02ad0b6b98e25354de234557f05f93feb9d936cc509746d9463a7c5d93ece5c3

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 08:49

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General

Target

76ea07530f8b9b7a8214364c5aa91295.pdf
Size

99KB
MD5

76ea07530f8b9b7a8214364c5aa91295
SHA1

c054a0f33e74700ef19619e82a9bab261b1bf2e1
SHA256

02ad0b6b98e25354de234557f05f93feb9d936cc509746d9463a7c5d93ece5c3
SHA512

3c375919a9dc2adf6627f36944148565fc386bbebb43be4b74f556948e63587509a2cd837cdac99cceccbfa1c53a489011f47c6c0795980460cd724d2a53dcbb
SSDEEP

3072:YbHoISRec9HgWjpY6nNOcu1NPolB7KOYq39w/:Y5SAIHpprnNVhB7KyK

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe
3820	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3820 wrote to memory of 3240	3820	AcroRd32.exe	92
PID 3820 wrote to memory of 3240	3820	AcroRd32.exe	92
PID 3820 wrote to memory of 3240	3820	AcroRd32.exe	92
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 568	3240	RdrCEF.exe	94
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95
PID 3240 wrote to memory of 3972	3240	RdrCEF.exe	95

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\76ea07530f8b9b7a8214364c5aa91295.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:3820
- 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:3240
- - 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=EA4C6BD521B187B132DA34501ECF6F2A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:568
- - 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=5C0DBABF907712406CB041BA167741D7 --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=5C0DBABF907712406CB041BA167741D7 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3972
- - 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=D017063A065B5C6D57E013B9FB20BD5B --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1964
- - 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=BC92416E96E57B3C9D70B784D4599731 --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=BC92416E96E57B3C9D70B784D4599731 --renderer-client-id=5 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2860
- - 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=5F11523C13C0EFEFE1213EE555D4BD0C --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1912
- - 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=F46CF6F6FC8831D3E3AF3911A1F9BEB8 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4992

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
8c3c0ba66f5fd358e96ea8cd01ba7182

SHA1
ab668c0262e4c177edab642b305539ab44c460d7

SHA256
800b0432669fb7c2bb53ece0d4ef9e2debb73a7c8309c31ef4f04b01cd3f39fd

SHA512
519974389f98853da3d4110bf5591bf859dc7de6cce4e3ec26b667bbe43764cd4c90cbef3209a9f5585b71559d689aa4a04d9f07b6e8d6dacdcb7bf6fda2e756

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