0af592a100592a433f5b60fa1b15d9f974aea50c6df742c026d74322585558dd

Analysis

max time kernel
146s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2024 07:44

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General

Target

c81472bbdbc0efa9415ce7d4b44025d2.pdf
Size

85KB
MD5

c81472bbdbc0efa9415ce7d4b44025d2
SHA1

5829c31880584695939fc9b9442099da34a26a0e
SHA256

0af592a100592a433f5b60fa1b15d9f974aea50c6df742c026d74322585558dd
SHA512

8b9ea3f1dff384d949753eaf0b9f755f0efed90620fff9350a0395bc69cd38104f5c0d9bbe0c37cab3e8875b876bb62a54865dd0d43dfa2e9f5ae3392bd35bba
SSDEEP

1536:TYyxXt5G3rMQTD6BLyHLPZ4O5lPLky2XNQ94ZK+6/Sp1RmMyBjxu+E:95nxB+H7Z4O5lPV2DZ6/S1AMyBY

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
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3104	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 3508	3104	AcroRd32.exe	95
PID 3104 wrote to memory of 3508	3104	AcroRd32.exe	95
PID 3104 wrote to memory of 3508	3104	AcroRd32.exe	95
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 544	3508	RdrCEF.exe	99
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100
PID 3508 wrote to memory of 2700	3508	RdrCEF.exe	100

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\c81472bbdbc0efa9415ce7d4b44025d2.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:3104
- 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:3508
- - 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=40BE8063DD7B46CA1F18A09E787B98B7 --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=40BE8063DD7B46CA1F18A09E787B98B7 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:544
- - 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=B8165824793E534BBB881414E32CF11C --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2700
- - 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=07F2FDAB9EC9DAAE76532CCB30C9D46E --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=07F2FDAB9EC9DAAE76532CCB30C9D46E --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3312
- - 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=C9A52B6DBD260E0402AF18FD351D3DD5 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2924
- - 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=3A1C236D9502D4B31C31C623121B55D3 --mojo-platform-channel-handle=2072 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2840
- - 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=530512F74692D6CB11880C9EE8FC6BCD --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2716

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2220

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
2dc6f65a8ba440cf70e7baea07b08ac0

SHA1
a8078a777a650bc1297b7412ca21bc66cc40dd29

SHA256
d3d5d09d5a4dbbdbd1f970bc2cde3b4f72a7d0178c7c078517fe338987fb6ec6

SHA512
da21b1f58de4d36d83a4d8ec4bba53a065013706b80cbdfff4e71f2569af3aa6222f2e887e285ffa44d5fc13b7c2f39c3ecf953cebfead654d4e304576792cba

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