464b40369c7d9570984b43929bb7475178e8d74a2a03b6ce4d82a3c96df5cf6a

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 03:50

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General

Target
4a5d700232cda9c6f6ade1fe0ec493d2.pdf
Size 94KB
Sample240108-ed2adsafap
SHA256 464b40369c7d9570984b43929bb7475178e8d74a2a03b6ce4d82a3c96df5cf6a
MD5 4a5d700232cda9c6f6ade1fe0ec493d2
SHA1 33f1830c32c191ebfd8054ba4fa6f5e05276ab72
SHA512 3ab9266f5675413301a185c9e95e7d17ec4c79a33a9ce2958dfbedc1b2e4c7e1524ea71615b540f056aecd6ea309df16fabc39972de7df92335a876a33ad7609
SSDEEP 1536:xftTY10ecw0brMvuhfpvA/OY7LLj+XYAsz1sGW5u7zxJWOpOZ7xgRc9:7TYm1rMvGGOY7TmszyrqViZ7xgA
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1352	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 3024	1352	AcroRd32.exe	91
PID 1352 wrote to memory of 3024	1352	AcroRd32.exe	91
PID 1352 wrote to memory of 3024	1352	AcroRd32.exe	91
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 4932	3024	RdrCEF.exe	92
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	RdrCEF.exe	93
PID 3024 wrote to memory of 3320	3024	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\4a5d700232cda9c6f6ade1fe0ec493d2.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:1352
- 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:3024
- - 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=070D12128B936D3FE5D946B06137C3FE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932
- - 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=611AEA6FFDAE0821E3D463F5A25ED214 --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=611AEA6FFDAE0821E3D463F5A25ED214 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3320
- - 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=536237CFB5F97E63014447019CACD95A --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4544
- - 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=7D82F545BFAAE44CE2FE9B6B5BE46B3B --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2252
- - 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=BB1C26B92F355AEB1F22455E25A16C63 --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=BB1C26B92F355AEB1F22455E25A16C63 --renderer-client-id=6 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3324
- - 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=19A4A3F9C02583EC552A06B44C9FAA58 --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3428

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 30226b85cc3b50ff7ac1fff482a9637668f9c27bb314af91e54d657c3668a1bc
MD5 59addf11bfec5189458c5a527cad7bd9
SHA1 9d0e68c8b7849a3f021b1757c7fde13b94990195
SHA512 b37f2b87f3340029c5b59e23c3048bf3fec262e7f16dae53cbe785bfe4c088b6e349e97b72ef7fd217311cbd7dc73873e4555e661eabbc833ef72a7bc1bf2376
SSDEEP 384:yeZdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:w+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
MD5 c26ed30e7d5ab440480838636efc41db
SHA1 c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA512 96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
SSDEEP 192:xedRBsKhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:xe+KhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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memory/1352-28-0x0000000008DE0000-0x0000000008E01000-memory.dmp

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