a9deb95af0bf11f7e228f32231ffc15635dd57dc960243ea95cf15d6f7801698

Analysis

max time kernel
165s
max time network
173s
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, 12:22

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General

Target

be975e28e5062c9ebbecdcafa7d51552.pdf
Size

68KB
MD5

be975e28e5062c9ebbecdcafa7d51552
SHA1

97dfb1e85398ec72c38b3ce9cdc197885f9823ae
SHA256

a9deb95af0bf11f7e228f32231ffc15635dd57dc960243ea95cf15d6f7801698
SHA512

e87b3758ba32f76246a172b27f2985acadd88ee0d50e311d2f0c742b65779be83f2ca84b479f727f997ab4cf8354d6b9bf9061bacd29d8da763b01a8f0a9b8d5
SSDEEP

1536:uIuNgX17hs7xIIIjLoOsJmWfjgV6MNYz0msBzITmLKy:ANgQxIjELJR7kiz0NBMSP

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1300	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe
1300	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 4072	1300	AcroRd32.exe	90
PID 1300 wrote to memory of 4072	1300	AcroRd32.exe	90
PID 1300 wrote to memory of 4072	1300	AcroRd32.exe	90
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 1136	4072	RdrCEF.exe	91
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92
PID 4072 wrote to memory of 3776	4072	RdrCEF.exe	92

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\be975e28e5062c9ebbecdcafa7d51552.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:1300
- 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:4072
- - 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=BA47F7635F3D8AF73EA44A64A7AA4305 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1136
- - 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=246CB10773682C97DF75F44D0EA88386 --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=246CB10773682C97DF75F44D0EA88386 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3776
- - 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=9C2243B634E658C30788236B043CA3FA --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=9C2243B634E658C30788236B043CA3FA --renderer-client-id=4 --mojo-platform-channel-handle=2052 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1980
- - 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=577D1B876F61AEE2FE7034DD326E1842 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3996
- - 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=066F8D2FC04D1770595AA0E601938E08 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4920
- - 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=C9CEEE2772E8E133F0908BC6B44B6493 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2700

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4624

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
89a744c21da376ed11a81d55e4f6ed23

SHA1
882a87d3df33963f61dda938f4be276e13d5c83b

SHA256
9d683d153be464b08429f18ae989c917c00ef7c3b82721e38aa0ee6e8c20787f

SHA512
ffc2dfede57bb937feadb748a6707d863cb489b43d58699b8dea7fcdc92cda680537ac595807d31eee3fa2b654b49abd7e9dddf39a11ee603cf5a9cea0943bc9

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