c54dbd8703831318833368bfd7366b0e73abada1ad6f2ef93529709db40f6c85

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 08:30

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General

Target
9b353475103e577beae73212ddc09bdf.pdf
Size 48KB
Sample240214-keclbaeh24
SHA256 c54dbd8703831318833368bfd7366b0e73abada1ad6f2ef93529709db40f6c85
MD5 9b353475103e577beae73212ddc09bdf
SHA1 6d646fd73956e9296cd29ad14d636a5123be6a93
SHA512 ffaf83da322752c419fdf049a89e360b8f02161514e99cca495c017860b1a9d92dec8cc17057456bb0ace965fe1d744d85572ee4dc5475a1ac0dbfa556efbcbe
SSDEEP 768:cNLmqZ6uYK1DPfiSFWlbRAYW6PEUBiY0IWHx+3Z7uKbxXSHY2v7m:TqsuY4CSwRSYDEUiH+IKbxuv6
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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2320	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 3976	2320	AcroRd32.exe	85
PID 2320 wrote to memory of 3976	2320	AcroRd32.exe	85
PID 2320 wrote to memory of 3976	2320	AcroRd32.exe	85
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 4744	3976	RdrCEF.exe	86
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87
PID 3976 wrote to memory of 532	3976	RdrCEF.exe	87

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\9b353475103e577beae73212ddc09bdf.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:2320
- 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:3976
- - 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=DE7AF9AA55A5EE7C764C2069EA7873EA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4744
- - 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=ABAB6F5A1E85C2E13A6DC2C006C9976D --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=ABAB6F5A1E85C2E13A6DC2C006C9976D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:532
- - 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=A78DE75F30A2EDECCB52261A2CCAF1B0 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4792
- - 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=30F04866CBF5BE6AD257D9DD018424FE --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1268
- - 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=23387E5FE5C77CB22C7D89ABABF9EB84 --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=23387E5FE5C77CB22C7D89ABABF9EB84 --renderer-client-id=6 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2728
- - 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=812BC0F596CF12A676D8B7BE8822F608 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1140

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4872

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 85e757ac71a05070efdddad95183a4e28f8c331b1f64f56dc1bc88cf0722c123
MD5 22be25aecfae0f67da1fa947817f5476
SHA1 f5610962a65018dba7599cc1d7b0c71acc6b7dd3
SHA512 7131995c37cd5d977b66bf8fc22cbccdcb9152d527823277b718011e58a4a959a569d01463df868b2eb821eb906875b5c4ec9ef377d207f8abaccfc4320083ff
SSDEEP 384:yeNdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:k+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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memory/2320-26-0x000000000A560000-0x000000000A5B0000-memory.dmp

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