d8df254ef9faf40667be0f5cc9e7b7ac3dd9ce661d60783f306ef426e5e544bc

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 08:38

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General

Target

be26fb9f3cac9c75cab23045b237655f.pdf
Size

85KB
MD5

be26fb9f3cac9c75cab23045b237655f
SHA1

2d6ec09ceaef25d07199563260fb386a6a6f6942
SHA256

d8df254ef9faf40667be0f5cc9e7b7ac3dd9ce661d60783f306ef426e5e544bc
SHA512

b4a9a26761e79523f17d88e2eb8af2427149b4b8f66bd91771088478c183210966c44b21313519864c1e111d759047d4166f1eaff2e251a7ea27a1f98d678746
SSDEEP

1536:u4vOjbvRcuSxC9oVMur8GQ1X6uRoL9veTMMiuZzwWypOlLYqWO37xhIZQP:pUvRNwOoVMe8GQkeoLMiglLYE37AS

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1424	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 4200	1424	AcroRd32.exe	92
PID 1424 wrote to memory of 4200	1424	AcroRd32.exe	92
PID 1424 wrote to memory of 4200	1424	AcroRd32.exe	92
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 1284	4200	RdrCEF.exe	94
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	RdrCEF.exe	95
PID 4200 wrote to memory of 4008	4200	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\be26fb9f3cac9c75cab23045b237655f.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:1424
- 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:4200
- - 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=B8A66AA828EBF4ECD05DBFE254AB69FA --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1284
- - 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=092F9DB71281B7CCE157ED6A77E7DCB5 --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=092F9DB71281B7CCE157ED6A77E7DCB5 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4008
- - 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=C3670F74F9982CEB08BCCF0A7F857CB7 --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=C3670F74F9982CEB08BCCF0A7F857CB7 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4672
- - 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=A616812E36A7633CCC19342FD715F492 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4412
- - 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=01A65771C7551B89A1F0C376F2C39E9F --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3904
- - 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=F67614A0279F8A76106C584A3BF2D9ED --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1604

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2924

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
73174dbd0827fa7cd6084c1f22fcacf0

SHA1
2572589aac99a4c00fa8b2d420a24d969ccbef33

SHA256
e32ded176d576f02ee8587570c6780e5054130b2991e9cf243d3855b9299f4b4

SHA512
1fde5bde77567a805f3951ee64fd0845c28acecc5bffda9aacc17b757f5cce09ae4d899a7d4565aae0d8e508dfafbe438b4bc493cc81aca063081ea40cd961ef

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