a970f3c9e43b38a664bad03cb1ace180a2cfd09eea0d9d44ceb8037c419dc604

Analysis

max time kernel
140s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2023, 02:34

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General

Target

3aa03928-88c3-45cb-99e5-5ff2fedeb46d.pdf
Size

109KB
MD5

d7be21fe259c3d01a422bb7ffbe0de32
SHA1

edda49b573310d062c5a601d70953c6fd0c8b194
SHA256

a970f3c9e43b38a664bad03cb1ace180a2cfd09eea0d9d44ceb8037c419dc604
SHA512

16e296c8f40591df8e42b5b9ce5588ac744c60634e02cbe8ee04aebba491faf9487a9a2a212ba4841ff209cfcdfff1cf682f9b322628b9b841f3ee866bbf7b64
SSDEEP

1536:WNS0ZMSpmwPFMt77kXUtjDL3Dqb8ZyLfBySbCyIL9GWdDII+fe6xjhqJeouPGjK0:GS0ZFmYMPjDSEL9z+ICw2+jTso

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
216	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 2444	216	AcroRd32.exe	87
PID 216 wrote to memory of 2444	216	AcroRd32.exe	87
PID 216 wrote to memory of 2444	216	AcroRd32.exe	87
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2172	2444	RdrCEF.exe	88
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89
PID 2444 wrote to memory of 2680	2444	RdrCEF.exe	89

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\3aa03928-88c3-45cb-99e5-5ff2fedeb46d.pdf"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:216
- 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:2444
- - 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=F9039C0CEC1427909A51E1166A54E1DA --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2172
- - 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=24BA50EA69500270204D26EF1A85E995 --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=24BA50EA69500270204D26EF1A85E995 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2680
- - 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=4078E291578D66AF0C665C3C031F6A0D --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=4078E291578D66AF0C665C3C031F6A0D --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4008
- - 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=96D598A4FD6EF774AA5EC9DFD2D7BFA6 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4540
- - 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=5B61AF791AE811ACA4B90A5F589FB156 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1392
- - 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=5AEAB919D7CDE91F618BF2A942523A03 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
2b441196f622998f5281345133ba5870

SHA1
cc230da7bec913041878087861f01af667e19036

SHA256
ff0343bb3dfec59302615acbdafa90acfadad634477721dcd716651994164700

SHA512
d3901d9a6454f00895253193c9ed42a44e610a87cfb05592d212ce2af56d78b55de6a71b7f71c15f995bb8972fdd2ad4a6c5444c72a1453777a14f24adcd5058

Download Submit