66f75661046882263532238c12aeffd119b0770eb02c8be970fda8c2702c70bd

Analysis

max time kernel
76s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2023, 09:03

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General

Target

MHIESP - MUSNIC_COLASI ROMMELMR - JAN 11.pdf
Size

64KB
MD5

83ca1ff284ba82f236e59bd37659fae2
SHA1

67204ec719528afd7a7b08a30c2ed4fa275ed394
SHA256

66f75661046882263532238c12aeffd119b0770eb02c8be970fda8c2702c70bd
SHA512

858754175dd9b99d4984da83dab36b6181a8b6c33cf20e4251c382c45281ed4fdeb70c4f2c26e0c3655f1da406595e5ce9b88a5c93214684c2bcc95be306be41
SSDEEP

768:fpLQ4iXADs5r8j/hQnct9qPG1uo7jHSbexvW9Xwhcwemwr1+RLyKhSOILHI1gQfg:BKXA4N8j3tUPGF7jnNm+5xhS1Agz

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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 4712	4812	AcroRd32.exe	83
PID 4812 wrote to memory of 4712	4812	AcroRd32.exe	83
PID 4812 wrote to memory of 4712	4812	AcroRd32.exe	83
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 3292	4712	RdrCEF.exe	85
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86
PID 4712 wrote to memory of 2944	4712	RdrCEF.exe	86

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\MHIESP - MUSNIC_COLASI ROMMELMR - JAN 11.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:4812
- 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:4712
- - 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=43EB985B81149B1E0BF9E272DA269652 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3292
- - 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=1EDC80021EA005390BAA2C3815FB5307 --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=1 --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=1EDC80021EA005390BAA2C3815FB5307 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2944
- - 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=68944AB497D0AB50DCE6943F27A532DB --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=3ECCC7C388ADA7608CEF01EC2D6AA940 --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=1 --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=3ECCC7C388ADA7608CEF01EC2D6AA940 --renderer-client-id=5 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4288
- - 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=BA949767186969CB397EDC43E01C8310 --mojo-platform-channel-handle=2612 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1316
- - 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=E404F8CEEF43B9FC42791F6A2271740F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1384

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1472

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

Windows 7 deprecation

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