23d811d2a245c64fcbaa6a3c056bb84c07c6916369dabb8ca954892872bfc36b

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 06:19

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General

Target

5a808e6212c0fca628aafcad3bd13f5d.pdf
Size

88KB
MD5

5a808e6212c0fca628aafcad3bd13f5d
SHA1

e91add3fb63cdce9cd4bb945ba3ce7541ffc3260
SHA256

23d811d2a245c64fcbaa6a3c056bb84c07c6916369dabb8ca954892872bfc36b
SHA512

07e95cc450c9944ccec7b491968b54c9667e6d6a0fa16bd7b673f1e61650c7b1e5fefbbc48b9987d306e777c92b88bdf5f5510a85bf31d7ecef6880b3b580d77
SSDEEP

1536:YNlHdtgOb8kWiUWjBqrrB9q/8oEXCVP8SV0ME2vvdLEuWxApOGzWSlYCFAk5UPd:8JcOokWjeBqrrB9a8oYCVPTSMEMvdLEd

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
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1988	1956	AcroRd32.exe	92
PID 1956 wrote to memory of 1988	1956	AcroRd32.exe	92
PID 1956 wrote to memory of 1988	1956	AcroRd32.exe	92
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 964	1988	RdrCEF.exe	93
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94
PID 1988 wrote to memory of 4108	1988	RdrCEF.exe	94

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\5a808e6212c0fca628aafcad3bd13f5d.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:1956
- 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:1988
- - 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=C7E09E454A1F15BBC202D140D73770AC --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:964
- - 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=CADBCBB189212CD89616DE277D699EC8 --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=CADBCBB189212CD89616DE277D699EC8 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4108
- - 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=5276D3E75828A53D1AB2AF7D463FB3BB --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=5276D3E75828A53D1AB2AF7D463FB3BB --renderer-client-id=4 --mojo-platform-channel-handle=2272 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:848
- - 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=863A814882A40D3511068EBE180E4EE5 --mojo-platform-channel-handle=2548 --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=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=B651E7AD9136E10346797FCECEC89C08 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2668
- - 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=2AB76431D07C1C84064E43A8E08BF8B4 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3080

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:772

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
64KB

MD5
85f089c31c05c4402e2bfc06cfa947c4

SHA1
b07b7fe50d8b5d767d2ddfcf22fa0f0c7437c913

SHA256
acc6a14fe6c2da2fc809387625b7c2475ed3f163006474d2b9f99357dc93dbf2

SHA512
79a9f291c2d8b3a38d296de6c0effdd78fc8f626f939489927adca2c11d47025d9e4fa44517505c50ecbfef7ba9df457761daf16b8ca3b3e83e2cd83b104de2c

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