a917b57927939bf143b0ca2385e856128f43e8b39538cfdcac3d05027d58dbcd

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 15:15

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General

Target

77b242dc21d7dc362b182259b855e519.pdf
Size

58KB
MD5

77b242dc21d7dc362b182259b855e519
SHA1

20a483e07957180aa3a6ead5f4c2ffe55e61d33a
SHA256

a917b57927939bf143b0ca2385e856128f43e8b39538cfdcac3d05027d58dbcd
SHA512

7bd854d3d651a438c92a893d7aeb5838fb0fefe5ba26d91fe828b228f4e0b351632781ac3dbc4e8e4cb6d95aa0beda6ab0de5f94d570a3c870e5813d5e69cbe4
SSDEEP

1536:qRsIE+nFatk0UMI2orkXfizh5tAq14e3kjPYjgOOQBE:WsIpFatzDvorkXfilpOe0jPYj3OKE

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 4864	2992	AcroRd32.exe	91
PID 2992 wrote to memory of 4864	2992	AcroRd32.exe	91
PID 2992 wrote to memory of 4864	2992	AcroRd32.exe	91
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3700	4864	RdrCEF.exe	93
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	RdrCEF.exe	94
PID 4864 wrote to memory of 3748	4864	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\77b242dc21d7dc362b182259b855e519.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2992
- 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: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=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=2C02755680D003C335B75095529A8C08 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3700
- - 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=201878F1ECA32D57A68643CBA9357F44 --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=201878F1ECA32D57A68643CBA9357F44 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3748
- - 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=F3EA5BFA7DC82753D921D0DD0EFA2E00 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2752
- - 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=C54DEEE7B65FE16694AA7E4933BD0FC8 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2696
- - 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=FEED30D0ECB6884CAF085FB7C1FAB132 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2280

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4608

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
fdb4612b9a987d29977d481f3bcd7d9e

SHA1
fea5aac970f43e9c3f3c03fe80463553d9fc81ae

SHA256
a5388c2f91a38eb2c1c42852665bcd005928e708538e8041d60d1d1a743e29b5

SHA512
ec5b5736dec79f6c6186f9d13e9facf87bac047c4c351d1d0b7e5685d6b058fb496d39aa7062113732b6106f525ae83887cf846cc9e349aa22242b842a1789cf

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