e45f5f0a1288f6955902c10503541b53abd783d7b0678f8bd305de713aa07580

Analysis

max time kernel
152s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 23:44

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General

Target
1a87477c9fa5259a833e7e1c5b055e79.pdf
Size 15KB
Sample231224-3rfslsgbc3
SHA256 e45f5f0a1288f6955902c10503541b53abd783d7b0678f8bd305de713aa07580
MD5 1a87477c9fa5259a833e7e1c5b055e79
SHA1 98a87029acc663436457166c9760153ff2143373
SHA512 a18ef5479b613e933a2749ab03824f41afa5fa7fe5bb94474f703bf7f342fed08ef1876dc386d93fc1dc88896652c956cece00f2f6db50565365b3a7ccf632bb
SSDEEP 384:kufIap0VMFRL0h6fSFqV+HyZhmw96+6qdwMQAgsBojguW7:kuf9LLOcScV+SZhmw96+6qdwvAhB1
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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 1568	712	AcroRd32.exe	94
PID 712 wrote to memory of 1568	712	AcroRd32.exe	94
PID 712 wrote to memory of 1568	712	AcroRd32.exe	94
PID 712 wrote to memory of 2028	712	AcroRd32.exe	99
PID 712 wrote to memory of 2028	712	AcroRd32.exe	99
PID 712 wrote to memory of 2028	712	AcroRd32.exe	99
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 3908	1568	RdrCEF.exe	98
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100
PID 1568 wrote to memory of 4860	1568	RdrCEF.exe	100

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\1a87477c9fa5259a833e7e1c5b055e79.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:712
- 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:1568
- - 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=A57E24A1AB7989885A279C94A33BE23B --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3908
- - 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=5DC16D50FEE3002F4C974F77D95AD705 --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=5DC16D50FEE3002F4C974F77D95AD705 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4860
- - 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=A34CE0DED44C66506F33EE3495A4EFC0 --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=A34CE0DED44C66506F33EE3495A4EFC0 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5052
- - 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=C75AF66F3F4547110068FE2F468BCD9B --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3680
- - 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=46297339103EAB2958B4D68A0E318697 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1284
- - 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=0E88AA8163F39A0FAC45721D035263C1 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2264
- 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⤵
  PID:2028

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4400

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 826e74f79f09b34987f6579dd67922bd0a3fb65267a10b5dd5736d54b921f5c7
MD5 f7e8dd6ffa544fda1b66733e2f254932
SHA1 7fb7be352806896700b1cb1987285f50903bcc10
SHA512 14c77d6590192e74d5258c8eb4d806e8d429b6b155a9740a702ee2407f2f9360c3d180889efc402b95fff55fb6f5cd6360b599a084cf8e33ad0bafefb7160805
SSDEEP 384:ye/dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:q+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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