3a18a6489907ee9bbbddb4aa2fb3d386df1abbffc761392af982f164db593661

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2024, 21:00

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General

Target

3a18a6489907ee9bbbddb4aa2fb3d386df1abbffc761392af982f164db593661.pdf
Size

253KB
MD5

77ca51540c140a1b945627db9c9cbfd3
SHA1

46709db08d21dd3b68703f1406afcf3210825853
SHA256

3a18a6489907ee9bbbddb4aa2fb3d386df1abbffc761392af982f164db593661
SHA512

156448a628bd7be504443d8c58876d8350e4a149a26058e4c277838e7610824fcef3f326d614d31005356fe15d1b091d7d52999e512255ffeef27e1528f9658a
SSDEEP

6144:08AkbAdBm59ZB4gWCVBozaishiUeLiZ4Wt:0CvZdPGeiacOZ/

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-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4444 wrote to memory of 3544	4444	AcroRd32.exe	90
PID 4444 wrote to memory of 3544	4444	AcroRd32.exe	90
PID 4444 wrote to memory of 3544	4444	AcroRd32.exe	90
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 1580	3544	RdrCEF.exe	92
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	RdrCEF.exe	93
PID 3544 wrote to memory of 864	3544	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\3a18a6489907ee9bbbddb4aa2fb3d386df1abbffc761392af982f164db593661.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:4444
- 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:3544
- - 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=981A904DFABC1657003F52A6FC28067F --mojo-platform-channel-handle=1748 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=AF642E29F57033B7E3E123B327FD36F5 --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=AF642E29F57033B7E3E123B327FD36F5 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:864
- - 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=BDFA68577198D187E8767D5EBE4A636A --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4344
- - 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=B7F720EA8F60E0A4437B15038FD1858A --mojo-platform-channel-handle=1880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=5647C01C06DD47769123D7043F4C3B96 --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=5647C01C06DD47769123D7043F4C3B96 --renderer-client-id=6 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4884
- - 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=A59C119BC9809C6631A08AA5605EDEE8 --mojo-platform-channel-handle=2732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:776

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:808

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
d66d75b7e90c28ff0b93fbb4480ff64a

SHA1
dfa5ba24f059cfe4ed8fa2d632e6d66c23ffa5c5

SHA256
89a6fc92cefe5fb7ea7b5f255d18d4b13efdb04d87a33087597cda14a9f2d136

SHA512
4063975b556a3cb8a02d529cb19166fb465a8dc2951067e63a7610428f02c242b717a6dc70cd66b5561e74f0ecca5705b5326536a515fd8339f1c6c4942dd6d2

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/4444-133-0x000000000A2D0000-0x000000000A57B000-memory.dmp

Filesize
2.7MB

Download