6422603fb5d849545eb956b6e6ed18f2fb1134401b00a1e94e9c1d7847b579b1

Analysis

max time kernel
142s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 03:46

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General

Target

aaeca52447a14a9fe3e9f3d200e5fc93.pdf
Size

84KB
MD5

aaeca52447a14a9fe3e9f3d200e5fc93
SHA1

4d563804bb2f55aa559fab6bbba8d7548dc96091
SHA256

6422603fb5d849545eb956b6e6ed18f2fb1134401b00a1e94e9c1d7847b579b1
SHA512

e4d2771615af814a2867f020c86f5920ea9da3fc7f8e6ad521333718122b33ef5a8f67e9e0dd814ae17a06c5f64fa54da4ad9e6992f5e038d0424d6642f836a9
SSDEEP

1536:Pdkh6wQ7ruH1xtA8M9Li3KjpSTD449CrGq5yGOzW8pO73WqwM0D8iqnOgKR3/0Ye:VKSieKgSTM49UGq4GOe704Ogi3/Te

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4264	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 3164	4264	AcroRd32.exe	92
PID 4264 wrote to memory of 3164	4264	AcroRd32.exe	92
PID 4264 wrote to memory of 3164	4264	AcroRd32.exe	92
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3392	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94
PID 3164 wrote to memory of 4864	3164	RdrCEF.exe	94

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\aaeca52447a14a9fe3e9f3d200e5fc93.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:4264
- 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:3164
- - 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=A63C813D28B81BCB3C96B21D7D2F4143 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3392
- - 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=E4FD8247CC56A3791566C9C2C7559DBE --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=E4FD8247CC56A3791566C9C2C7559DBE --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    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=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=37F94FD53235DA345CCB37A614F8337B --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3088
- - 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=DA604F747B17B412C1E4912356383FC4 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5020
- - 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=41F5EFEF44ECA07B5CF0B899EAC505B5 --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=41F5EFEF44ECA07B5CF0B899EAC505B5 --renderer-client-id=6 --mojo-platform-channel-handle=2264 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:968
- - 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=A2324EFED51AAA09DA0C1358840E125F --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1648

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3500

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
42a9ae169f0310cc29ebe6dc7f0042c0

SHA1
e155ce5c62cbbdda558b13bba200521dc4039c7e

SHA256
8c04850d09988acc60e5a5c9362a9b9b86c7fbe0487a0611564612d5d1eeb95d

SHA512
c9d8c7af82e78d599016de1abdd34a900ef63b566b1af00de9aef4859a7149552cbefd93fadebf2fb999d138217282733a9f73da1fc04fe3c8746fe2607112ba

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