c8aed033e225b72830c58656012e3f4e3ff7bf10814f8c7fa402df4e2fd963fb

Analysis

max time kernel
142s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 08:23

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General

Target

6725edc2364da8aad17e9f2b7a4a7212.pdf
Size

85KB
MD5

6725edc2364da8aad17e9f2b7a4a7212
SHA1

4cd4490b8230e5d13106d83b126ddd61107cdad6
SHA256

c8aed033e225b72830c58656012e3f4e3ff7bf10814f8c7fa402df4e2fd963fb
SHA512

2c767c1f6609678e344fb842b974a9097588f258e89140857b6eb44a18b2e6ec9b397a270fbb03cbd2859243f4bc6823c193978c13af9d280742e4df8644e46f
SSDEEP

1536:YafgwBPk+97GRSJrwjCQ7BIe50yoHqHRy6GflWJfc1tTQmWQpOCoFV:FgwuaaRIrwjRBVygRy1f9dQZC6

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3772	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3772 wrote to memory of 2384	3772	AcroRd32.exe	90
PID 3772 wrote to memory of 2384	3772	AcroRd32.exe	90
PID 3772 wrote to memory of 2384	3772	AcroRd32.exe	90
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 444	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 3152	2384	RdrCEF.exe	94

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\6725edc2364da8aad17e9f2b7a4a7212.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:3772
- 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:2384
- - 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=B5C36D2EEAFC25B6ACFD6F8D0D355F5E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:444
- - 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=EEAABFCD12BAB0B85F5F90A0EF11B520 --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=EEAABFCD12BAB0B85F5F90A0EF11B520 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3152
- - 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=86B2B068D4BFE345D887ABFF099312D5 --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=86B2B068D4BFE345D887ABFF099312D5 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4264
- - 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=998D3F894DC25C149512E81F2F6ED3D2 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3796
- - 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=E310DDA989C635F6783A95E379F94574 --mojo-platform-channel-handle=2840 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:840
- - 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=84D0D353AEF65F001CD44357A6790B1D --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2220

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
bc245e718d7a7f445019f6467639260d

SHA1
872634e030faff43081a8ec55386fa3a00f5e425

SHA256
e35b186978e2d745f59a50d620175591ed7dad56dc218384b132c0160b859d0f

SHA512
e835cfcb06cd257515748d54216dd521fc40c9759a254fb559d78adac32cd1d4893d6903b0bfe9bf21e61c4188093d2bafbc3e8712df2d9b05938f6d017580ca

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