dcb105daf269f0f54eb1376d5605d8f69e6ccfb0abc04214c52ddb83dd4dd0fa

Analysis

max time kernel
143s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 12:45

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General

Target

8cab7ebf51fd413bdc6c6e3ccd8bf7bc.pdf
Size

44KB
MD5

8cab7ebf51fd413bdc6c6e3ccd8bf7bc
SHA1

f2b6bdf006511fe1c7553e61c6b5db0a12905699
SHA256

dcb105daf269f0f54eb1376d5605d8f69e6ccfb0abc04214c52ddb83dd4dd0fa
SHA512

4d436812cec890c6d5d14b89e04512ab178c0cba186c0af5f3743c7fcef7cb88188899d3c96266fdd8f5f2c000796cdc4bccfffd294e52fe112b519b07faa89d
SSDEEP

768:hd129noOigOiTSD6ROWv9IzqAwrWo3eIPzByUaAH7pQt:j4EgOiDROCAwrvn7wZAHVQt

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2368	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe
2368	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1116	2368	AcroRd32.exe	92
PID 2368 wrote to memory of 1116	2368	AcroRd32.exe	92
PID 2368 wrote to memory of 1116	2368	AcroRd32.exe	92
PID 2368 wrote to memory of 3904	2368	AcroRd32.exe	93
PID 2368 wrote to memory of 3904	2368	AcroRd32.exe	93
PID 2368 wrote to memory of 3904	2368	AcroRd32.exe	93
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 1904	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4744	1116	RdrCEF.exe	95

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\8cab7ebf51fd413bdc6c6e3ccd8bf7bc.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:2368
- 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:1116
- - 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=2F4AECF0286D1C251DD2827F812FCE58 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1904
- - 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=5089D8FE45CD128FF9E94FCAFE5C0DC4 --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=5089D8FE45CD128FF9E94FCAFE5C0DC4 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4744
- - 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=B7988984637B5FA625508407664716B7 --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=B7988984637B5FA625508407664716B7 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1944
- - 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=A55AF05D385CC10A5CD6A805885DE808 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4676
- - 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=0DA641B201FD68F12C85BEF7EA405632 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3676
- - 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=D9F8B6440297014302084B0032C56D09 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3996
- 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⤵
  PID:3904

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3808

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
c8de37de673aaebcb91315712e61a4fb

SHA1
b8e73482091f7fa4b6601568aa9cfd47a40c9b6e

SHA256
cdd88cbd5f63ad4fb373fdb2cb65182dc7636e3871841765e189abb9da0cb5b6

SHA512
8fc942f6d09544ca85afef4f6b5897224ca55d855599e3af6c205df46ebfc10eb400c0f9d2f4d0377f319d0556f32608b636f8f0f8296463680178270303e4bf

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