5bf2ee56f9635fb59ca3c5fbe0c0193d398d17d944943da2ed6a9836dbc49ec5

Analysis

max time kernel
151s
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
29/12/2023, 23:51

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General

Target

07977be53181e0b28b80aaf187c4ef92.pdf
Size

176KB
MD5

07977be53181e0b28b80aaf187c4ef92
SHA1

945986901884c0a3fd1c2c06e30456d90dd15a37
SHA256

5bf2ee56f9635fb59ca3c5fbe0c0193d398d17d944943da2ed6a9836dbc49ec5
SHA512

b1c5a73fdf3e721fd18b5adeb08785dfc779050d3366cb04d766e3d568595f287374d34a3c4479b192632bfec890770536b710997de50dbfbfd8cf578bd302fa
SSDEEP

3072:UV/ykXaLR/9874u4BBeTMxrwWVvCoknm+tj7arjs5iA4Qny/9zN3b0yDfd+:UXSJm74u4XWMx1Mop+tPa3s5iWSzJZM

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1000	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 4692	1000	AcroRd32.exe	95
PID 1000 wrote to memory of 4692	1000	AcroRd32.exe	95
PID 1000 wrote to memory of 4692	1000	AcroRd32.exe	95
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 3272	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97
PID 4692 wrote to memory of 4248	4692	RdrCEF.exe	97

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\07977be53181e0b28b80aaf187c4ef92.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:1000
- 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:4692
- - 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=22A5F3B980A971FD10061953C7D61D1F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3272
- - 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=C046F7C8C8BD054DB0512ACA3449FA21 --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=C046F7C8C8BD054DB0512ACA3449FA21 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4248
- - 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=21CFD500D39D8027D7DA41DA7FD4183D --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=21CFD500D39D8027D7DA41DA7FD4183D --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:560
- - 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=E5318103BE4236D8FD285E621FD0253E --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4480
- - 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=792DB13C49BCA9E62A10A3F26884B8EC --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3632
- - 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=CA0B4297FF31C6F2F3115983F79FDADA --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4044

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
cf679043f0c4382904f76e9953088148

SHA1
2a555ebe00426acd75e7a0a3d9831ec37ec555b4

SHA256
028a664df3b6cebc4262c9d4ca7974c82421740fbbd9e52e435ab89c16199ca3

SHA512
94d2117b3bd2fab8eba0b3a4f14e2a3162593c432e56d5375883a79146229bb9c7a47af4d2719843224f37f62760bcf45ae0a1901d38d13cc1eeb33288ca2fd2

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