e08aacc935f89f91376277ebe925763b5e69b8b874de2352c2cd57bc0e36b715

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 13:32

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General

Target
21f702bf24f9f505c8b894ac3db4c773.pdf
Size 5KB
Sample231225-qs2p9aceh2
SHA256 e08aacc935f89f91376277ebe925763b5e69b8b874de2352c2cd57bc0e36b715
MD5 21f702bf24f9f505c8b894ac3db4c773
SHA1 315c9a540b475c60579f2a064ef028fe75db9b8b
SHA512 0ac93cd0b2ef108d8a005c925f95cabaf5eff7bf4dd0c6e296cb2d0562c77418e361c05811fd90d38a11b4a7f4588763d0c4681549f125f12aea82c3d6ee3eac
SSDEEP 96:kIiAwd2/uRjkTjfXi2qQI8vXcP/LLjaulTyzmxB7cr1H1Dkyg7PuWWFq4kC1YdDV:oAG2/yijfXi2BtEHL/auozm/YjSPuWWW
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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
684	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 756	684	AcroRd32.exe	91
PID 684 wrote to memory of 756	684	AcroRd32.exe	91
PID 684 wrote to memory of 756	684	AcroRd32.exe	91
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 444	756	RdrCEF.exe	92
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	RdrCEF.exe	93
PID 756 wrote to memory of 948	756	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\21f702bf24f9f505c8b894ac3db4c773.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:684
- 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:756
- - 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=C8FA87A74556098D1E6023B77E7B7B6B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:444
- - 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=00D8AD7A28938250878EBD0624264EFE --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=00D8AD7A28938250878EBD0624264EFE --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:948
- - 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=7F6926ED9EA915DFF754AC8136689609 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:996
- - 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=4A2265F1333655DB68025756BFCE636C --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3648
- - 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=B30421703A56D324038A6C37AED3C1FF --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=B30421703A56D324038A6C37AED3C1FF --renderer-client-id=6 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4372
- - 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=77996CAB775D0089C4C9523053D45847 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3696

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 1db54a0671738f926eeb079d7db7c716a17f5cba7d1322a0cbe48de6702a78ac
MD5 781302e0e6266f16b8d3b283f3694060
SHA1 0f8db3f3c5edd08cb7e5d9069edf701121d8df81
SHA512 3e4d530f89c18aa34d200ec4ae22302b5d179cbc100e51debb8e90cf5e5f19839cc63ac8d1b6c91a4620434e0d0d7dac95c169dbbc3eb961a7f23b78a2c936ca
SSDEEP 384:yeGdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:l+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
MD5 c26ed30e7d5ab440480838636efc41db
SHA1 c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA512 96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
SSDEEP 192:xedRBsKhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:xe+KhBvkZsLRGlzh+vS9
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/684-128-0x000000000A6A0000-0x000000000A6C1000-memory.dmp

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memory/684-136-0x000000000AF90000-0x000000000B0DD000-memory.dmp

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memory/684-134-0x000000000A6A0000-0x000000000A6C1000-memory.dmp

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memory/684-140-0x000000000A6A0000-0x000000000A6C1000-memory.dmp

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