8eb3c68f1b9ce8cfc0379f65e86db493c91210e85cfd8f63b85b98cffbe95b6b

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 00:57

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General

Target

22600919685166120be4fd449c9415df.pdf
Size

34KB
MD5

22600919685166120be4fd449c9415df
SHA1

d1510c9710b595bafb7a6599e473947571e479ca
SHA256

8eb3c68f1b9ce8cfc0379f65e86db493c91210e85cfd8f63b85b98cffbe95b6b
SHA512

13c4688e925a113d202989c5702071e68cc65356575226b3bbadaf68315fb57c40c90fd1ce4296861e4fe6dae8d677b22f04e979c03c689d3fae38dbd13c34d1
SSDEEP

768:/OJOkCFMR6rgsKi8HvI/uI+Ab+9FaIRRx+bMeNjK:msk2uHvMM0IRqLNjK

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4360	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4360 wrote to memory of 4500	4360	AcroRd32.exe	94
PID 4360 wrote to memory of 4500	4360	AcroRd32.exe	94
PID 4360 wrote to memory of 4500	4360	AcroRd32.exe	94
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 2672	4500	RdrCEF.exe	96
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4344	4500	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\22600919685166120be4fd449c9415df.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:4360
- 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:4500
- - 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=475E776C34A5719387881E5487F9DCFA --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=475E776C34A5719387881E5487F9DCFA --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4344
- - 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=F5C74C694ECBB6D66297C586D3C6AA45 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=43F70374C86A634E823FDCD9E14ADFAA --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1676
- - 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=6B549B869CF1B517B9369E9A068F5408 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3328
- - 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=84586E7D231069E7CFD816F9A7EE9436 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2976
- - 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=D809DD3CD8516CDF79241B03D2FD971E --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=D809DD3CD8516CDF79241B03D2FD971E --renderer-client-id=7 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2828

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4384

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
46KB

MD5
7672576f80a96ee39de44caffcba4032

SHA1
f220137b0fc499c8bba157a658f9700b03aebecc

SHA256
30c40ab713ce90bfb128d05936cdbf0f438b4595a194b7b70461f9833c9778a5

SHA512
a1ad51f3af515c56f115d1f54f3bde67ae0700b38b56c7ca10b8f170cc1bdace950601bf121be74a6802be07f7358a3d01b0785fd3e9f62c17b3e3966a3ddfe4

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
32KB

MD5
eb2d67e01fb1ca34cfde38787e2a052e

SHA1
1f21d4553dce24983469463d26da9a5f76a9877d

SHA256
cb3dfadbb4f69b8fc4e439797332624d1c72659536719262eb1e1f7922ef46b3

SHA512
a5b2c1d688770b296ea23da294cf50d7c8628224906b29611122c932ce3a61fbbdffc682dbe1a645f6599ad6e4117f72c520022992251d4e095ea51887805de9

Download Submit