ed2bae17191d310fe0a1569abe703f1a90c6b7f6536d25f1e71fe2766ee0b1e7

Analysis

max time kernel
148s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 01:45

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General

Target
233ec3c86369dfdab929fa8e3d0380e2.pdf
Size 76KB
Sample231231-b6k74aach4
SHA256 ed2bae17191d310fe0a1569abe703f1a90c6b7f6536d25f1e71fe2766ee0b1e7
MD5 233ec3c86369dfdab929fa8e3d0380e2
SHA1 bb484caecec2f67655bc96d65cf5b012aefba842
SHA512 aafeebf6140a28e206e45490260151b684736a9a8ed90d0e27dd676c471636e800c23d2dc73bd8a3bba6cd063bdac9689e7aff202011869a1f11bfcc88d7cef3
SSDEEP 1536:7K1+PyYkOsvTRmzMepIJXAcw3WdHsHGTiWcFESXRPv+x:++6YRJdOAcw3OHIFESBPs
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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2916	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 3300	2916	AcroRd32.exe	94
PID 2916 wrote to memory of 3300	2916	AcroRd32.exe	94
PID 2916 wrote to memory of 3300	2916	AcroRd32.exe	94
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 4108	3300	RdrCEF.exe	95
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96
PID 3300 wrote to memory of 2100	3300	RdrCEF.exe	96

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\233ec3c86369dfdab929fa8e3d0380e2.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:2916
- 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:3300
- - 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=AAE1F509FF1304F8E7E209746CF5ADD1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4108
- - 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=CECEB0EF52F6F63BCB40A77C527FBCCB --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=CECEB0EF52F6F63BCB40A77C527FBCCB --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2100
- - 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=7D0C00F1CDA83DF2AE6BA1C68C768C69 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4424
- - 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=005437BBD05C0250856EDF82DA3EAF2B --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=005437BBD05C0250856EDF82DA3EAF2B --renderer-client-id=5 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2232
- - 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=577E1CA31BDCB29159088737561CB0A1 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2352
- - 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=024848D57D1F67A6AA51B1996849ED7F --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2012

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2292

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 b28fd8c098f108f19bc4dae5b3cf3a5e0c1b5d2393452849de2c00403fc482dc
MD5 d6a9f5bff2e2c93f6587bbd652b03163
SHA1 d8766e7dac95c20df7decd156093dbe41577cf17
SHA512 fb3e3c0cc1ed52d0b6894fa6527705f372dda3f028094bfc17f90df7a2cde80ed2f46dc67bccfd6acbaf8f73d876e58b773897e3151b645898e37dcad02e5606
SSDEEP 384:yefdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:y+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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