62c40eec9bb42775c6f97ae91446b627ad65ca1b342b7260d833589a5205c96f

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 08:06

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General

Target

a15e07be465210bc56aff96e2e8777f4.pdf
Size

39KB
MD5

a15e07be465210bc56aff96e2e8777f4
SHA1

b882f3ffcaa8e7000b16bebed63e8066f43b3be3
SHA256

62c40eec9bb42775c6f97ae91446b627ad65ca1b342b7260d833589a5205c96f
SHA512

50fd877c73096f8109f3b1fd01676c13ad53829479487b38bfbbda8216bb7404dbfd0eb28b3d9cacaba1d32bbe06ef883df39a0ba45e00f5bf887f9926be3341
SSDEEP

768:StdJHfWRENaWKaamr4KnDDlYuDlCL8W1BEC+cXa/kt3gHt6veQJXxs7:StdJ6CamrHDRYuBCL8W12C+ma/k3e6v0

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-1-5-21-1712835645-2080934712-2142796781-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 4484	880	AcroRd32.exe	95
PID 880 wrote to memory of 4484	880	AcroRd32.exe	95
PID 880 wrote to memory of 4484	880	AcroRd32.exe	95
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 4748	4484	RdrCEF.exe	96
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	RdrCEF.exe	97
PID 4484 wrote to memory of 768	4484	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\a15e07be465210bc56aff96e2e8777f4.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:880
- 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:4484
- - 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=B74E54A4F48D2934B6D1C741AF765A2C --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4748
- - 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=782C5E2BFF57D025E6C9DDC99CEFE883 --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=782C5E2BFF57D025E6C9DDC99CEFE883 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:768
- - 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=FE3071024D267C6AEF516094153D89C2 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:824
- - 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=54549E0FA0C9C59D97FCDC5AE6F37241 --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=54549E0FA0C9C59D97FCDC5AE6F37241 --renderer-client-id=5 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3588
- - 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=8A4D601E4AEA53417CFBFFC967A13F6F --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=D369C1C20B32B869B40A3D895684493B --mojo-platform-channel-handle=2232 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3568

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:876

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
01ceeab1dbe3c3924e0f26a7f85ab6ac

SHA1
205179d5c3dcce8e44fd46ffa8f8e43f20c38134

SHA256
2282b801d131417084e83841c18c0016a8d1319a798255ea950b14cfe22c8c4e

SHA512
3359608e421588dcf2634c83d63944fd1b159b05050ca9668fd8246a3f99b79d9f8415c3f34a7c771c3e632cccba972c7b55c8f757894e2ed242e99627a85438

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
memory/880-26-0x000000000A6B0000-0x000000000A700000-memory.dmp

Filesize
320KB

Download
memory/880-28-0x000000000A6B0000-0x000000000A6D1000-memory.dmp

Filesize
132KB

Download