073e00a6579ee7fd92bad65def75f27f8d44ad097b80042c2356b8931a62702a

Analysis

max time kernel
149s
max time network
149s
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, 22:55

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General

Target

cc77cc3f83a6575fa44e4ab5a281b488.pdf
Size

82KB
MD5

cc77cc3f83a6575fa44e4ab5a281b488
SHA1

b2b97e6d0710144cfde1588d31edd0c5ff219772
SHA256

073e00a6579ee7fd92bad65def75f27f8d44ad097b80042c2356b8931a62702a
SHA512

c9dc3019f09b50cc02cc69a72bca683a567796b9feb553d3309566508f64bb3fd0e8a333181d651ad1ee0726e51293b751fac5982e3c20133c20d53bfabb9cce
SSDEEP

1536:GBfsj1nP4Jx1FdZjXy9QbavylNv8y5YWD+B2q8WhJifc7HGiinLVUF9WjmXmG:IWxMh29fq72WZaJijiinZUF9WjmX

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 1764	3444	AcroRd32.exe	95
PID 3444 wrote to memory of 1764	3444	AcroRd32.exe	95
PID 3444 wrote to memory of 1764	3444	AcroRd32.exe	95
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 1620	1764	RdrCEF.exe	96
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97
PID 1764 wrote to memory of 3996	1764	RdrCEF.exe	97

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\cc77cc3f83a6575fa44e4ab5a281b488.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:3444
- 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:1764
- - 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=741D746BE8925FC419B5DA08B3727D00 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1620
- - 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=9DEBBA38CD19276ECAA197254F05C7EE --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=9DEBBA38CD19276ECAA197254F05C7EE --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3996
- - 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=E8FD37341683D2EE4CC410D916A0D02A --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1696
- - 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=8194AB4681EF02EA43B283725211FCE6 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1704
- - 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=73CB8AD1E3E355CDC1876BE86B056413 --mojo-platform-channel-handle=2212 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2996
- - 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=C777E42BAB481F7CCA714584997E6682 --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=C777E42BAB481F7CCA714584997E6682 --renderer-client-id=7 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4440

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4820

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
2c65a823a293fe0a08efc559d53baafc

SHA1
490510faf8234fd0bf035abc77c3e3e873c483cc

SHA256
6d66e3c87cdefa1c8b2ab46e93bd3162f91be969c52f4387926d6c8eb4aa0957

SHA512
308cbff8c2ae0b2eed09cad3d701d7d676bea8c5da3bac348c31a40dd56b8e22620b4ec0a5e2b99a01575e65d516dd24b47d903a617114b688506c4504f55dce

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
memory/3444-26-0x000000000B670000-0x000000000B6C0000-memory.dmp

Filesize
320KB

Download