602caf4a2827c16063d26123cdfecb2c41cfa51e272c474ad307a77cf206ada3

Analysis

max time kernel
143s
max time network
151s
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, 19:07

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General

Target

3ad1fe845bb0e8e8a6d037d811f98a77.pdf
Size

86KB
MD5

3ad1fe845bb0e8e8a6d037d811f98a77
SHA1

77e9422f919c08a369e3d7342771e3b5816a156f
SHA256

602caf4a2827c16063d26123cdfecb2c41cfa51e272c474ad307a77cf206ada3
SHA512

2a0679ca2d8503cd95e63c006c665d48d293eb63bd0a7154ecb589da64860a70df1823d5ee291c2f3ab93a1bea9eea7f517e24c6044cb4de5cbbba35d27850b9
SSDEEP

1536:YsFE+cMlUIyzbjvVXh+5MQLYIatLZvUEZqpd8WA7ME8rLHWOpOaZkxKH5A:dE+cMhy/bOCQcF3HZp4EeYaZkxKG

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 3964	2672	AcroRd32.exe	91
PID 2672 wrote to memory of 3964	2672	AcroRd32.exe	91
PID 2672 wrote to memory of 3964	2672	AcroRd32.exe	91
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 2472	3964	RdrCEF.exe	93
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92
PID 3964 wrote to memory of 1420	3964	RdrCEF.exe	92

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\3ad1fe845bb0e8e8a6d037d811f98a77.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:2672
- 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:3964
- - 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=2F67566CC09CCD898C3E0856E76F4E93 --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=2F67566CC09CCD898C3E0856E76F4E93 --renderer-client-id=2 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1420
- - 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=F1EBFFE7FFAA43722E336124DC208F4B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2472
- - 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=D10DCD348AA8989A9C0003190059E482 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3696
- - 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=B0011F75CD338B8280B69F4274F2CF50 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1952
- - 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=D3BFB663F7E11DD83BE9647043BA9098 --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=D3BFB663F7E11DD83BE9647043BA9098 --renderer-client-id=7 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5116
- - 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=920978C9A45B6CB37A6A8A44CF96DEDE --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4468

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4836

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
53KB

MD5
9bc562c6faa03314e9be474a564f0777

SHA1
79c36464a5f99a36d3fe1e2d612dd72c73af0286

SHA256
fb2eb97a16aabb68789816d79f179a8dbe70e0fd657f8d7b527dba2e300a34e0

SHA512
104df4010082150ee9a25de973f614cb3f209e8bc4c55d075092440cc4a60d125c38193d1c90e43b063fe60e51b4396b43e87fb5df5d65c61d1ef55b96e1fd03

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit