD3F008E094 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4192
- - 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=5A8A2319FEA1CADE0B1C2740911921BA --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5028
- - 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=18D54EAA92764E269C3655286D2DFE7D --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:412
- - 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=3F828B34EF002D66DF1B00F79F1ED6E5 --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=3F828B34EF002D66DF1B00F79F1ED6E5 --renderer-client-id=7 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2916

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4472

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
8cc7263d98fe1e6522290249ac5bc469

SHA1
4f6a46fcf7b443b8e14156de39df84c92dca4f5d

SHA256
d3cf458a92c0e985c17a687e23b1920027c5334a384dbe7296b7f51e69fc51d3

SHA512
799b88fbec83d6ab5ccc50384182a3c8ba0b2c1ab89e9212a8649106458d3b49e824203dca0607b09b1deb0f7e6ef4dd9da2da07ef316faff76f31d0b330f187

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/4524-28-0x000000000BFF0000-0x000000000C011000-memory.dmp

Filesize
132KB

Download