af6ef2b918436f6fd0810f019bfd86e05a85f3f14e399c6a65d66750e038a4a7

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 02:02

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General

Target

71273fb5b8205f3aadcf9423a0c51410.pdf
Size

96KB
MD5

71273fb5b8205f3aadcf9423a0c51410
SHA1

f814798845e4d3c4e45b99acde6123ee797f04d8
SHA256

af6ef2b918436f6fd0810f019bfd86e05a85f3f14e399c6a65d66750e038a4a7
SHA512

1bd46fdc0583195d17453fc77c694aa35f077636954aee3f97f25fd88ab3c322c593c2d1b112ccafca014162e49b8b4048d131ac4439206b54adeef8d27c087f
SSDEEP

3072:ISxmP20L8DHH2KsgRTfDHe3olH2seQlSE1:ISxmP28wHHvDD+YlV

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4136 wrote to memory of 4400	4136	AcroRd32.exe	90
PID 4136 wrote to memory of 4400	4136	AcroRd32.exe	90
PID 4136 wrote to memory of 4400	4136	AcroRd32.exe	90
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 3084	4400	RdrCEF.exe	92
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	RdrCEF.exe	91
PID 4400 wrote to memory of 1916	4400	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\71273fb5b8205f3aadcf9423a0c51410.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:4136
- 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:4400
- - 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=714DEF0A6672A01BC531ED54D5D65986 --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=714DEF0A6672A01BC531ED54D5D65986 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1916
- - 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=684FF4C8A19D64DFADAE0EB15EB4C853 --mojo-platform-channel-handle=1620 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3084
- - 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=9F36A09E173FDFE3D0ADB3195C98820F --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:380
- - 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=5492705196957EEA9819B3EE1EDE7264 --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=5492705196957EEA9819B3EE1EDE7264 --renderer-client-id=5 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1116
- - 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=E21902C70EE598288B813DAD037F99F4 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:448
- - 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=0890F7A8FF06BF68B74341F3F05B1859 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2604

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1800

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
e8c583d2644a040daa98b342b9797010

SHA1
36aea387bb66e05fca33d313a5332f32948291c1

SHA256
1e94cdd519f8ee824e110c5212567a8ef479a449e6ce2d1162e6671f62fda0f2

SHA512
cf6e11bdbfb2e88f8da71f20bb69f066e71c23d9430e5256bd51ce3adc3366e1ad0bce18f909919ebf61c222a67fb5067cbe6b7eaaee122af47157e4ff824cd3

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