7f42fb22b3d8be0a52379b54e771e7990212d10cce40bd90ec5ba76fd349999e

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12-03-2024 08:49

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General

Target

c2f33a72289d9916b77bb087ca9dfcda.pdf
Size

73KB
MD5

c2f33a72289d9916b77bb087ca9dfcda
SHA1

0e104fa6353fb054989aafac9a877ad2f43c3e65
SHA256

7f42fb22b3d8be0a52379b54e771e7990212d10cce40bd90ec5ba76fd349999e
SHA512

6104095a3d4435e09f76748f5164d14a018e6bb4053e46826ff5fb5d3fb861e8c72deef7977e6c5e473e1b405429e9b7a7fc4c2d94a80a04f2542315e39ea10e
SSDEEP

1536:vJSywYwBKQx6cg4JUa2A8RHrnzxBSBPCoOHK6a:hSywYwK86c2A8pxgsoOza

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4140	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 4004	4140	AcroRd32.exe	95
PID 4140 wrote to memory of 4004	4140	AcroRd32.exe	95
PID 4140 wrote to memory of 4004	4140	AcroRd32.exe	95
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1948	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	RdrCEF.exe	97
PID 4004 wrote to memory of 1784	4004	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\c2f33a72289d9916b77bb087ca9dfcda.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:4140
- 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:4004
- - 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=052AF61C80923863C1E296D5DCFC7D43 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1948
- - 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=667CAE26E8757C1C51B657784DA0A8EB --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=667CAE26E8757C1C51B657784DA0A8EB --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1784
- - 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=B622A669DD6C2F5A868F01A797BCF12F --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=B622A669DD6C2F5A868F01A797BCF12F --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3432
- - 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=C0A4C3474F8780BC40222782EDE33C25 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4396
- - 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=983B882C922291B69236C0B02231AC15 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948
- - 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=CF7768E7B69C4FB1F2B35E5796E1138B --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4352

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3364

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
5acd7b409ffedc2fdc0c052c0328522c

SHA1
f3345d703ab01cf6b6fe6a6d80b0833e5ecb785f

SHA256
e793ca76caaca2d49a441deeb0634306820c1c61b31e4ae957c5ff1060588e78

SHA512
dda66ab1e714be833da23f620997545929fc1a8dab3a60d28cde074b72d8de9a77649e7f02146a4b3c0fca8b7847c81718b49514f661f4ea523474a3d7b3f3f4

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