49a3f005da13fbb272131a4230c43bdb6d3adfa602c5a72474867622dc8b3d38

Analysis

max time kernel
40s
max time network
18s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
24-03-2023 14:27

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General

Target

Autorisierungsschreiben.pdf
Size

45KB
MD5

c1ddce8d820a3f408f76d60d99b5b3ce
SHA1

e209a4561b583e86c226687882b3a925178da890
SHA256

49a3f005da13fbb272131a4230c43bdb6d3adfa602c5a72474867622dc8b3d38
SHA512

46d9f891011acee71032f918582f4e3eb256dffbe7d684905e0023f3a790867b21b0200cedffc93abcdb44a77962fd50f6f0e377879dcd4bdd77104b791a2a03
SSDEEP

768:rn472O00VyFBvT0SHi9qUPDKgPBUECBgZ+sgfyVTN/m1gAeeilCW:rU49vTruRPDKgPGrBgxgKJNu/cYW

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-1-5-21-3853465373-1718857667-1861325682-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4132	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 2084	4132	AcroRd32.exe	66
PID 4132 wrote to memory of 2084	4132	AcroRd32.exe	66
PID 4132 wrote to memory of 2084	4132	AcroRd32.exe	66
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 3160	2084	RdrCEF.exe	67
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	RdrCEF.exe	68
PID 2084 wrote to memory of 4752	2084	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\Autorisierungsschreiben.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4132
- 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:2084
- - 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=F125F24168A638DF813524BFCDFBEA36 --mojo-platform-channel-handle=1612 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3160
- - 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=8382D65CE48CCA764E9F85EE69B42FD5 --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=8382D65CE48CCA764E9F85EE69B42FD5 --renderer-client-id=2 --mojo-platform-channel-handle=1620 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4752
- - 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=255A39D3787DD5E343004F91A6E52F81 --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=255A39D3787DD5E343004F91A6E52F81 --renderer-client-id=4 --mojo-platform-channel-handle=2220 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4772
- - 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=E7388F861DB8DBBD9F5ECDB0B475F359 --mojo-platform-channel-handle=2476 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3672
- - 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=7F076AD859483E65BCA8FE57F117F06A --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3140
- - 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=0E67A4D37B86EB2F8BFA69F36974128D --mojo-platform-channel-handle=2524 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4388

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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