de6f155ca5e22837052f51b18b50086b5ce0ee4bb88a3bd9898d67416bcb99bf

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 16:26

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General

Target

7c8db092299f2013ce922b82b79de43f.pdf
Size

76KB
MD5

7c8db092299f2013ce922b82b79de43f
SHA1

47a8b546b4dc20026cc34db79edc42fa33dc7608
SHA256

de6f155ca5e22837052f51b18b50086b5ce0ee4bb88a3bd9898d67416bcb99bf
SHA512

fe0da4cc75a1cb083f6b1e1a92086226bd9cba41f1af9ee17f5d3cf9f67504b930e1250eb5cccb0ebae6a5a47cfe4be57757aa23d13a84f79b63c0e0257dd012
SSDEEP

1536:Yq1qAGzxIkqkF689+lHDX6Tcc/bd50Km/d7YQLOubuF4pxgHYMj:t1ncWc9+lHDXOc0Z5t21YxuqypxYx

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3868	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe
3868	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3868 wrote to memory of 3460	3868	AcroRd32.exe	91
PID 3868 wrote to memory of 3460	3868	AcroRd32.exe	91
PID 3868 wrote to memory of 3460	3868	AcroRd32.exe	91
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 3864	3460	RdrCEF.exe	92
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	RdrCEF.exe	93
PID 3460 wrote to memory of 2036	3460	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\7c8db092299f2013ce922b82b79de43f.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:3868
- 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:3460
- - 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=035BA20CDDE6FDC6A89ED33AC1551043 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3864
- - 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=3C38E753FDC2167484086F928130D03A --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=3C38E753FDC2167484086F928130D03A --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2036
- - 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=97B6DE450CBFB7A34D8401358B6C663C --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:884
- - 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=08639AEF8C49B9B1215487034302BADE --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2992
- - 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=7B95FC9690FB8BA93018368BC9AE630D --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4320
- - 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=7629A004AE4EDF99FE58B2F15C84F336 --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=7629A004AE4EDF99FE58B2F15C84F336 --renderer-client-id=7 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2136

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3816

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
7fae5cf7b3a0da00e0a29db542b97f4c

SHA1
a4cc5529cd9e1c55595747e6223aac830c9caef7

SHA256
29e68bd97616859b211898086986e373515ba9ee633e7a3ce1ffe515e661b2da

SHA512
2d8e5e979b56213177e20ebd4d85103baa0521dc69fa8b0c819bae17cc30d1bf64f783828148a6e07b6ce935bb79755aaf109f9b9e4710a04034c8ec657397e8

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit