77b26ac79f700e053b2c821da48e4aefc85929e507deb34dd036228433523959

Analysis

max time kernel
141s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:44

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General

Target

0b7f3c1f53f2f8f6ecb5f0ab0e32002b.pdf
Size

83KB
MD5

0b7f3c1f53f2f8f6ecb5f0ab0e32002b
SHA1

535e996ed4d34bc25afd4c5479b31ffa8dc1c471
SHA256

77b26ac79f700e053b2c821da48e4aefc85929e507deb34dd036228433523959
SHA512

8a33c6b58541c7fb015367d07d8cd842785047adaa10d7e3c754be15b72a0314a571a796f6706d18f3334ef6ba9067320315563bab9f62a8b9043ffd78ba2617
SSDEEP

1536:9moLHpohMNma6wtH8l9xVaO6JIPo3XWkNpOPaWeTX8IzlvZws47ybF:sOahATH8lgOmIPo34PkTsKxZwVi

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
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1220	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 2916	1220	AcroRd32.exe	92
PID 1220 wrote to memory of 2916	1220	AcroRd32.exe	92
PID 1220 wrote to memory of 2916	1220	AcroRd32.exe	92
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 2856	2916	RdrCEF.exe	94
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	RdrCEF.exe	95
PID 2916 wrote to memory of 3120	2916	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\0b7f3c1f53f2f8f6ecb5f0ab0e32002b.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:1220
- 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:2916
- - 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=8F83061530FA5294F95DAFA76C6B1CF7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2856
- - 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=B1A643EAD78D4A03377C01C45E09624F --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=B1A643EAD78D4A03377C01C45E09624F --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3120
- - 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=A4F939F1B190EBE7923F9C86C7A4ABC0 --mojo-platform-channel-handle=2312 --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=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=257333867B776E0544B536587D31EE15 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4796
- - 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=0DF453961749069275B184851539BCDF --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=0DF453961749069275B184851539BCDF --renderer-client-id=6 --mojo-platform-channel-handle=2368 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2452
- - 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=7BCD5581FB8DEFD8599AA7F4032F3A95 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1464

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3352

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
c3b5e2248c77fb3073b1029d0aadd22e

SHA1
e37187c32441d57dac0ee0fa8faf4b467674e58e

SHA256
d3b35217efdba52737d153e90062e78efd2c68df73ae8f511233f45ed2b59100

SHA512
b1e9b7157bdd53de5450ad627c3a15808fd9a4cc1af07c2d6eff7726f45d421bcfdd14f8f435ebf0df36ca9126ba7ed14fef34aeb9696d7943e56c3940a27da4

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
memory/1220-26-0x000000000B390000-0x000000000B3E0000-memory.dmp

Filesize
320KB

Download
memory/1220-28-0x000000000B390000-0x000000000B3B1000-memory.dmp

Filesize
132KB

Download