ffcd25c5d6279d0c3de8c91d55ac49a83d7ccd2bab6c81d976be261a5422d006

Analysis

max time kernel
5s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 22:48

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General

Target

1ef208939e6506a7fd69919377915aa3.pdf
Size

36KB
MD5

1ef208939e6506a7fd69919377915aa3
SHA1

5142b548dbdc927734298f7dca579554665ab383
SHA256

ffcd25c5d6279d0c3de8c91d55ac49a83d7ccd2bab6c81d976be261a5422d006
SHA512

7bb11ef82f1c6cce7f34876917dd876980dbf11610c37ab277fd8672a25f576e843127d517f1b2734473cd52a296afeb868a734d5161669dbd06e4e7550493d3
SSDEEP

768:4s8NatKWSQXfXkR2qBYpiBrU3ms7NOg6T/ivSPC+BZgI/iaT:JyqKWBXkkr4r1s0vuICNsDT

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4468	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 5152	4468	AcroRd32.exe	90
PID 4468 wrote to memory of 5152	4468	AcroRd32.exe	90
PID 4468 wrote to memory of 5152	4468	AcroRd32.exe	90
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 4768	5152	RdrCEF.exe	94
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	RdrCEF.exe	93
PID 5152 wrote to memory of 1204	5152	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\1ef208939e6506a7fd69919377915aa3.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4468
- 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:5152
- - 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=25D7D45FA4BCAFA8118823582F2F7BE4 --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=25D7D45FA4BCAFA8118823582F2F7BE4 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1204
- - 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=73124D6A7F6A0AF90BA09ECE5BD517F4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4768
- - 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=57A2DC4A612C1F2C3BE2D6554989F73B --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4260
- - 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=FD39CA786A01319755A60C6495196B39 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2040
- - 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=60A758C18E9007129236AD0343836D2D --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2412
- - 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=88CBE99833D25A76A9458F15AE4B3E08 --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=88CBE99833D25A76A9458F15AE4B3E08 --renderer-client-id=8 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5116

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5212

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
767e90e2bf380060d948493b8e3e709f

SHA1
8a17939b59b8ba81966e6b07ca0162cf87bcbab1

SHA256
2204bd5e8262f75fc4329a37ee176df14720d29f87277e6990674112a34e5935

SHA512
b430d5383f2507a935c9b5b8c2dfafe3ce4607fdde127ec8c49c6414c045bfee03c4879da8b3bc6613af75eac183e6688107f9f0b053bb7e0bd96762aabe9a4d

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