db89a1bd811c167776b6bf1552b67062687d81cab3ad4d69a206665fc3fd9826

Analysis

max time kernel
141s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 14:36

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General

Target

c7b0bbf2994e5564d28bc8249442c98d.pdf
Size

82KB
MD5

c7b0bbf2994e5564d28bc8249442c98d
SHA1

e9e496d44d4dd79c0168ed9eb7e2d9dd763356e5
SHA256

db89a1bd811c167776b6bf1552b67062687d81cab3ad4d69a206665fc3fd9826
SHA512

b53636203815150dac3fb59b7df2a4accab4db2f2ff5c4ddb96857956f1586536e65c0445c1ee364747a552577aea62f6a2b132e78d3f112d93e740403b2a2e1
SSDEEP

1536:FpxN935dOuP6DlOXzQRtKUEw64VSjz/ai443RMN1/GVmXrEX/jpNsAPN:VP5dOuSDMy9VSjL94yk/G4XQlNsk

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
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4048	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 5084	4048	AcroRd32.exe	90
PID 4048 wrote to memory of 5084	4048	AcroRd32.exe	90
PID 4048 wrote to memory of 5084	4048	AcroRd32.exe	90
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 1444	5084	RdrCEF.exe	91
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92
PID 5084 wrote to memory of 2304	5084	RdrCEF.exe	92

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\c7b0bbf2994e5564d28bc8249442c98d.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:4048
- 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:5084
- - 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=CA806B48D190D25BA536CB6028CE0BF9 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1444
- - 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=F7CB816C9FE2BB3A0CEC1AFDD5F05325 --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=F7CB816C9FE2BB3A0CEC1AFDD5F05325 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2304
- - 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=69FC1EA6D6C6524B4BED49627A482580 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3768
- - 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=0C9E4334B349A631F8C81A59270AB749 --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=0C9E4334B349A631F8C81A59270AB749 --renderer-client-id=5 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4832
- - 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=E78C9FE645E38E9A3BCCF04FD21090BE --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4668
- - 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=518AC50D933D0899C8657B088BE2953E --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5068

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
6c9b4fb7d219a7e4788a395020692eac

SHA1
0c56b36508c89355e8e469a6a73b3e9e22f3de1c

SHA256
4256b2008c32f73c0d9aec10b1e18459682dc917f50bf9572bc2f26c779bcfee

SHA512
e9526c9032fd5daba0cdda1b81152510099ab932ac6b88ada14cde0d62befe8a34bfebb6d46afbe2e0ba553c9e1b0b075e98b3287edef396c3eb4958c4d62d51

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