dfe84edd1159584f60818312f13c525a81493bb0eb98b6dc59c3177893355684

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 14:14

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General

Target

396cde7d3e986c450d552a96e976b572.pdf
Size

113KB
MD5

396cde7d3e986c450d552a96e976b572
SHA1

21f5c1a9446369847abb8ff99364f921ef6d3f4c
SHA256

dfe84edd1159584f60818312f13c525a81493bb0eb98b6dc59c3177893355684
SHA512

940c43f6dc23be143638eac31281a77290a7e2a8362176410b2b1c7147724beb475fd3c2acb868853efc777eb4a2f33cdadef1ba6520b4b10eeea3556c7b4ee1
SSDEEP

3072:uJk1fZ9sv5TvT6YsQ5jQP6BNiyJWhuotfrxt/d:uJkNZ9G5yMtQiHitvt9

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
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3908	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 3888	3908	AcroRd32.exe	92
PID 3908 wrote to memory of 3888	3908	AcroRd32.exe	92
PID 3908 wrote to memory of 3888	3908	AcroRd32.exe	92
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 4164	3888	RdrCEF.exe	93
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94
PID 3888 wrote to memory of 1360	3888	RdrCEF.exe	94

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\396cde7d3e986c450d552a96e976b572.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:3908
- 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:3888
- - 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=431C33EC49F1DB6DE5BCF9C5B0505FEA --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4164
- - 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=C557175ED25A5097176384D4B735E9BD --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=C557175ED25A5097176384D4B735E9BD --renderer-client-id=2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1360
- - 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=91293C0352D8E6C5E93B506D45693C88 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4076
- - 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=87FD2B24B41E556F54F0FD245408C0A2 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2760
- - 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=8A305EBE462607E5D883D79E2D8DF76A --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1080
- - 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=74045FFCAAC65768F5D5FF88F4A7E8D9 --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=74045FFCAAC65768F5D5FF88F4A7E8D9 --renderer-client-id=7 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4564

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4048

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
decc0739ff1a92cac7fdb3c9054b9fce

SHA1
82ec6a1270ddb59be27e4ded9bde13457141c8d3

SHA256
3ed190bf3af1cf2fcc843b12b1247a4b1d960482b5d85db96628ffd70a56b8eb

SHA512
cb84e977c4e25cea91d80a5259f668287c0f65ef9a73400fa7a6c9e4db8209f47ba07e4f139b8a04488d11ebd0595cc4d9aaa43f0103743e11fd846e00f4232c

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/3908-28-0x000000000D920000-0x000000000D941000-memory.dmp

Filesize
132KB

Download