f6a7840f2cf8e5d4faf05b004eb881a3379a62492141b35c3c2a7c21b0c43aca

Analysis

max time kernel
143s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 03:16

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General

Target

763d57df36cb29cd7baf44bc1724731e.pdf
Size

87KB
MD5

763d57df36cb29cd7baf44bc1724731e
SHA1

efde46e0a416f1c5ab431e5a6066794c5d814802
SHA256

f6a7840f2cf8e5d4faf05b004eb881a3379a62492141b35c3c2a7c21b0c43aca
SHA512

db0e5abe9aae126110f0389e691837af793dc5ac0918784914c39b06b5261b725e759814bd5adad9a4dffb7e6c1440ecc157b44ef91610ee14edbb06ec04c333
SSDEEP

1536:vIVtQHDESeBugJf30oVuv5acIXUJyAcp4Ip0VL9xBjWYpO2s0qNMeWBMs7HRn:AT+DE+Gf0oQv5acIkJlcuI4TM2QNMDv1

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
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 1180	980	AcroRd32.exe	91
PID 980 wrote to memory of 1180	980	AcroRd32.exe	91
PID 980 wrote to memory of 1180	980	AcroRd32.exe	91
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 4348	1180	RdrCEF.exe	92
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 5032	1180	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\763d57df36cb29cd7baf44bc1724731e.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:980
- 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:1180
- - 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=4E5ABA36CB8B2FFD40C6BDEB77633398 --mojo-platform-channel-handle=1740 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=8210265FD73414577CC246EBC8A3DFC9 --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=8210265FD73414577CC246EBC8A3DFC9 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5032
- - 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=2E9F187A836068D2C9FD143381554667 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5068
- - 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=2C840F0072F8C34443A435969EA3CA7D --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3108
- - 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=FF0F8728221B047A0014B07E622E7E05 --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=FF0F8728221B047A0014B07E622E7E05 --renderer-client-id=6 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4304
- - 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=AF360A3E321B8D3D0E248BA8F367A5C2 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2760

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4748

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
7b3d801e2469f554d4c6316bf8a87133

SHA1
ae94126c212485051bd44f8606840069ea371248

SHA256
6f9026cc1925cc10a80316ad8bed9934196735d9aa8b34f0c73bb097af9743de

SHA512
546b140c2c6397cb7e6eed1fd4cb228fdd582284ea0199af2adbebbccc23a1e4f3ca00396d6d34a963d8ec1287ff52cab5ec313f8a65573e25b5a8b6ebc5b39a

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