7147183f19ff9a558d4b87f86ed1dc9563608f7a9049588acba68325e4697419

Analysis

max time kernel
143s
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
29-01-2024 10:51

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General

Target

7fa836a0a606be14f1ab562c532b3be7.pdf
Size

85KB
MD5

7fa836a0a606be14f1ab562c532b3be7
SHA1

16c157dbdbea20ce97c699b78b421972afd71045
SHA256

7147183f19ff9a558d4b87f86ed1dc9563608f7a9049588acba68325e4697419
SHA512

fa6b1e9b0dfb0f121d56f8bf93ed043f2d7697bcab7a03dd425ac068c741576bb302444f423fc95c7cd7e016c8e30a09569f5ea4ef7cb3cb2da0e25c00f7ddcd
SSDEEP

1536:9GlVbeeVQUMgckT1k3UlvLgfN4qevvWe51EWxOrdcM9apW8pO7zBOAo5:8lVaeVQPe5kklvLgXAvL1EpcM9aA7k

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1060	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 3676	1060	AcroRd32.exe	86
PID 1060 wrote to memory of 3676	1060	AcroRd32.exe	86
PID 1060 wrote to memory of 3676	1060	AcroRd32.exe	86
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4028	3676	RdrCEF.exe	89
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90
PID 3676 wrote to memory of 4944	3676	RdrCEF.exe	90

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\7fa836a0a606be14f1ab562c532b3be7.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:1060
- 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:3676
- - 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=C3C2E178EFD9A1714A17B9F94CC25415 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4028
- - 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=018A8516F0C0008E9101886105EE7427 --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=018A8516F0C0008E9101886105EE7427 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4944
- - 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=0D585139B4F19B878F2D495EFBE36050 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4160
- - 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=E5A181F789CFD846E3D120AF5DAE6FCF --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=E5A181F789CFD846E3D120AF5DAE6FCF --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4648
- - 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=EDFC8105844DFE9D7128CD7AF1256667 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:452
- - 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=0318FB0993ABD9911402081CD9FA5A8B --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1252

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3588

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
c901ad4b309a525089b0d5e05e05984a

SHA1
a0f57eee2d42d3eafa2687ec87ba59b2fd5f46ef

SHA256
06038e343d30ffe5290c6988090816983af337413af77b90c864dcfa1df82e70

SHA512
9abd2c144eb4dd5ad49e9a2515f0b4b475add8d7b7d511ca4b255c5eb3b21af6832e9ae84a7540cfd14f50b7ee742b690436bf6ed3d681aea79f06bd289d2697

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