f6b57f8fc4ccff1267016122917feb7db5ee905e9b6f17f706dc4f0cfd4c60d7

Analysis

max time kernel
151s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 21:28

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General

Target

b83b90c5d810fbf86a8b0f0f669ed7be.pdf
Size

92KB
MD5

b83b90c5d810fbf86a8b0f0f669ed7be
SHA1

0d0521febf36069bd63517ba3c03f9a2617b732d
SHA256

f6b57f8fc4ccff1267016122917feb7db5ee905e9b6f17f706dc4f0cfd4c60d7
SHA512

a18b55b4434a1ac6ef4133816dd692987593f39320f7cfb42acbb75d9e5707972a7910b8818a4395e16b4bdc8931b5e7f3638972f2c346f16c66d71903b0f98b
SSDEEP

1536:b03pk0P+uxN8baBsoZoBUS9alU9dQ0hdgdJSoD7q7pIirJkWapOtQHWlVJP1Dj:mk02uP82CJC0hdgioD7q7pIcFtQmVJP1

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3172	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 4536	3172	AcroRd32.exe	92
PID 3172 wrote to memory of 4536	3172	AcroRd32.exe	92
PID 3172 wrote to memory of 4536	3172	AcroRd32.exe	92
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 4324	4536	RdrCEF.exe	96
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	RdrCEF.exe	97
PID 4536 wrote to memory of 2536	4536	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\b83b90c5d810fbf86a8b0f0f669ed7be.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:3172
- 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:4536
- - 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=F5086114EC338FFFE7D626B677DD0C73 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4324
- - 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=1CEC2C233ED7AB8AE06CAEB3EE552D4A --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=1CEC2C233ED7AB8AE06CAEB3EE552D4A --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2536
- - 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=807C1C807F78A6AA3A30E482BE14711D --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=807C1C807F78A6AA3A30E482BE14711D --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2904
- - 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=8858FB28275373BCDDDB0916EAA0B27F --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2876
- - 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=80B93A89EBD11C584405E4955B21BB55 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3236
- - 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=951FC997C63DF9C082AB52D3B95530C7 --mojo-platform-channel-handle=2628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3708

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2564

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
b2abccaa303f8af485a1efbe5629946f

SHA1
6c336b1db11bfd6521c789647475c56c7049b9f2

SHA256
648ccf00630b88e90d624e53a26512ea9276048955704994db8efc480fdcbd43

SHA512
ab11dc75542d135e9300d004d183e13f8be1fc2141744b97586ad17e8193dc933b3f4b79c4f3ef9539d9643cd04f49dc2524a898c393f45ff3b2681626c6843b

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