5800c39c239c65a9a328ba276b0b2992e84a35c47e7fb9eac5b258e5ce81b9c2

Analysis

max time kernel
142s
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
22/12/2023, 08:26

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General

Target

7d35c606f66765c594c9d958f12d803a.pdf
Size

34KB
MD5

7d35c606f66765c594c9d958f12d803a
SHA1

f954fb0c72b7344d8eefd1c3b2ec7e29fc434606
SHA256

5800c39c239c65a9a328ba276b0b2992e84a35c47e7fb9eac5b258e5ce81b9c2
SHA512

edf7533fcc06d88a3e9f2b3dbfb3d8bb3b9e6f994c2b2db23f9dbcf322ab9c90f662fb55f9424c4f1add9e6aa30bd2c0ff1683979d98f4e3a0e3b7a2ca578344
SSDEEP

768:ZK5xXPjJ1ULy5vorUgIY9cOsast2HW4KccPX:oPrULy5voUY9cOHO24PX

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5088	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 1340	5088	AcroRd32.exe	91
PID 5088 wrote to memory of 1340	5088	AcroRd32.exe	91
PID 5088 wrote to memory of 1340	5088	AcroRd32.exe	91
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 3316	1340	RdrCEF.exe	92
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 2736	1340	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\7d35c606f66765c594c9d958f12d803a.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:5088
- 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:1340
- - 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=89396DB6E4B2E8E9470AC3D0E6269184 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3316
- - 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=9115B8E6D998A6D8594BF64DB1F7FA81 --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=9115B8E6D998A6D8594BF64DB1F7FA81 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2736
- - 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=D235FA5BE8AD5C0F895FACC31EF41B24 --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=D235FA5BE8AD5C0F895FACC31EF41B24 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1272
- - 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=80AD6D0CAB6B301F48AA6A9306294FB4 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:976
- - 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=DA4BB9EBF391B506A9B3AE40B19B1758 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4808
- - 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=1CF50A51B1C00A7E7B9C08CA2F5F2093 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5052

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1204

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
aa8eaa7c82f67faa8726623dea139831

SHA1
6c8b21f7dc4817826ebf8a48cdfc80b1b8a17a27

SHA256
b2149ca663a7454e1046a9cb619be71bebfbe765b712a5e0f3b0af0aec942aa8

SHA512
8c0cdfb5787f5c3bfe2f30ebdc73e568035d4f0fb01a7a811232e72278040db1fe3a3c436671c817a2ecd8f38f54f38b5463e6e6f8ae9a5b474c72aea0343c9e

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/5088-27-0x0000000009FD0000-0x0000000009FF1000-memory.dmp

Filesize
132KB

Download