460ccf739a7defe281e3075a82a830a6c5f18cbf548dbc611a5037139e57b83a

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14-02-2024 02:04

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General

Target

9a7c539f5d78f5317c932bb4a64f12dd.pdf
Size

151KB
MD5

9a7c539f5d78f5317c932bb4a64f12dd
SHA1

0eed05b712bbf9f723e11e5d9d2d913296529385
SHA256

460ccf739a7defe281e3075a82a830a6c5f18cbf548dbc611a5037139e57b83a
SHA512

d1962e4a76e2ee3ebe95c924d78a2febee2ba608513c345568a1600bdd065ce20f5263398dc716ef837f99256b8f6b3c980b1c507be2baf3869830d351ef48cb
SSDEEP

3072:H2ss+SG9n6qTCeRUGS4gJH0CKMzvLyWYsJnceOWhsn59nU:H2sOGgHeRUGhaH02zvLyWYsJncY

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4676	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 4420	4676	AcroRd32.exe	83
PID 4676 wrote to memory of 4420	4676	AcroRd32.exe	83
PID 4676 wrote to memory of 4420	4676	AcroRd32.exe	83
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 412	4420	RdrCEF.exe	84
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 4224	4420	RdrCEF.exe	85

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\9a7c539f5d78f5317c932bb4a64f12dd.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:4676
- 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:4420
- - 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=8CFF7A849FBE78F36FED11811A28568D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:412
- - 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=EC98D6407167F4942DD269B8B698DAC1 --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=EC98D6407167F4942DD269B8B698DAC1 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4224
- - 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=6CCC90469D64119C711369095073D336 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1280
- - 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=0908F3F0776C575D16303F870D293B25 --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=0908F3F0776C575D16303F870D293B25 --renderer-client-id=5 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4964
- - 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=BEEDBB6DE0776635542AF09EAD6DCD4F --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1608
- - 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=A569B455F830CDEF36CFACE3C16ABA74 --mojo-platform-channel-handle=2000 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3136

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
d9e704fcca83ddea9c1faee7b96f8c97

SHA1
2fb78956fe74ed0c39a5457f0f8c23088f2c12cf

SHA256
3d445df3c7ebe68ee0441226054fd4f7f6757e4f46170b06a80814eecdbcb81e

SHA512
c1dcdd251b4418070ae24025dce00b031ec58e3d27a419a2d1cfac44d5f2eb92b73aee5758f8411c6f84f954c3117cce686c148dfa57e906d18f6e9cd65b4055

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