7c9d3bca2cde394e482e1fdf82aa457e235ab68cb1e851bfc5a49382d20fff2d

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 23:35

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General

Target

ad24f9d57f3e254563a93ff59296c276.pdf
Size

86KB
MD5

ad24f9d57f3e254563a93ff59296c276
SHA1

d29a21cfa66592ecae40e43870259d916a95745d
SHA256

7c9d3bca2cde394e482e1fdf82aa457e235ab68cb1e851bfc5a49382d20fff2d
SHA512

997dd1868c12fd4150430299fe81244f15ae666416e15eb86e0fa1b798f48a0d9566dcb8e1d9ab6c3ddc667acba0cb85d7470089a533dd88f4ab8d3bb74f00c6
SSDEEP

1536:mmPx2QCXgY/M9isAl8qlyEabCOsF1Jy+CpKvqP8x0+SWapOtQff1oKUWxlkxfZt:zJ4XgY/M9isAl8YyEabCOsF1JyjidxfR

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4344	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4344 wrote to memory of 4772	4344	AcroRd32.exe	91
PID 4344 wrote to memory of 4772	4344	AcroRd32.exe	91
PID 4344 wrote to memory of 4772	4344	AcroRd32.exe	91
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 3984	4772	RdrCEF.exe	92
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	RdrCEF.exe	93
PID 4772 wrote to memory of 4668	4772	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\ad24f9d57f3e254563a93ff59296c276.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:4344
- 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:4772
- - 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=6D4543765608F106B87B62B681EAA379 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3984
- - 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=0060D3EFB2271CCE4A1F00B549CCC307 --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=0060D3EFB2271CCE4A1F00B549CCC307 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4668
- - 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=B77FE21048C11D0E0BC228D4B9E6916A --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=B77FE21048C11D0E0BC228D4B9E6916A --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2032
- - 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=793EC28A88A1F9F790718CE770D4DA77 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4036
- - 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=AE6E3E43A0CA22CBACF387384FB9D411 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4504
- - 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=7729E8AE4CC702F497BEE200279D1DF6 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2804

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3176

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
537392d5b688f82f02ae6c7f77d7782b

SHA1
eb0c1277992330d0b5aadaca8e549fbcc764bc50

SHA256
19dd8215c88408b2774e58432845b575fcc25b83b3e801b6bcdc4b79b07c056e

SHA512
8445538e869942b9d84cb5984da72204d032543b08e69ca48b21b9aee419c2a76047d153d0277c96e87f224f6a0a63b09c2e8b538a30fb5d9dee60db6e2d6263

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