afd0575e8ee5eaf5e00024c8e51fd01fe897805bc3b88cced8996bd45f5fc652

Analysis

max time kernel
150s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 05:54

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General

Target

b3f3ec68459d071b36073272a825ab82.pdf
Size

165KB
MD5

b3f3ec68459d071b36073272a825ab82
SHA1

1d26ddfa55b8a081306c8005c0d45821cfd860ba
SHA256

afd0575e8ee5eaf5e00024c8e51fd01fe897805bc3b88cced8996bd45f5fc652
SHA512

81b19cc20fefd983ae908c16e5222b3911051ec1795927896bf0aee114374f20b27b4fde71e0221c1be9f7d931f455bb51ad3035db54c9b68056e04fd35369ab
SSDEEP

3072:QQHmyUwDsV0T5mpKq2wJIkFsytS63mm0KCRB+O/Z:NHmyJDsV0TIr2wSkCum40t

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3468	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3468 wrote to memory of 636	3468	AcroRd32.exe	93
PID 3468 wrote to memory of 636	3468	AcroRd32.exe	93
PID 3468 wrote to memory of 636	3468	AcroRd32.exe	93
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1120	636	RdrCEF.exe	97
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98
PID 636 wrote to memory of 1324	636	RdrCEF.exe	98

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\b3f3ec68459d071b36073272a825ab82.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:3468
- 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:636
- - 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=BF6120D13278FB23C262A0887F23B5AB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1120
- - 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=122A3444308918072E0F42741139E813 --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=122A3444308918072E0F42741139E813 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1324
- - 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=E7F6B718682D7F1E090A3DB11918E7C2 --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=E7F6B718682D7F1E090A3DB11918E7C2 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1812
- - 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=EF809B116CD335A82540D4EE764BC2FF --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=25568C510CE710DD9BC2B7E4C13FEE5F --mojo-platform-channel-handle=2592 --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=FDD856905C5AD93F4D5849802CDA1F3C --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4104

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4392

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
9996535c42369fb4a729ac8ff8d8b5d3

SHA1
94a377c0ead283e766313e83fb04a6a1e7f98e3f

SHA256
f10e6dc7adf6cfbb6cd19900ed3742db8e4d97e5dda92cc6d9499a6915b56f24

SHA512
47e40974426b28453d1cb294c1e76472622bacf8c203100bc981496b4354b1911cbea9493ce9ca91ffd1563fefc7c7913c843c81dc996cb90975b5ecbccbcb27

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