b931969b8ce522bd05713fb6bd8ebed700ee3f67743a553af7d19245bf546b1e

Analysis

max time kernel
146s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 03:30

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General

Target
c258e4b7cdd0c45eadd7cf8bb16c3007.pdf
Size 88KB
Sample240312-d2y99shb44
SHA256 b931969b8ce522bd05713fb6bd8ebed700ee3f67743a553af7d19245bf546b1e
MD5 c258e4b7cdd0c45eadd7cf8bb16c3007
SHA1 a26a3504e19bf7b5dbe5079076a5057e77314057
SHA512 d0f085e6ee703aa731ed62dfbf9e2d753da76f5d8a56c760c4c9ed7ed35ea54ef4e6ddf43e1c00cf4c02e2c816afbd091704fa59d12d912553dd18e3e990090d
SSDEEP 1536:k6cMAqbAmDyXLWYhEk2kUBrODEYOw9PwPWhsWtfmAilk/W8pO7GUi:5GFdEk271ODuSEGf/Aky7g
MD5 SHA1 SHA512 SSDEEP

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
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
952	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 952 wrote to memory of 2680	952	AcroRd32.exe	90
PID 952 wrote to memory of 2680	952	AcroRd32.exe	90
PID 952 wrote to memory of 2680	952	AcroRd32.exe	90
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 428	2680	RdrCEF.exe	93
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	RdrCEF.exe	94
PID 2680 wrote to memory of 3516	2680	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\c258e4b7cdd0c45eadd7cf8bb16c3007.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:952
- 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: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=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=D75E521E721059025024CF771E495908 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:428
- - 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=5510E0BE5E27A3E1C132554C978A2A7A --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=5510E0BE5E27A3E1C132554C978A2A7A --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3516
- - 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=390610BB5C6DD39AC32AE3E8657D351B --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=390610BB5C6DD39AC32AE3E8657D351B --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4272
- - 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=C12F9E01C5803E3625FF2EF8F31DA626 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4800
- - 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=39177CCEDCEC923FC1FB2A11BEABF26D --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3048
- - 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=CD0FD60B1C6806AEE38CD09C797F8C77 --mojo-platform-channel-handle=2636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1176

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 e44dca570d8c786bac11a8ffad97d9217334d260bba733b730e217692a84693a
MD5 3c24fb3db320cde4dba3a461497302d6
SHA1 354036e8f5a7c837af6b80f28469c9ddb8562dc6
SHA512 be254087d405eba06bf340cfefba7864bc62e44cea7dec6c6c4006032ab3c0d75d2e6650a96c3e01d20b74e29f3b3ede1821d00e5991b281d3dcca94ba11188e
SSDEEP 384:ye+dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:1+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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memory/952-27-0x000000000C0C0000-0x000000000C0E1000-memory.dmp

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