ac3e52f8e86d6b1f93b1ecc592f88699368e0748c1fb43d5ce4fe2e480e731f3

Analysis

max time kernel
152s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 23:08

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General

Target

ac3e52f8e86d6b1f93b1ecc592f88699368e0748c1fb43d5ce4fe2e480e731f3.pdf
Size

21KB
MD5

585a4b6f08d55518a1153f340528bc2b
SHA1

33600acc6a097906cc11767ad81ba23ba0f2b3c0
SHA256

ac3e52f8e86d6b1f93b1ecc592f88699368e0748c1fb43d5ce4fe2e480e731f3
SHA512

14c7d04374b1f6cb1659e650f06668a8989d082ec7731549dd2257cede083d1a03dd18245a7d31ed4d3e93f85032ad577a1f69aa8cbde4025ca82051d404486a
SSDEEP

384:VzKQM86Ij5wx2LaAU8CwFdM8VMqx7eLVCU/28+Vqcz0jqkGeLy8fvNy5+PReGZ:VzKQM8axhAswFdM8FGN2Nt0jqkGeffSY

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3538781373-1545967067-4263767959-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4800	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 964	4800	AcroRd32.exe	92
PID 4800 wrote to memory of 964	4800	AcroRd32.exe	92
PID 4800 wrote to memory of 964	4800	AcroRd32.exe	92
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3520	964	RdrCEF.exe	93
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	RdrCEF.exe	94
PID 964 wrote to memory of 3156	964	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\ac3e52f8e86d6b1f93b1ecc592f88699368e0748c1fb43d5ce4fe2e480e731f3.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:4800
- 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:964
- - 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=0C1BAD6304AD8AA57E3F7D49E998C9EC --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=0C1BAD6304AD8AA57E3F7D49E998C9EC --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3520
- - 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=6CA1BD454892093C8D18163CE71DFEFF --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3156
- - 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=B0FDCCCA807F323C351DAE49ED31E722 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3180
- - 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=7DFE45A324B02EE12EAF3F682508540E --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=7DFE45A324B02EE12EAF3F682508540E --renderer-client-id=5 --mojo-platform-channel-handle=2032 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4780
- - 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=AE708E716DF8BE81A0526C4122685BFD --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2340
- - 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=64321EA1F417ADE452589302907024D9 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3988

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4884

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
d10b52313cfdbf2eccfe9155a639a229

SHA1
33a95e866d7cc4b6b9dd8aad3ea8e41e3b4f5fbe

SHA256
95f173ea11a55ef051e99b6c0d56ddc6480edc244daa035602b7c1af491b8f45

SHA512
4e9eb65891127e4998fbae599e2f7cc93fafd89af0f5c4e0b616d9c9255a3559473695b4d70b13a2de5bf346e717ee02fad14cf7c750ec17374e41b73fe82246

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/4800-132-0x000000000B3D0000-0x000000000B67B000-memory.dmp

Filesize
2.7MB

Download