df5db51c447e44c0753bde771c59f73a8266dad3fd0ab7189c2640bbf7ec5322

Resubmissions

30/05/2023, 04:35

230530-e7xjasfb9810

24/05/2023, 11:54

230524-n253xscc8610

Analysis

max time kernel
292s
max time network
288s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
30/05/2023, 04:35

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General

Target
About/About.pdf
Size 185KB
Sample230530-e7xjasfb98
SHA256 dafccfc02c2ad502683ddf61224d6d66eba1e6d5ba13a92b15381af51bb4715a
MD5 f8e98d604f7c63275ee8739708345baf
SHA1 218bb6ab3a6b4899c22ae798691c30acfe423a7c
SHA512 05076043c463a3483cd6be000407ba6a5641413a4e0928b2ea1f6ab84bf2b1244c6737b221be7dc9db7a1ea8fc5ea2c34782307babe77916d33ae6cb19b6de05
SSDEEP 3072:GdbzlBgmxq3pSxw8FE92HVePu0kiFRiNifT9hQfmRcUQ88k4YLs3L2yFAVxVRjKm:GdbvTq3Mk21GuUFENYTsmRcOoY46yFAV
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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3768	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3768 wrote to memory of 3028	3768	AcroRd32.exe	82
PID 3768 wrote to memory of 3028	3768	AcroRd32.exe	82
PID 3768 wrote to memory of 3028	3768	AcroRd32.exe	82
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 2800	3028	RdrCEF.exe	83
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84
PID 3028 wrote to memory of 4896	3028	RdrCEF.exe	84

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\About\About.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:3768
- 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:3028
- - 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=C72C5955D37A8A59580517BE554B6249 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2800
- - 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=B4823F5B9AAD6FDBDC7EADFE0FD48AD0 --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=2 --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=B4823F5B9AAD6FDBDC7EADFE0FD48AD0 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4896
- - 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=C4663A265ED2BCBF8ED02DE6110DFF65 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:320
- - 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=03412FC2332D1ED1CA94978760E0E17E --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=2 --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=03412FC2332D1ED1CA94978760E0E17E --renderer-client-id=5 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4348
- - 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=60EF6F7787BA684C7A9731FC1AC6F937 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1800
- - 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=653B2F15D85C9D95353DB0D7003DB568 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4676

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4580

Network

MITRE ATT&CK Enterprise v6

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 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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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 b5a121f6ba7a314d3c3a58091ea1b4937b57069f969b8129986e351c3a2f2a6f
MD5 549dec5edbe6aef983a9946e37856678
SHA1 c7b500f0a1494d93c5f0e18791e9d82b66051e7a
SHA512 eff03bd4cc9d3a2da6442244da323759c15b2d3f7a14c1dc1c315b439c4721d3b822a34d4cb623321692794fdb2803a2ce49d45d1652f6b9d7f933b25aa68059
SSDEEP 384:yetdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:M+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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