cab05d0b81650da02ea4caa6c0913e6ff34bf37ffa79f7590b271df2790616de

Analysis

max time kernel
141s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:43

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General

Target
0b37046cbc6962411ecfbeca4868d55d.pdf
Size 81KB
Sample231219-msc54sefel
SHA256 cab05d0b81650da02ea4caa6c0913e6ff34bf37ffa79f7590b271df2790616de
MD5 0b37046cbc6962411ecfbeca4868d55d
SHA1 5fc004f8b10d59e475296cb7709b43d95639670b
SHA512 0d0de35a4bde6ac6f8905d867e8695ff8f387aaec122e36d8adc9f2a2daa1d5e11d901fcf1d604c1e1fedf44933cb34c586a6ca1a389a0860afb6fede5fd071b
SSDEEP 1536:tPsCh/lwrecNcko6rjvKuu3YtN36rlzqjzfjeY/HmWypOlLYMZuwOWEfrSsMiW1n:mFFrjiuurqj77HHlLYMZ9+uBis
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3180	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 2704	3180	AcroRd32.exe	95
PID 3180 wrote to memory of 2704	3180	AcroRd32.exe	95
PID 3180 wrote to memory of 2704	3180	AcroRd32.exe	95
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 2496	2704	RdrCEF.exe	96
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	RdrCEF.exe	97
PID 2704 wrote to memory of 916	2704	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\0b37046cbc6962411ecfbeca4868d55d.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:3180
- 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:2704
- - 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=7555F4958BA6D3DAF30095EEC747C12F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2496
- - 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=29DE3E8C32BBF1E8A9DE2286CC622C0D --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=29DE3E8C32BBF1E8A9DE2286CC622C0D --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:916
- - 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=923360FBCDBEA53DBFBCA3A4D3EF3175 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1900
- - 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=A2F1F9950565F6DEEDCE12E36A09AE79 --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=A2F1F9950565F6DEEDCE12E36A09AE79 --renderer-client-id=5 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:452
- - 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=4EFE654645E6953546106DD92A5F2150 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4052
- - 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=5C1C62C88F74BD1560C62785C62576FE --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3220

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5096

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 192f1c1a420eb3745864a221e24a0f1c06bb9af1e0b1ee8c40a74856422f550d
MD5 028e0f290ed94b3e9292ee5a8d608f10
SHA1 6b9a5c2536f2b714b36463ec12b656bfa64cacf4
SHA512 4945ab7d6934a49c4f07d1e013c6abed7da617cf8289f6d971b5bb5e56813a9a5a368b8e6b8e1cc0fc35bd102ae602f4a58d79b93d33ae7d2af57e5020c09984
SSDEEP 384:yeedThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:l+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/3180-26-0x000000000B340000-0x000000000B390000-memory.dmp

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