31e0101edc420ba9a83d5d3145de40edc6bc505d98e8dc5531e59d2c1afbb826

Analysis

max time kernel
165s
max time network
203s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2022 12:54

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General

Target

attachment20220906-4740-1f0di7a.pdf
Size

65KB
MD5

800aef40b1d8f8a820950a91465ca42b
SHA1

1249cb3aa78205fedefe5df5be401e1713532c82
SHA256

31e0101edc420ba9a83d5d3145de40edc6bc505d98e8dc5531e59d2c1afbb826
SHA512

e0cca312133c64790750a40116641c38596ef9b80f8709bc2c3d5798d87a3595f633ed53b3fddca0c279a23260e20a3b0df93e819649427335569a4f600e01c5
SSDEEP

1536:WXlDrilA9+uh5J5nxqZWXAYV0zZp4bTVNEnhN9n/rT6OBIIRBI0:GHilA9+uhP5nYZJc0qNEnJf6OBIIR

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

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 3580	4688	AcroRd32.exe	82
PID 4688 wrote to memory of 3580	4688	AcroRd32.exe	82
PID 4688 wrote to memory of 3580	4688	AcroRd32.exe	82
PID 4688 wrote to memory of 3328	4688	AcroRd32.exe	85
PID 4688 wrote to memory of 3328	4688	AcroRd32.exe	85
PID 4688 wrote to memory of 3328	4688	AcroRd32.exe	85
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2216	3580	RdrCEF.exe	86
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2288	3580	RdrCEF.exe	87

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\attachment20220906-4740-1f0di7a.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4688
- 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:3580
- - 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=B7A5492FE08226162295A7E503D162C0 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2216
- - 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=289B91924F61A415DD3FCEFBE313C9F6 --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=289B91924F61A415DD3FCEFBE313C9F6 --renderer-client-id=2 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2288
- - 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=2D0A036BCF40C6C09734C974A4F85505 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1132
- - 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=7021D539A25A6D78F3D0897416908580 --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=7021D539A25A6D78F3D0897416908580 --renderer-client-id=5 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3544
- - 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=95014ED46F9A1B305BB0384BAEA7F50F --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3656
- - 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=E81C840FB51AF43E123D0B338FC1A05C --mojo-platform-channel-handle=2776 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2896
- 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⤵
  PID:3328

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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