8d714a18e3963f702fc89a0ea4be749c289e1e1949d81ee90c191107270f8798

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 03:07

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General

Target

25c09e1dfa358c2070e3373d0a9a98b5.pdf
Size

34KB
MD5

25c09e1dfa358c2070e3373d0a9a98b5
SHA1

6208e9a6e6fbb9232746e9bbee9a32f6566917a5
SHA256

8d714a18e3963f702fc89a0ea4be749c289e1e1949d81ee90c191107270f8798
SHA512

beb8119196b92567efe1466aea1f3a915567ed7fd7a84146e66349efe96969549baa65aa4a7fd55d63da43ca82603c6bb1780d1b72f9cffb62c29385514f9fa5
SSDEEP

768:DxEldWzJc95x72lQTmOOT0/7DQKshUVO57Ez:Dx5zJMIQTmOO4/7D1IEz

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3924	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3924 wrote to memory of 1600	3924	AcroRd32.exe	91
PID 3924 wrote to memory of 1600	3924	AcroRd32.exe	91
PID 3924 wrote to memory of 1600	3924	AcroRd32.exe	91
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1364	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 5032	1600	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\25c09e1dfa358c2070e3373d0a9a98b5.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:3924
- 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:1600
- - 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=5C2EAB2068778ABC6F7C01B6D600C3F7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1364
- - 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=A4ACFD811470107275493795E152217D --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=A4ACFD811470107275493795E152217D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5032
- - 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=53BF91AE42F335836546B1A73CF93095 --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=53BF91AE42F335836546B1A73CF93095 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1284
- - 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=6BFF50751529A11275E71A68BB0F373B --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4928
- - 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=6B44D23D7B9379F859B21B72F0B7A091 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1580
- - 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=FC0867E3E50934F96CE1118804174821 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:556

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
d45630194e26e10fca333f51135c2945

SHA1
6d04b30b240156c2dbe8644b67bbcb38a6cf008b

SHA256
6cc237e458c30a51ae77f16bdf1e33053fd47de691cdf0ac507346db28799d49

SHA512
66b301558b197c64a74a9912cded4c0857e43973708fa4c53e3fea0a823fa88f7bd2373904141f678ccd213d8beeb29098e904065d215cff6e4d4418dde9825a

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