f8d3b278a985c0d59e36f2e3bbefba9a95e678b500f35707b63ace6f27de9d93

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, 12:26

Sharing

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General

Target

218be32c6af21be715a95c8adfcd4849.pdf
Size

83KB
MD5

218be32c6af21be715a95c8adfcd4849
SHA1

39526a88013f6e1507ea40fa2f8498123178f976
SHA256

f8d3b278a985c0d59e36f2e3bbefba9a95e678b500f35707b63ace6f27de9d93
SHA512

324aee684420996bd3275e12de6761522c37c2275042beff63d4a199ae5e679da6ad20a593ca3203548afce09aceed0ddac046a0dac0b824a43da9df2c3515de
SSDEEP

1536:GsnRneYJurLcKqsIYLVmtlf3AjFseyFYnsFgeCdWnshWS66va3QwZWbpONIRBrGH:DRJKLcKqnYLVm3f3AlymeG9vyQwbNqBO

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 5048	1996	AcroRd32.exe	95
PID 1996 wrote to memory of 5048	1996	AcroRd32.exe	95
PID 1996 wrote to memory of 5048	1996	AcroRd32.exe	95
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 3192	5048	RdrCEF.exe	96
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	RdrCEF.exe	97
PID 5048 wrote to memory of 4432	5048	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\218be32c6af21be715a95c8adfcd4849.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:1996
- 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:5048
- - 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=6EF3B2FDE91A824FE1FB0D4F966B3C15 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3192
- - 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=E9D2624C3996770683F8EC2D4D3CF9D8 --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=E9D2624C3996770683F8EC2D4D3CF9D8 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4432
- - 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=79C7084C0C22A5F9582B36E46C0F0D50 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3804
- - 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=5C024682DC3501A18B852DEE024FF0A2 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:208
- - 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=981E44B17EC317F4908EF070CC276639 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4632
- - 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=3A23E810CA6288007EB11FB4CF384C60 --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=3A23E810CA6288007EB11FB4CF384C60 --renderer-client-id=7 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3272

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5096

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
a1b1af16862fad39f3782a4f165b1fa0

SHA1
6b5c423b4e005f0c1f8027d91c105a48d0a9be40

SHA256
405a73d0a179aa82734eb2e01617c76dcb51dfc0c1f24ec3b4922e1189a2ea68

SHA512
741023e43219e59e5d2eebcda1197b0e427170a3221946349c9dc2c84259a2c29be161fa685500a071abf2e05966bb2d9702a32fbcd7e077435841af4f0343b7

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
memory/1996-28-0x000000000A8F0000-0x000000000A911000-memory.dmp

Filesize
132KB

Download