23a6213ca0cea3223909b8f6907ba6543442dc97b52d8a624736322961460cf7

Analysis

max time kernel
169s
max time network
176s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 12:44

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General

Target
1f6fed3bdeb031ce4d82504f24328fc1.pdf
Size 51KB
Sample231225-pyw7aafcb7
SHA256 23a6213ca0cea3223909b8f6907ba6543442dc97b52d8a624736322961460cf7
MD5 1f6fed3bdeb031ce4d82504f24328fc1
SHA1 c8f4a02e86e5e16c28d4f0ccf940af2a3020122b
SHA512 35f47258bcec50a30060c4dbdbdaaa7261e6c52eda11248c84beff301bb88a9844b3810bcf642e6fb3fdadfe16ff8320a6eb6b220d131c4cb359f3ee3b11e073
SSDEEP 768:H7HNMHmffFC04Knh9ARknJdd71TkBbzyYOxvgwILthK0tGfY7g1qNqwVEHa:hFC0/Td7xkBbVY4hREQ72fBa
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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 1656	3972	AcroRd32.exe	93
PID 3972 wrote to memory of 1656	3972	AcroRd32.exe	93
PID 3972 wrote to memory of 1656	3972	AcroRd32.exe	93
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 180	1656	RdrCEF.exe	96
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97
PID 1656 wrote to memory of 2848	1656	RdrCEF.exe	97

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\1f6fed3bdeb031ce4d82504f24328fc1.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:3972
- 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:1656
- - 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=3664186EB9470DDC00B842850A8F32A1 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:180
- - 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=7AB078E361E25063B6A0118097F70E0E --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=7AB078E361E25063B6A0118097F70E0E --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2848
- - 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=88206EB828FE2AB35DE071F048C47927 --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=88206EB828FE2AB35DE071F048C47927 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1660
- - 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=0BF5CD1BE5292BE419775BE506C8A805 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2776
- - 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=B2A70017C094B0877EB208D864D71515 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:968
- - 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=EDB2D6935AF1DE3F21EA557128153AC5 --mojo-platform-channel-handle=2024 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4088

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4320

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 7fb78714454e877a44dea30e1ff34061a7b0883bc373efe1390ab6ec5537a7d3
MD5 df5b401c5d49e7a0fb7a32e6043d0d82
SHA1 72cb61829f9ba3f619e5c0a1165ccb6fe8e663c9
SHA512 07cb77c9e65296c23c8e7d25229e8e7bf554a35fde12cf728d46f00d897b70f47efb1f6ac52b145db6ac13fec7017b27cd110cd14b80d3585c1ff81bfcdd1d64
SSDEEP 384:yeMdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:X+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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