73fa87020d2c31e530ca18b218cf580cc181ff0e25f3c8bb48eb69245f06cb27

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2024 08:26

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General

Target

67271c5e658a700960ad92720a03c167.pdf
Size

153KB
MD5

67271c5e658a700960ad92720a03c167
SHA1

b7e963aaa85346905948e93fcf4f7ceb151ebfc9
SHA256

73fa87020d2c31e530ca18b218cf580cc181ff0e25f3c8bb48eb69245f06cb27
SHA512

0cc5bc4b2f0edaf110e3cfd803d2acaecf18ea824a4c3345265e015ba7034a41af711117c8c252a46f6258f859c912aa65a7dba20002c789d77f09197b67631a
SSDEEP

3072:Pq13NSDVK4XvXOaYwuMHY9VVi2vJrPuNIaMqBoxdKmY72kBP:2EK4PAwuMHglvJrPdqyG

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4512	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 1236	4512	AcroRd32.exe	92
PID 4512 wrote to memory of 1236	4512	AcroRd32.exe	92
PID 4512 wrote to memory of 1236	4512	AcroRd32.exe	92
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 2128	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4700	1236	RdrCEF.exe	95

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\67271c5e658a700960ad92720a03c167.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:4512
- 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:1236
- - 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=E98F0F7031F29A10053741B10557DA4E --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2128
- - 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=910997F0209669EB3D72CAD08AEC830E --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=910997F0209669EB3D72CAD08AEC830E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4700
- - 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=9F427A11199C4668A2DD59A78391FBFD --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3260
- - 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=CA3ACF7B4BD3825C8EF016DB273A7414 --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=CA3ACF7B4BD3825C8EF016DB273A7414 --renderer-client-id=5 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4612
- - 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=AB1E9F270FAAE4BF02ADFC61298077BF --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3232
- - 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=216194CBE63918B48A0A7E1F3F82E97F --mojo-platform-channel-handle=2192 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3556

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2352

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
f9ae0f759287aafbf5b47a39c2108b2f

SHA1
af2a4aa4ecc22edeaf96f33914b31c998a9f279c

SHA256
21793b0210d70eff3a74752098be451bc971ebdada7197d7c0fad01213d723cc

SHA512
270d693c908e8ba64e9bc628fa200dc9a81200116ca31f4662de2f9e24a7c737cf5b431bcbbe85a9129d1850bc67e088e4019d46af6e9a03ab293235c9341479

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
9KB

MD5
4a6da6cd368737eb7b1235c226c3697b

SHA1
a40852e0eb1594f38a128c96926a759ee3dcaa53

SHA256
80b7bce95a6d8eee7f5ac5e28328a6f2fcd5b2220547783615e774cc87c1ae11

SHA512
7aa4f15fbfa4268edef244940feb1ae19e4f3440dbc6549b8bfeeb8d40ae8f5b7b0520fdf54f57579935b2beaf6f5804c52f6033a308ce41d7d8d6aa9ec46b68

Download Submit