1683940988114840691efb03a8069e60358d2c3d391dfd046155b82b89e9b89d

Analysis

max time kernel
141s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 12:19

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General

Target

679b72e36de81b5aaa805ebacd02d23f.pdf
Size

145KB
MD5

679b72e36de81b5aaa805ebacd02d23f
SHA1

46fa45cac7ab8fd9ca2dfe03c55aca2725e9440f
SHA256

1683940988114840691efb03a8069e60358d2c3d391dfd046155b82b89e9b89d
SHA512

fa351ecec3ad27f1b1db831862de47d5fa5ebcd83803f2e2e4f0a569c3c018117ae2b60b8584ed281baf1892d061864bf52126f2ae49da69d914fc1c5d70b768
SSDEEP

3072:OurONQSpWHUZkY3cZXVKz6c42faY+2GQi/5vhqOEGOZpzVUuVCgGkx:OuKRplUWH4q+bQit8OEGqzV1

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4000	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 1336	4000	AcroRd32.exe	91
PID 4000 wrote to memory of 1336	4000	AcroRd32.exe	91
PID 4000 wrote to memory of 1336	4000	AcroRd32.exe	91
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4864	1336	RdrCEF.exe	92
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93
PID 1336 wrote to memory of 4588	1336	RdrCEF.exe	93

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\679b72e36de81b5aaa805ebacd02d23f.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:4000
- 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:1336
- - 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=86F5922EA61F722FFF8F81B771A54E6E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4864
- - 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=06F2CB83FECF7E2C70AD7B6FCE1EC0EF --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=06F2CB83FECF7E2C70AD7B6FCE1EC0EF --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4588
- - 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=A4FF2170C27132F2FD92B1450E23FC07 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2936
- - 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=303F51B56D7C1FCB81F976C2B7B3D479 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460
- - 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=D2506C8B729809DB7FE36528F82EECDA --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=D2506C8B729809DB7FE36528F82EECDA --renderer-client-id=6 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3560
- - 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=63E1034647CB8FBE168934EE2888A5C7 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4656

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
53b17441a4d112131e14afbec802c4bf

SHA1
13a0276d9cf7bd8bbee17843e45b39781fd152ec

SHA256
8652d438153ab295e745b5c7759fa47336702a981257244a21a080b5e30cdae4

SHA512
c748ca307df091b36ff55f3ffbdbf0baf2e61d4a4790d19a0c345710f27d587e12864a9843687a233d8ce6ce2b9959afeea831869a80588f217983dc94d3c252

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/4000-26-0x000000000F410000-0x000000000F460000-memory.dmp

Filesize
320KB

Download