6e4ceab7e8e7ae64e754a095666331a571d6dc71965ed01fc2a7cb6015e5aec8

Analysis

max time kernel
171s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 06:19

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General

Target

2b7df4f6e549fa6a9992e71c179678dc.pdf
Size

93KB
MD5

2b7df4f6e549fa6a9992e71c179678dc
SHA1

b7a78368e13e84a1d4650366a321ef2d6fd7c7d5
SHA256

6e4ceab7e8e7ae64e754a095666331a571d6dc71965ed01fc2a7cb6015e5aec8
SHA512

4bb06a408760d8498090a4c9f8df1c1b319090fa52bc07006337628b315da57cd2d51ce30cf5394b63528d1d0ba09e00b2cdb92ed630f503052c180c6f711441
SSDEEP

1536:3aGomlMAy7WygBzvMQs0ujCU5lz+tFQXOhkwbASWYpO2WsCkQP9jWATm6wSIjE:AYMAawvMX0ujh1KQXOs2WDkW906wSb

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
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 1708	3732	AcroRd32.exe	92
PID 3732 wrote to memory of 1708	3732	AcroRd32.exe	92
PID 3732 wrote to memory of 1708	3732	AcroRd32.exe	92
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2788	1708	RdrCEF.exe	93
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94
PID 1708 wrote to memory of 2796	1708	RdrCEF.exe	94

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\2b7df4f6e549fa6a9992e71c179678dc.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:3732
- 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:1708
- - 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=99F7AA4BBCB44870022B1767B1444161 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2788
- - 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=1F8D0967915FEE3A5871607AC25A1F3A --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=1F8D0967915FEE3A5871607AC25A1F3A --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2796
- - 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=F1BA645728A7CF806EB2308EFD0B994C --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4156
- - 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=9F3418E0FCFC312044BFB75A99B7AE8C --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=9F3418E0FCFC312044BFB75A99B7AE8C --renderer-client-id=5 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4836
- - 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=C5AED36342ED7098598575F7AB6886BE --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2288
- - 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=CD051953F32CD88699E62E1AB7DD245C --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2756

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
875ea7e1fd3c1df18f82804c9904cb7a

SHA1
3fa1ca2c4ca592400218d294c0b6fa5eca598643

SHA256
3df131213c88c436ed185bd29bfd5eeab4bce25c615b634119e7a12a4392baf1

SHA512
1a866de41f44b7d4fe03fab78348484aaa12c8d2682b42aa6c7208f506952c740f31be97a7df5f06075d3cd8173445d176d7039f45116bcf6a92ba635e91c051

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/3732-45-0x000000000C190000-0x000000000C1B1000-memory.dmp

Filesize
132KB

Download
memory/3732-143-0x000000000E020000-0x000000000E16D000-memory.dmp

Filesize
1.3MB

Download