821d4c9728f0c8cfe2e30f7c9ef68511a5670336a7039a3b9ad81718777b2c31

Analysis

max time kernel
148s
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
24/01/2024, 12:14

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General

Target

7236897c9029f0e790f79c589545240d.pdf
Size

34KB
MD5

7236897c9029f0e790f79c589545240d
SHA1

7fe2ccaa8565c10dae5b7d685221ab933341a3f8
SHA256

821d4c9728f0c8cfe2e30f7c9ef68511a5670336a7039a3b9ad81718777b2c31
SHA512

2d827990a44b66b5a23323f9a30e6dd3a1da5e90b0251d1abd4937bfdf11944485fadf8f469e43e4ddf8def27aa37767a3a24687d28424cc52d1fd751c5d6089
SSDEEP

768:ugJY/MMqZsngOp8otgpjbuA2oYHz+iYrdC/N:Ve/OHMBiyA2/N

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
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4120	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 5076	4120	AcroRd32.exe	94
PID 4120 wrote to memory of 5076	4120	AcroRd32.exe	94
PID 4120 wrote to memory of 5076	4120	AcroRd32.exe	94
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 4556	5076	RdrCEF.exe	95
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96
PID 5076 wrote to memory of 2080	5076	RdrCEF.exe	96

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\7236897c9029f0e790f79c589545240d.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:4120
- 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:5076
- - 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=2D6C4D6A0D5B2A56A4EEDBB5A2E5A92D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4556
- - 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=8805B87008742CF5F70E6D1D1F453A0E --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=8805B87008742CF5F70E6D1D1F453A0E --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2080
- - 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=DB4371F36C2E97439675E82365D4334C --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3636
- - 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=C67D74A015E2BF2D3EBB15A5FA30630C --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3100
- - 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=2668D39FBAC3707CBE5879ADB0894F18 --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=2668D39FBAC3707CBE5879ADB0894F18 --renderer-client-id=6 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3520
- - 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=D96815D42703BB627703FE51BF6B5FBF --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3980

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
4148769ed6cbb1ce34d9a4becaf42a23

SHA1
da549ac40fe224950e838933e00727d7ca8bf7f9

SHA256
1dd635529cf1e037e263a9f0b876dddcd3d5fee5e6287cae4334e4e1bdecb833

SHA512
661327893697183946562de2c92de48824b1437f2b2ad91748f1e67d37037482f62bf663695e4b02f6d83744bde1f94a45b2222fa9bdd78f6bddff43ff7d64fe

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