50da95705e391906305a93f950641d30cbfdcc8dcc71b771a09b1a8ff0a5fbcd

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 22:32

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General

Target

73059f23b49c027f6e92ff365d626a08.pdf
Size

13KB
MD5

73059f23b49c027f6e92ff365d626a08
SHA1

63dd5ea5bdc416b8a2880ad1454eaa1e2f0d9efa
SHA256

50da95705e391906305a93f950641d30cbfdcc8dcc71b771a09b1a8ff0a5fbcd
SHA512

c8e7dd145e7434f0a499e6e1941051e5d599de5a711b976363e52d9239d7ea925d2ea7440c2a5c48d29be73644b338c608c672f8a6ce211160f67065007fd0e4
SSDEEP

384:OhzaNwAO9GiCHZLJ0ZhrrY1Qi/60G7wuj:ehZGiMJ0DrEQC6dwy

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5056	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 3348	5056	AcroRd32.exe	93
PID 5056 wrote to memory of 3348	5056	AcroRd32.exe	93
PID 5056 wrote to memory of 3348	5056	AcroRd32.exe	93
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 4532	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	RdrCEF.exe	94
PID 3348 wrote to memory of 2188	3348	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\73059f23b49c027f6e92ff365d626a08.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:5056
- 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:3348
- - 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=F5ECB10D9ADC812519EF0DB07B9B95B1 --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=F5ECB10D9ADC812519EF0DB07B9B95B1 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2188
- - 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=063E81C3D6F008492B3330240C0B5229 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4532
- - 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=787A515FF9C4159012D3E1EDE8FC2A94 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:60
- - 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=E6747EBD9EA315648ECFA78E83CFE512 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1932
- - 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=723F6F0DCE60AD903C14298F453D0E42 --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=723F6F0DCE60AD903C14298F453D0E42 --renderer-client-id=6 --mojo-platform-channel-handle=2204 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4944
- - 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=672AEF1045954033D4875DD2E34689CB --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2580

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:8

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
1a20b843aad18f72817d757fb11d3c5a

SHA1
98ad7033ef15c369a899071136a883f7a8a18b69

SHA256
19336e38e50a6a619e144e98667d0860c8451de45eb2c6d5bf9b421a603f6212

SHA512
147db284707f016573c521664b4c7e513afc86e614d7a2d69c5aa08a0624af92a8adc465ea8c5bd4a58d9ce16592a265093c28aa833812fab2c59894bd1670d1

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