8e025b3cff28b971aca38e6ceaa8f87b83b69b38a9e64c839ac923d9ab56fcd7

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
14/06/2024, 01:14

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General

Target
8e025b3cff28b971aca38e6ceaa8f87b83b69b38a9e64c839ac923d9ab56fcd7.pdf
Size 440KB
Sample240614-bl4tpsyhqb
SHA256 8e025b3cff28b971aca38e6ceaa8f87b83b69b38a9e64c839ac923d9ab56fcd7
MD5 eeea982f5237b7fbfeeee70bef9bc2ea
SHA1 3f6d159d27cca7ac1af00f58fd73d3e9625f822b
SHA512 3f9e3b78d8ceec3fb6e1b30bedc6db36a81ba73b16b9bed48f92b71d2b9bd1dccfe71fd5e04c28d321ffd98745921fd46c230b2b6fbcc5d98648da643089eef2
SSDEEP 12288:+8b7ykxL1snEw2XSPVHECKcLtXRepe/fcI9hw:+8yAhsnEnXSdH8ghL/Vhw
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-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 3116	4804	AcroRd32.exe	85
PID 4804 wrote to memory of 3116	4804	AcroRd32.exe	85
PID 4804 wrote to memory of 3116	4804	AcroRd32.exe	85
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 1688	3116	RdrCEF.exe	86
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	RdrCEF.exe	87
PID 3116 wrote to memory of 2460	3116	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\8e025b3cff28b971aca38e6ceaa8f87b83b69b38a9e64c839ac923d9ab56fcd7.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:4804
- 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:3116
- - 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=D40DBE6288732D1CAA5D9414C43AF743 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1688
- - 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=19713A3EF1DE4795D372F2EAFB2544BD --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=19713A3EF1DE4795D372F2EAFB2544BD --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2460
- - 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=BCC3B8D81516C8F9AF2993E0055ABDB2 --mojo-platform-channel-handle=2292 --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=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=365ED2F6B1218CD5A2525BD8E1413D41 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4820
- - 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=E6877C80184C39A3AC0916626C918107 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3164
- - 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=E52D074F98F3620510CFE99EB09E0C67 --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=E52D074F98F3620510CFE99EB09E0C67 --renderer-client-id=7 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:724

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 bb98777a12b0bdb5efd1b57c90532935b534ce09ab044f8d79b63e049d2dc765
MD5 a85a8e5958b07e96bbd137ba2085e439
SHA1 614bbdd9e1f78ad3562ad5e08a7840e72268cfa9
SHA512 bafea7cc655a4b7d47be2f8fc62de397f1401871eef73ad9e46772f0ca347a0a3abb814e2dd6bcd39480c5d8c55a26d0f6662222948575b45e0ca67f605d6521
SSDEEP 384:yeidThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:B+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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