689b97efc469d1e6f837ea9ce2bf25ae7fb902900fd1cd945a8e3115b43e22dc

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
27/05/2024, 23:11

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General

Target
689b97efc469d1e6f837ea9ce2bf25ae7fb902900fd1cd945a8e3115b43e22dc.pdf
Size 297KB
Sample240527-26hebaef67
SHA256 689b97efc469d1e6f837ea9ce2bf25ae7fb902900fd1cd945a8e3115b43e22dc
MD5 a72d70ad6e32f56faa2c258d1af944a1
SHA1 0f8d8fe31e87d729569c25db1aee7a2cbe0e2ff4
SHA512 ff2d433f90cfe43bb110905986cfe95a553104c3c7f1ce61403e0893243b83fe98a10ccd86f6097068d4af35a75b919ac4b6fab2c7e33527a08d89fa967b8589
SSDEEP 6144:Z84gMyY9zSB/Fu/pVtNVId/rv+yM2vzjv:bH9zSB/Fu/mj+ytvzr
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-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 440	2988	AcroRd32.exe	86
PID 2988 wrote to memory of 440	2988	AcroRd32.exe	86
PID 2988 wrote to memory of 440	2988	AcroRd32.exe	86
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 3968	440	RdrCEF.exe	89
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90
PID 440 wrote to memory of 4504	440	RdrCEF.exe	90

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\689b97efc469d1e6f837ea9ce2bf25ae7fb902900fd1cd945a8e3115b43e22dc.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:2988
- 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:440
- - 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=645A522E3C21C3F9ED0993D72DB9B50D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3968
- - 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=549D5705C5E364253D833BE987B254C5 --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=549D5705C5E364253D833BE987B254C5 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4504
- - 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=B0F3F5AEF8CBEE33355394A5A269B895 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:640
- - 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=5F2E7AE9E8E47EC49B3741B0FD5F8FF0 --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=5F2E7AE9E8E47EC49B3741B0FD5F8FF0 --renderer-client-id=5 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1108
- - 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=FBE58CF72BFD7FDDE10A82C60743A083 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1744
- - 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=31369BA8ED5E5D06DDCD4640E80B997E --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3384

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4276

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 44cf0f1ed3258e9459145f01b79e6bded51849d5248284084dd47395c951ddf2
MD5 613a98afeec31320175792bac89811c1
SHA1 372899b054c79a72edc67c797f407159e3b59ecd
SHA512 4e0644f8a51dcdb6b06588c708eccb7bef18ae152c1cb507c10b76f0d6e2de3c249364237e04f5309610bb4d990be89c98607b0c901e3e1880f81c15d1bc3686
SSDEEP 384:yeadThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:J+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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