4de3bec95fd86ea37048290fdc731adb3643e261ea4d8fc531630503bcb72817

Analysis

max time kernel
591s
max time network
489s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
11-04-2023 18:37

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General

Target

ComplaintApril_2062940491.pdf
Size

96KB
MD5

6b149b337ebe0e4bce5dd824b1604d58
SHA1

910b670310bcf0d36eab869c7511a7b6f7d43755
SHA256

4de3bec95fd86ea37048290fdc731adb3643e261ea4d8fc531630503bcb72817
SHA512

f78386e5203b6ed2461e2df72782d0813ed6177667712841518b605909c2aec8e6bbc61a9f83ac9712081ee9a7ab64dfb926ad9916ab646caa793eebfb55e40a
SSDEEP

1536:4xXXntZxqy+eZVijtkGZD00aMx9jQjswe3zD2LayQL5Xh0e3JvEU:CjPZojt9a0n07k5Xd1EU

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-1-5-21-1311743041-1167936498-546579926-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2264	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2864	2264	AcroRd32.exe	66
PID 2264 wrote to memory of 2864	2264	AcroRd32.exe	66
PID 2264 wrote to memory of 2864	2264	AcroRd32.exe	66
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 1020	2864	RdrCEF.exe	67
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68
PID 2864 wrote to memory of 4740	2864	RdrCEF.exe	68

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\ComplaintApril_2062940491.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:2264
- 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:2864
- - 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=4554E19E82125CA3F1A140F58F6215E8 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1020
- - 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=13265DFACDA9A4D11C1FD80E124BA157 --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=2 --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=13265DFACDA9A4D11C1FD80E124BA157 --renderer-client-id=2 --mojo-platform-channel-handle=1640 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4740
- - 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=851CCE380174997B96F31B74A814A718 --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=2 --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=851CCE380174997B96F31B74A814A718 --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4832
- - 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=19C3EEA3252A0004C37A1F50FE07B6D6 --mojo-platform-channel-handle=2488 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4872
- - 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=8BD35A6C3A7E417B8FD24593F9EC1B59 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2628
- - 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=10FA8E95919767EF3D72DACFED9CA549 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4720

Network

MITRE ATT&CK Enterprise v6

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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