238171a4ab9cb202fb4143135e3d6532101b0e8ba5ecd227d42e31b44635ad7b

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 13:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

998f294a6f3e792d86a2ec47c5a2484c.pdf
Size

78KB
MD5

998f294a6f3e792d86a2ec47c5a2484c
SHA1

c4f5311209283f90b1735cf598856cefb0eaba45
SHA256

238171a4ab9cb202fb4143135e3d6532101b0e8ba5ecd227d42e31b44635ad7b
SHA512

2d657ede3701a195bb0dec990da0df4eacedd2f2e050a3596a024d39a3c96bf2960a621eb1086f16a9a5960f2007fb460b9734286bea34267c3df351ae92628e
SSDEEP

1536:laUnNPqQNiMoNolp6JpYDJ/FydAI4asIWtm46atiyuPxW6pOu2yiu0AT:fZRca9Fydg9mBatiyaSu2I/

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 1624	1712	AcroRd32.exe	89
PID 1712 wrote to memory of 1624	1712	AcroRd32.exe	89
PID 1712 wrote to memory of 1624	1712	AcroRd32.exe	89
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 1656	1624	RdrCEF.exe	90
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91
PID 1624 wrote to memory of 2284	1624	RdrCEF.exe	91

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\998f294a6f3e792d86a2ec47c5a2484c.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:1712
- 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:1624
- - 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=052EAAFAF3266437D5212AE4E757F42D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1656
- - 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=DBDAFCA7EC85757A886F687238F4C6C0 --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=DBDAFCA7EC85757A886F687238F4C6C0 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2284
- - 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=09C61799D4A7E6137C08BE5C8DD4494A --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4756
- - 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=027FCCBA8AD12227F1D5F9C65D321E46 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1888
- - 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=F4847DD73DE8FFF2D7FC23B451233525 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2352
- - 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=C56F32C04C9C9117A58C3A372B827328 --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=C56F32C04C9C9117A58C3A372B827328 --renderer-client-id=7 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1056

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:116

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
95346dddeb01111bad8c3f979616b78d

SHA1
f31fb30c358379652dbb2cb89f724afa6ef721d3

SHA256
96a20729ad12cb8639874166d1c8289e11e7e18774c6c68dfd01f3f9e94639fa

SHA512
084a4b2325672bd588943c323a6d16c96616d739db113592d3dfe04035bebd726638c2084d91dcacc42497b7da10b3483f88e445a1c99060aa6b945499415844

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