86c64cb3b4f6dab7d407d3c2c204204c745c3394383342caae04eabd420e9d5b

Analysis

max time kernel
4s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 19:38

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General

Target

41bc8e0ac1eb45a2ccee6433e3e2ed92.pdf
Size

76KB
MD5

41bc8e0ac1eb45a2ccee6433e3e2ed92
SHA1

e042bd79b41650695180b2f5d9d7dffafa1d94f1
SHA256

86c64cb3b4f6dab7d407d3c2c204204c745c3394383342caae04eabd420e9d5b
SHA512

f408e70daf10bf7b926545090def22f4cddc10b51a3ee05fa12089875aeb52e6a84dd77cfe5f6823b6186f320b8aaba2995750f273d22cff4c1a127371718636
SSDEEP

1536:UC89LKVJqg9zYKNLxiYVDNYcVCuLpnDI22mwW+cgpSrcKTvnaoMqcCsP1mD2:f89LXqzYKbiYVDRzI22BfecCvaAcBP1L

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3268	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3268 wrote to memory of 2284	3268	AcroRd32.exe	92
PID 3268 wrote to memory of 2284	3268	AcroRd32.exe	92
PID 3268 wrote to memory of 2284	3268	AcroRd32.exe	92
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4028	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 932	2284	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\41bc8e0ac1eb45a2ccee6433e3e2ed92.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3268
- 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:2284
- - 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=020F8BB81A0E6FCFA55FF0C72D4FF2B1 --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=020F8BB81A0E6FCFA55FF0C72D4FF2B1 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:932
- - 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=0EA828A142D53D8FC624D9AF730CF618 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4028
- - 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=5A4722FBAAFCCA17E76AC2513A9134AF --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4848
- - 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=D5C67ADF2832B4741E240F4D7059EAE7 --mojo-platform-channel-handle=1944 --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=040990CC550B6D72E45DD843155DEAA4 --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=040990CC550B6D72E45DD843155DEAA4 --renderer-client-id=6 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1684
- - 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=23D791A26F763F35FDF8D3B061C6093E --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2880

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:536

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
34c01f0ed7d436bcf06da973a5fc76ee

SHA1
7bf9f88a8b18435b1dd90f0b111307fbfe02c88a

SHA256
1d735935acd720e4993a30ea159045d8353850d23d1cd9f49b7ea4ddd420965b

SHA512
d989eb663fbd307e7a096045d58344ebbdc75c675173869061c42562e16002a8c02f8fc791887012bee5f9191eb3cc75377b309857e3ebc3962765a773252576

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
5KB

MD5
b17cf7054790e4b650f69da9d5c1f720

SHA1
97dd03389ef22817f74524dc774c915249d020d4

SHA256
cbea0cfe4d92bc15f42f33789ad6ec1df7753e0c593d907ff0eda48f52d6f490

SHA512
b5bd9142a806831f5080c5b47ece051d856fa38cbb18d387078bc1ebecacab55ec34a4db927f4ffda6e708cdba3120a786b7442f09607d454e3f073bf44411c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit