3e9a17dbede0071444861f4c39f22e71be76c2ca99cfffc16c9d14402244e685

Analysis

max time kernel
141s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 11:23

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General

Target

134701a803d26265d25c381464585d0b.pdf
Size

35KB
MD5

134701a803d26265d25c381464585d0b
SHA1

38aee73d5a3dfe4eb22257fc294f299c6e4ffc02
SHA256

3e9a17dbede0071444861f4c39f22e71be76c2ca99cfffc16c9d14402244e685
SHA512

52a7b7acaac1753a67a7270aa6b010ddb1005259941d939a5bee5bfac978b890fc0e6afdfd85bc55308a6adc2d3fce968ca74cf67caa85b71171f3905288c931
SSDEEP

768:ffRolLwBxf67JYzv9TIcDFMHDs4LRyciHKS8TpqbOn/dswQb/ZM+D:fTYcccGpq2iJDS+D

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1696	2556	AcroRd32.exe	93
PID 2556 wrote to memory of 1696	2556	AcroRd32.exe	93
PID 2556 wrote to memory of 1696	2556	AcroRd32.exe	93
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4060	1696	RdrCEF.exe	94
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 4800	1696	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\134701a803d26265d25c381464585d0b.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:2556
- 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: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=B964373FA52FF82A49B6BBAD74F36DEE --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4060
- - 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=17ABC0712D8041AD987E4F0E45C890CA --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=17ABC0712D8041AD987E4F0E45C890CA --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4800
- - 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=A5F67C2BFB4338E4B3E7A7EBF38793D2 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3528
- - 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=B5F63EF31671CC025291530890E0AFFC --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2376
- - 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=20C1A31F83E46BC875C8A9DB14A716C9 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1272
- - 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=B8649A01E699B86D9A1019784E92C267 --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=B8649A01E699B86D9A1019784E92C267 --renderer-client-id=8 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4428

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1624

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
755a7abc4e747b3f986229ebae3cbe3b

SHA1
b12756208250776cc210486b99939919b649e3b3

SHA256
25c12c887b75c0141be02dd0395014605ac70303782e319954bf418ced7dd354

SHA512
7a89c2d030e0e611817066ace60b1bb51888c6e0772b9cb85046e2431a3f936231f2082f0a2d14e8babdea44ccebcd2901b9735030b18e7979b7b14ef12cdb8e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit