2be9ab0b36da7cbac034522835fa4225e034b7b1cea367bf20bea011743e0204

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 03:20

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General

Target
ca59e5d849ba4d7ff6d24fcad27a639f.pdf
Size 45KB
Sample240315-dvv92ahc33
SHA256 2be9ab0b36da7cbac034522835fa4225e034b7b1cea367bf20bea011743e0204
MD5 ca59e5d849ba4d7ff6d24fcad27a639f
SHA1 5bb1ecb5eaa39eb2c806ba3dab6d8aa69b8be207
SHA512 2c19dc81f1709365dc6aa4ee7b05f80bf2c9604554401039499ce363aa2c254f4031e5caab6f3291fa3688bfeab62ef894439c687524dc7f5333ce9d52d8c1f9
SSDEEP 768:nMTqFX+U60exEGng7hMSR4c5kCBtAVljU1lHZtpLed8Lv8wtPNUbu:nWX0CMTSwyiFZtpe88whNUbu
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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
944	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe
944	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 1844	944	AcroRd32.exe	104
PID 944 wrote to memory of 1844	944	AcroRd32.exe	104
PID 944 wrote to memory of 1844	944	AcroRd32.exe	104
PID 944 wrote to memory of 1072	944	AcroRd32.exe	107
PID 944 wrote to memory of 1072	944	AcroRd32.exe	107
PID 944 wrote to memory of 1072	944	AcroRd32.exe	107
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 1616	1844	RdrCEF.exe	109
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110
PID 1844 wrote to memory of 4820	1844	RdrCEF.exe	110

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\ca59e5d849ba4d7ff6d24fcad27a639f.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:944
- 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:1844
- - 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=99519DF6DD7C3FEBF6F282A93E7B6CE6 --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=99519DF6DD7C3FEBF6F282A93E7B6CE6 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1616
- - 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=BCCB80CD1FB8EA7BBCBDEDAD0A7772D0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4820
- - 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=FA8162EBC7BC4C62DA11698C7CE09443 --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=FA8162EBC7BC4C62DA11698C7CE09443 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:916
- - 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=B572F61B3DD877589B77A1E5DC589C6D --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4892
- - 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=411E03ACA1D73D39EC27B6595D485870 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5216
- - 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=B748C1F8E12521FC449A62D52F28D3E9 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5304
- 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⤵
  PID:1072

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4216

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:1776

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 2ad20dee4b06aa0033ebeffd5851082adf4a315d987c14879e5764299dfbb1e1
MD5 b69bd4f621021ae8032645ff6932b1a0
SHA1 07306631edf043cf48f8d1376c4ebdf960309414
SHA512 5f50ed23ce760d7a412997bae2eabbf050dfcac8696a1cd9086ecaa85cc6d913585041453d80d5d7adeb262916f9b98e609e650e3f2dd3b3441e069c50e19a47
SSDEEP 384:yeMdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:v+elZsLQCZsL3hUS4
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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