554b659a0c7eba194434bdfa050072ef62f7c66afb136e0fe7da00515eaa382a

Analysis

max time kernel
102s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2022 16:01

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General

Target

KUED-7700 CNN Contract.pdf
Size

286KB
MD5

f24d4661f2daf7cab247d529847e08f2
SHA1

f39517db6904f29515f7810f9cfd9ce249018888
SHA256

554b659a0c7eba194434bdfa050072ef62f7c66afb136e0fe7da00515eaa382a
SHA512

e2873266ebe434d6e95e0f933220668a9979f072f5f1bda9b00a52c78341b9e478f575a2e07380d75142ae38e606cadbf53f080d8de6b993feadcfc1568258bf
SSDEEP

6144:fVWJGgWJz+z4ongX3ytkVQv+OmI116PJ+z3N:f4zHnE3yaVQ2RbYd

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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 4776	2760	AcroRd32.exe	81
PID 2760 wrote to memory of 4776	2760	AcroRd32.exe	81
PID 2760 wrote to memory of 4776	2760	AcroRd32.exe	81
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 1424	4776	RdrCEF.exe	84
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85
PID 4776 wrote to memory of 2140	4776	RdrCEF.exe	85

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\KUED-7700 CNN Contract.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:2760
- 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:4776
- - 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=F32BE5DB6E863B0A486019F1B8745D02 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1424
- - 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=391EBF4B1D2768C275E2D7BC8EF89C2B --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=391EBF4B1D2768C275E2D7BC8EF89C2B --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2140
- - 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=CBA4B615A9F41AD9C28CEB006D07E9D2 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:308
- - 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=CBCE0856DCF7C632C898C8AD3D6C1A2A --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=CBCE0856DCF7C632C898C8AD3D6C1A2A --renderer-client-id=5 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1012
- - 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=0846F98107EBC3C518958E8AB500DA55 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3008
- - 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=7DC0F766FDCF2FDF061911DCFEEB73DF --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3740

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:524

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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