b96ca92ad793f5c12fa5b4dbce0419f67123f7139071d26273b27d9086339149

Analysis

max time kernel
150s
max time network
154s
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, 22:53

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General

Target

b96ca92ad793f5c12fa5b4dbce0419f67123f7139071d26273b27d9086339149.pdf
Size

504KB
MD5

17585bc9000b03142fa65b5b9d6f6e95
SHA1

f71e2d1f1dcb87a40a8e9f2812655f2c49ef07ba
SHA256

b96ca92ad793f5c12fa5b4dbce0419f67123f7139071d26273b27d9086339149
SHA512

1f11a624456601dbb7b5a90f8656d5daf323f3a832af3a102d62433856342eab963527b49c66e53ac874b43c93b927788db7210c8f920659ad3d3323e536b356
SSDEEP

12288:dO9JouB5jSx/Ba7Ltpq51K+Ql5jSx/BrQW0RPHU5BTNR:dO9Jo8WBa7LqslWBcbPQTNR

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-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2932	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe
2932	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2108	2932	AcroRd32.exe	91
PID 2932 wrote to memory of 2108	2932	AcroRd32.exe	91
PID 2932 wrote to memory of 2108	2932	AcroRd32.exe	91
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 3760	2108	RdrCEF.exe	92
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	RdrCEF.exe	93
PID 2108 wrote to memory of 404	2108	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\b96ca92ad793f5c12fa5b4dbce0419f67123f7139071d26273b27d9086339149.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:2932
- 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:2108
- - 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=49F9C26845AFE758E59F1CFB1BD5A2AA --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3760
- - 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=9E55C643F7B88022FEBE268BF5F59F7E --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=9E55C643F7B88022FEBE268BF5F59F7E --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:404
- - 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=A5CA5833D96F3A17DF4B1AA165D38EE2 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4604
- - 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=E401E9B60CF3698581E36D5D6F13DB62 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4216
- - 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=3622BDEDC9E5DA2C3805DB42C8C1780D --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=3622BDEDC9E5DA2C3805DB42C8C1780D --renderer-client-id=6 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:996
- - 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=0ED018868A319EEA37E14B986DB7ED67 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5036

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
5e6b217d8190e38d21ae41bb87261402

SHA1
8fb8d083b95d754c96e8424b95e0cc165dff466f

SHA256
f870ca78d3c246659d25d5c47e995af2ee8cd86828909de7ac6713a572b249ab

SHA512
7f1e5b76d2ee7c7e6cf9de7dd1b291891224c51369a972726b8859d95cf591692fab3c155c6441125fe588bf076d7ca5925d6cc7f90269f1b08cce81b604619a

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