256920d7f684d9ba5dc09ec80f26329380e1c64ca025d7701c91ea6b75d90418

Analysis

max time kernel
90s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2022 09:17

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General

Target

256920d7f684d9ba5dc09ec80f26329380e1c64ca025d7701c91ea6b75d90418.pdf
Size

100KB
MD5

7648c47e45ee61bf5375c930408520a9
SHA1

d27ec4516f929226611f73cf8dd46d67fcbbb74b
SHA256

256920d7f684d9ba5dc09ec80f26329380e1c64ca025d7701c91ea6b75d90418
SHA512

4534962a258909578b315cf87252f44eb598499bd2839be4a753d8034e93a94476aac16d21e6020e65eb7265aa9be989768befeb0e8491a80782bd957d42dedb
SSDEEP

3072:oBmvymTNkV2m6E/gU/+Uwo1QqQji1o1Z74UW2Qh9/:nLTSIm3/P+pLYiXWtr/

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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 4196	5080	AcroRd32.exe	81
PID 5080 wrote to memory of 4196	5080	AcroRd32.exe	81
PID 5080 wrote to memory of 4196	5080	AcroRd32.exe	81
PID 5080 wrote to memory of 3844	5080	AcroRd32.exe	84
PID 5080 wrote to memory of 3844	5080	AcroRd32.exe	84
PID 5080 wrote to memory of 3844	5080	AcroRd32.exe	84
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 664	4196	RdrCEF.exe	85
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	RdrCEF.exe	86
PID 4196 wrote to memory of 3696	4196	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\256920d7f684d9ba5dc09ec80f26329380e1c64ca025d7701c91ea6b75d90418.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:5080
- 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:4196
- - 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=5ABD555DC8E22ADB184C9D6F9C7D186B --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:664
- - 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=E4668565F61627279A60DAE92FB55A49 --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=E4668565F61627279A60DAE92FB55A49 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3696
- - 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=4174F49F1DC920254555923F6FA68364 --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=4174F49F1DC920254555923F6FA68364 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4844
- - 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=AFB435EB1696301BA9DBEEC513CF86C2 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3432
- - 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=0CABB385F8E3534A11EFFC30AAB32346 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5104
- - 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=F728B7ECFD1467A4951630C315AE7E3C --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:400
- 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:3844

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4968

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

Replay Monitor

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Downloads

memory/400-154-0x0000000000000000-mapping.dmp

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memory/664-135-0x0000000000000000-mapping.dmp

Download
memory/3432-148-0x0000000000000000-mapping.dmp

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memory/3696-138-0x0000000000000000-mapping.dmp

Download
memory/3844-133-0x0000000000000000-mapping.dmp

Download
memory/4196-132-0x0000000000000000-mapping.dmp

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memory/4844-143-0x0000000000000000-mapping.dmp

Download
memory/5104-151-0x0000000000000000-mapping.dmp

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