b0dbcb7f10fc5a4cb6b5e99893204ab1b92f755b006f8ebca076071236632f66

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15-03-2024 02:00

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General

Target

ca30fae72eedf55cc243f6f35f451fb7.pdf
Size

75KB
MD5

ca30fae72eedf55cc243f6f35f451fb7
SHA1

d60d12a0977aa43f21d78d745b1e42d5db18aa49
SHA256

b0dbcb7f10fc5a4cb6b5e99893204ab1b92f755b006f8ebca076071236632f66
SHA512

2e2004e70e09c64ca40120c8e2a1b2fa761a3f1a4e87502011e6bd840e0fdcecd3da62815572c6b8ca4ba13976b3434d0340e354ef1f826e4b3e625098a43915
SSDEEP

1536:uenuTnLKkYr6QghKO6M8VdwKIntdkSQ1o4W6DKQoYblZmiOzlcVpr:9rLu8VdfIt7b6uQoMlIiGcn

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2424	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe
2424	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 556	2424	AcroRd32.exe	91
PID 2424 wrote to memory of 556	2424	AcroRd32.exe	91
PID 2424 wrote to memory of 556	2424	AcroRd32.exe	91
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 5064	556	RdrCEF.exe	92
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93
PID 556 wrote to memory of 4576	556	RdrCEF.exe	93

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\ca30fae72eedf55cc243f6f35f451fb7.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:2424
- 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:556
- - 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=0AD5BF5A4945A1C2E7E11B9968D3E545 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5064
- - 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=0E065531A67C776B54C6EA77349C2BB4 --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=0E065531A67C776B54C6EA77349C2BB4 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4576
- - 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=1E6C3B76EB900CA7CF105337A87DC816 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1272
- - 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=A039C5A868B9352327610EE8807EDDCC --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1800
- - 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=8DBF822532C4F34D8FF3D83A2F2B87A4 --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=8DBF822532C4F34D8FF3D83A2F2B87A4 --renderer-client-id=6 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2924
- - 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=9E9043A555AFFCC5235221CE05E39B96 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4324

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4504

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
326b9970729d265c3885073ec9c07b7e

SHA1
fc9aa56d5a1a37fc1e6aa615d48f2c4805e75896

SHA256
10c4e159b8c5022853e8236acfaab57edb8ed1250e9779630b796c6821348db2

SHA512
6ac0aca33fd7dff258fc1e45eb7840ee19310db3fb1120572cfdf370953b313f4b95333365060e75d6b29ea661776edac48b3c443ab8ea3353afc5243148bb79

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