2ab01a17c3f50c9a28980b2861cc185a147b44cc711923f45fda723bd097c960

Analysis

max time kernel
154s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 02:31

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General

Target

248c1cc61cf8d443b53c5a6b201f1665.pdf
Size

84KB
MD5

248c1cc61cf8d443b53c5a6b201f1665
SHA1

e9c889c0cd96b7b9e64e6d8645701864e2eea8c6
SHA256

2ab01a17c3f50c9a28980b2861cc185a147b44cc711923f45fda723bd097c960
SHA512

016df995017fb49da9312838166d61d1f7c9fc79a851b55e405c8638fc547844caae284556fdb5e0ecbcc82eb21ddde9d0d6a814bd0821468afff274ddb169ae
SSDEEP

1536:TYAq4ODW5wevKo8f0OqWJUG8tf21ybelrxWWkNpOPaWrfW+2whGex:ngDIKo8f0Ohku11lrZP9W+2eT

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 3936	4992	AcroRd32.exe	95
PID 4992 wrote to memory of 3936	4992	AcroRd32.exe	95
PID 4992 wrote to memory of 3936	4992	AcroRd32.exe	95
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 704	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99
PID 3936 wrote to memory of 4728	3936	RdrCEF.exe	99

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\248c1cc61cf8d443b53c5a6b201f1665.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:4992
- 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:3936
- - 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=55C2FF580FEA337A7132419FCF21F5D8 --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=55C2FF580FEA337A7132419FCF21F5D8 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:704
- - 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=A0D473967570640F042EA4F5E349E899 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4728
- - 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=41D5CA8BCA1E1BB8725EE168E280EAEB --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=41D5CA8BCA1E1BB8725EE168E280EAEB --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2072
- - 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=8F3445405AEE53834F77EFF63E462D14 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3752
- - 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=68CCF7D9AA4045175A9A25F63F1EAF1A --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4176
- - 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=18A00E05E793F9EC59BC0AE71FD23B96 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3612

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3208

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

Windows 7 deprecation

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