400eca514508d165a41ea3004a4308ce9cc1bccead59c70c57f365b78e838f82

Analysis

max time kernel
142s
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
01/02/2024, 09:04

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General

Target

867c2558cb285709b127d121fd8ecbf3.pdf
Size

75KB
MD5

867c2558cb285709b127d121fd8ecbf3
SHA1

d15b1d83a5372eabd44e286a77cc85b16bc9c6f4
SHA256

400eca514508d165a41ea3004a4308ce9cc1bccead59c70c57f365b78e838f82
SHA512

8066e6f15d4fbc03879dc0c66bfc6c1ad65a5848b49b1027acbc52059328003951061fd86a0e26874390216e29387c35723aa663cb6ba4160127688cd92733e4
SSDEEP

1536:4l3PnThtlxoiH5oAEW3SxvyUuK7N3HhyLRVJjNZYnyPE3e:WPn7lu9WgKUuKNBy/JJ+nyPt

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
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 3176	1544	AcroRd32.exe	90
PID 1544 wrote to memory of 3176	1544	AcroRd32.exe	90
PID 1544 wrote to memory of 3176	1544	AcroRd32.exe	90
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 3192	3176	RdrCEF.exe	94
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93
PID 3176 wrote to memory of 1400	3176	RdrCEF.exe	93

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\867c2558cb285709b127d121fd8ecbf3.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:1544
- 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:3176
- - 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=CE51E35ED5226176FF69CD7AF83D05D2 --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=CE51E35ED5226176FF69CD7AF83D05D2 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1400
- - 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=567BAD3F22FF4432E831D97873E14365 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3192
- - 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=95FB05D7CF1A6894B336AB500A2B5B13 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:548
- - 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=F49FE7F6CD15587BB25748024E65A723 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2980
- - 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=B8A29DF2DEA29BBAD30811FE7BC69611 --mojo-platform-channel-handle=2492 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:540
- - 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=C2F7CBB60994B8020DD7BD701FB01C74 --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=C2F7CBB60994B8020DD7BD701FB01C74 --renderer-client-id=7 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5048

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4048

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
34KB

MD5
0a92bb30a5ce48299323166b3eababbf

SHA1
18fd9bb638aa131ff201da6535a0653956c69d20

SHA256
ce0d9e670b7305b1c0f304637677cc8435f49bd613dd17438ded87ef1013a775

SHA512
0145505048edab2569e5049de62be2f51fc726c599743e5292c50e5a573ec9ab83633bf0cf28868e6ad5008f9398d2e9906004c29f0373baf0a93de49db69b1c

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/1544-28-0x000000000B960000-0x000000000B981000-memory.dmp

Filesize
132KB

Download