3f2e35d0364139d05e4d0617dff1b090358eb5eaa6c264192e839e5119580ec8

Analysis

max time kernel
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 21:29

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General

Target

1d07dd9581ee3a37e54cc573e82735fe.pdf
Size

111KB
MD5

1d07dd9581ee3a37e54cc573e82735fe
SHA1

e559db3a5506bcc372539c45c3b6924f477f8faf
SHA256

3f2e35d0364139d05e4d0617dff1b090358eb5eaa6c264192e839e5119580ec8
SHA512

b1bd0d712e488b12bc566c9f9a43cfb0076ea414e9f78e637c07b677dfc2e8f0ebdf855955e2a8e6a7917ad037fa8106b00360018463b2e23fd1f8101eadef45
SSDEEP

1536:RkjgWo3BBwTaARf7p/4EhHABJiiaikUEUuMJTg3ChQP09TsLzhXNk6nw6EOqzEMd:gghIz9Z4MgBUxik8tek3OqYMkiESh

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4536	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 3656	4536	AcroRd32.exe	91
PID 4536 wrote to memory of 3656	4536	AcroRd32.exe	91
PID 4536 wrote to memory of 3656	4536	AcroRd32.exe	91
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1348	3656	RdrCEF.exe	92
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	RdrCEF.exe	93
PID 3656 wrote to memory of 1564	3656	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\1d07dd9581ee3a37e54cc573e82735fe.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:4536
- 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:3656
- - 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=E56EC81FAAA8CAC7927D22783E1B43A5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1348
- - 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=B6792E487A0A72E2EE2CB450020CF54D --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=B6792E487A0A72E2EE2CB450020CF54D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1564
- - 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=5CDBED89BA4D0EF021C56694D632B228 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=456E0375B86E858C6C24E3C712E79C63 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1732
- - 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=97484AFD8D3AA0CDFEBBB290C3DA3593 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:968
- - 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=86818CC4271D56FCB30918B1C70AC9F0 --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=86818CC4271D56FCB30918B1C70AC9F0 --renderer-client-id=7 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4776

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3520

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
0e3a9bd3f0a365572f490e34e62b6507

SHA1
4c89fa7da937ba48515a26fde40831c79357785f

SHA256
155c7c4f104fc3f34cb6724c790c9350d8708c4b9d7a9724a03ee6c744b18687

SHA512
80fde6efb5124577836e2da9430973170f6bccbb135adff43dcb222444251be7154bb3a581f827f6ed8680f018ddbe31a364081a6a61af23bc7160d867048089

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