6e1784c5d55f794fbc756c8065a7f8590303a7ed07f624eb3e248860ca06db96

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30/05/2024, 11:50

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General

Target
PRM 472510498 _ OCT ALPHA.pdf
Size 1.2MB
Sample240530-nz289agc21
SHA256 6e1784c5d55f794fbc756c8065a7f8590303a7ed07f624eb3e248860ca06db96
MD5 bb87b172620fa69b6d20d2fd6f79c0c8
SHA1 9f152123c0ba7673cb87a906711b41737a1efc67
SHA512 1c0266552c3f167300a7d31de2f08b4bfbd185beb75b3980bb124fdd8b02efe2986f3303e4b6a1a76f3c3aabe7fb8652406ba5bb2772c40a883792a0a560de6d
SSDEEP 24576:mnCTg2iMthXvY0cGaNhfx2i+1+yl4HJNFIxYKh84e6CLSy6vW:mKg+thXv9naN9biluf4eWyoW
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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4352	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 4764	4352	AcroRd32.exe	91
PID 4352 wrote to memory of 4764	4352	AcroRd32.exe	91
PID 4352 wrote to memory of 4764	4352	AcroRd32.exe	91
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 1348	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2932	4764	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\PRM 472510498 _ OCT ALPHA.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:4352
- 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:4764
- - 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=7FB3191A79ADB0EEE8CDB567AB293516 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1348
- - 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=9D4F94B68C344F7F067430CBD4EEB64F --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=9D4F94B68C344F7F067430CBD4EEB64F --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2932
- - 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=E33149E74AEE32EDA45ED40D317336E5 --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3852
- - 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=8AF8AF874744BE2DEA05F260BED5AC22 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3432
- - 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=833556CC07D37630C1803E3B5F61985B --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4252
- - 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=4ECFA36FB8F14487A9BBABAB8F3680B3 --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=4ECFA36FB8F14487A9BBABAB8F3680B3 --renderer-client-id=7 --mojo-platform-channel-handle=2504 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2168

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 de36ccd5d319707ae6eeac01d1c60ac87baf94419dbb03785dcc2335653d8e52
MD5 21b4cc88b8275b448ebf4fc91be6d1e2
SHA1 c3c90dde329bef469fc1e165eb52189fb8e05282
SHA512 dcca605fdd81998753d5e0acf37b09c00964a135e043188c318e24350f7b2e017fa7759f2a16b13133418c6dac852c3bb7ae4052d12c5df01e4bf261da1175b6
SSDEEP 384:ye8dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:f+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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