2c93f6e5733e9f7b083d257c875d145ad0ef73089d219be92eede43fe7ad1779

Analysis

max time kernel
141s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 11:45

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General

Target

1726a5aa4b2c309d82ec977dca4c5162.pdf
Size

102KB
MD5

1726a5aa4b2c309d82ec977dca4c5162
SHA1

caedfa0a4a50bdc63eb552e4619fdc026182e07c
SHA256

2c93f6e5733e9f7b083d257c875d145ad0ef73089d219be92eede43fe7ad1779
SHA512

e1111dffb4b4853b3176c484f262ecf3b80b9468052d48bf489e9c726b195f19ec166aac384a788293319d1be2efbd9b6b70bb3f22e7534daffab2904cc28467
SSDEEP

3072:TO/VHUzQf3cmV+WZSR7lvTTyyegOZoBzw+:TeHUM0g+WcBzj

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
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3428	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 1652	3428	AcroRd32.exe	95
PID 3428 wrote to memory of 1652	3428	AcroRd32.exe	95
PID 3428 wrote to memory of 1652	3428	AcroRd32.exe	95
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 3160	1652	RdrCEF.exe	96
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	RdrCEF.exe	97
PID 1652 wrote to memory of 60	1652	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\1726a5aa4b2c309d82ec977dca4c5162.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:3428
- 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:1652
- - 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=2C7A3AF7E933BDF30A9F88CBCD5D8D56 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3160
- - 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=9F36FF9C5207ECB3246CC26DA00C042D --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=9F36FF9C5207ECB3246CC26DA00C042D --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:60
- - 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=7CFF220B1101B6E1094EBEF2232604C3 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:532
- - 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=F3EC1BF9605758A6F790D85759EFA920 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3692
- - 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=CF6FA9F67BC39CD86841BDBFBA27F310 --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=CF6FA9F67BC39CD86841BDBFBA27F310 --renderer-client-id=6 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1820
- - 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=3E1EE46F778E400C2775C8E7A9363E0E --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2896

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
57dd7344b64fac2795eb2a24a2070747

SHA1
73234569b9508f990b8afafc5a803a85e75e82f1

SHA256
3da9ff771040a4fa65aa2e174d5ee23b8a24a0ee1a8c9161fd66a6570ef064af

SHA512
fb812948730baeda055db2dea4f90907ae65c6ed3892506001889d0ca4e6fa22565d217c46dff63d652a09bd85e416e95ee0940a4a94f9c2e349dd60f995ae48

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