b5854818b813d9be5313a459cf1013610dc8d4b46332c21d386a059d6ffbacd9

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-03-2024 18:33

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General

Target

b563335781cb27cd8a4f1e0b428b3a6a.pdf
Size

42KB
MD5

b563335781cb27cd8a4f1e0b428b3a6a
SHA1

db92a181bdde756aa57101e241120e036b1da368
SHA256

b5854818b813d9be5313a459cf1013610dc8d4b46332c21d386a059d6ffbacd9
SHA512

c6a41929f50c921efbf914d55b75567b32d8c92261eeefc1bbd765357ab68093558f2b6470a5879c575753f2375380ee5415d9ade01dc1dedb673c34b1969680
SSDEEP

768:OAa9L0nYBsk9Dpy1RHMBbioyhwPTWbv3ncbJuYj84jmW+c1jJm:na9L0nX4y34i1uPTWbvMbsYonW+c11m

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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3172	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 3840	3172	AcroRd32.exe	91
PID 3172 wrote to memory of 3840	3172	AcroRd32.exe	91
PID 3172 wrote to memory of 3840	3172	AcroRd32.exe	91
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3712	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 3436	3840	RdrCEF.exe	93

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\b563335781cb27cd8a4f1e0b428b3a6a.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3172
- 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:3840
- - 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=55F9D13B41BB424A8F768E60B39C6F6F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3712
- - 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=BD4558053DC9318172E93E97E5EE8B37 --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=4 --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=BD4558053DC9318172E93E97E5EE8B37 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3436
- - 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=1F8B2837E7FE6BCB100D079984938483 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1928
- - 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=71280AE87E66DB7B3ECCF7357CFCA66A --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=4 --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=71280AE87E66DB7B3ECCF7357CFCA66A --renderer-client-id=5 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:640
- - 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=440FD3C27759028996A3E87EBE4E0C53 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2092
- - 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=B5C4EC931BA29B90B2716F2313090083 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3444

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
1d7e09191add0ff0d2a4da471e2ff295

SHA1
12afe9dec5dd192a283b86d0d585c8f1e1b48473

SHA256
287c2dbabaf1f07ca053497d91a36bb4344821acaaef2903e20467edac4ea113

SHA512
01029457d2d4ca3381e4f22f628123a46dbdc5df395a073a8da4e0fa3c4fc160188764a01ed8967a8bad493ebbce2fd6e553c3ef9d0aaeb1bcfb69b20e63b0d5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
6d931bca8abcfa993dc38b9c4faf291d

SHA1
c5dbff37fb532b36e2483a30dac9ba453b32a5ad

SHA256
17114cde66778341dcddfe6dd7f7c63858bdf1679c3b42ca21742bea13377e93

SHA512
77a33a20e045c3d4fb07a6a13edcfeecd85f071fca5db8d71e440cf204718303c9ad3c0e8a7b7acfcd91c526b36baaa069edc2707c88504a05d046899f236ed9

Download Submit
memory/3172-29-0x0000000007AE0000-0x0000000007B01000-memory.dmp

Filesize
132KB

Download