2c9a02242d08caea6045b17da9048f6c7a0162ed0f2d3d9543e2873a837e2a97

Analysis

max time kernel
145s
max time network
150s
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, 16:56

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General

Target

77e51401d1adc402921845246ddf9915.pdf
Size

88KB
MD5

77e51401d1adc402921845246ddf9915
SHA1

88ac489ba7f879c66c2c8344a770665cbd4b64c6
SHA256

2c9a02242d08caea6045b17da9048f6c7a0162ed0f2d3d9543e2873a837e2a97
SHA512

f5c66b66447f8bfa467a7e9cc16029753a42255d64b46ff1f81b0509fa860e2b7a4cad98644d6355147f5cca60b3cd116c6323d8e0faddd7bdf60646dd027485
SSDEEP

1536:P1lm5YTQHJJliA6HgcucA/B5+8XeBIaCxmMXnU9WHzPW8azbWCpOViyXhbYApcp:NkYTQHJviA6AchA/Bb4IDmM3U0tisViF

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 4720	1712	AcroRd32.exe	93
PID 1712 wrote to memory of 4720	1712	AcroRd32.exe	93
PID 1712 wrote to memory of 4720	1712	AcroRd32.exe	93
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 3696	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95
PID 4720 wrote to memory of 4360	4720	RdrCEF.exe	95

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\77e51401d1adc402921845246ddf9915.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:1712
- 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:4720
- - 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=C7E646DE36D665DF16F0D89467C2B595 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3696
- - 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=4B2E4477B30C25B11366C12503ABB31D --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=4B2E4477B30C25B11366C12503ABB31D --renderer-client-id=2 --mojo-platform-channel-handle=1800 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4360
- - 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=8B135C3AF1D3762A808881FEB5E0063F --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=8B135C3AF1D3762A808881FEB5E0063F --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5100
- - 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=4963EC173B7B54F3CEBCD8B45A503AFB --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3780
- - 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=EEA1614767482897326F8BF8B75CB22D --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1876
- - 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=294843760DEBFF4E663E1D9548CF6C18 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:860

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3064

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
ba65b41167a2be93f73bff808d8506ac

SHA1
d9aa8e7723162d89397c80ef5a128d1d028229ac

SHA256
ac67a347621f61dcf5cbcb06e303afc1fd11638ac11d912b4511fecdb075bafb

SHA512
32201c3308237c7835e99854ae95a247322936e08a47d72c68b1aefa4dc82c3a6f6be9e463aca5bb11921bf4a29dc062ffd295ecf0a4d5f685e3153efc0c573d

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