6519c745ffee6f9182e7797354cc073e6443baef5f9f72e6babeeb21e8f10c68

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 12:08

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General

Target

1811ce85c15c6012b2c88851ccecbdeb.pdf
Size

82KB
MD5

1811ce85c15c6012b2c88851ccecbdeb
SHA1

9f7fa4b7ad7bc6d73c4079c0dd2a35ad785a7be1
SHA256

6519c745ffee6f9182e7797354cc073e6443baef5f9f72e6babeeb21e8f10c68
SHA512

4a16e26db527a9e34e9c641ed0d095e61fa69cd59c72b41863484041af482c8689b0d4c11daf04482dbe21364e5a1ee12de89e87e0dbc5de799328c99e1e72d9
SSDEEP

1536:nZKj71lvkGBx5penhkKV/CzxHXYf3u2IzRFXjqODMHCT8Crh2P/drpCgVKRXBdgy:Y7Nun5AziPu2IzrqpHCT8UGdpvoTgy

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2440	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 1908	2440	AcroRd32.exe	95
PID 2440 wrote to memory of 1908	2440	AcroRd32.exe	95
PID 2440 wrote to memory of 1908	2440	AcroRd32.exe	95
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 1568	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98
PID 1908 wrote to memory of 4272	1908	RdrCEF.exe	98

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\1811ce85c15c6012b2c88851ccecbdeb.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:2440
- 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:1908
- - 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=2DBDA3CBE2DD3220D6B5FBFE5D999028 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1568
- - 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=7D30DBA14C2F11E6C8264964BC37083F --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=7D30DBA14C2F11E6C8264964BC37083F --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4272
- - 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=49BDFCA2E24E6013AEAE009A8E91E4ED --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=49BDFCA2E24E6013AEAE009A8E91E4ED --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3116
- - 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=184830655CD3FD70378C29D0A9C8603A --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1580
- - 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=5242B06A104848FF52ED4839AAC8EAED --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4348
- - 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=0C0FC392AF9310884D3946D8511267D0 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1676

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2288

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
2d555bcf0c1f8f80bc59c414f27c2874

SHA1
e419de1d748f282ec6a971ad5dc2d284ed8fa27d

SHA256
ecd7bf77ce22a2efc76debdb7b858044e134b6d571f18bbd6c7bc98d9c2cfff5

SHA512
5299274a865a393fdbefb4042c954d4ceeb02a9c164144253d5b2fbdd09d126230367e3f97d4ba1a8393e3e15a8117996d19a539d5f728871d56c31c6e2ea834

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