kinsing | 0f8f5d03de8eb7e88ad31ac630dd82cbdc361939fed933f653690747a8e3140c

Resubmissions

25-01-2024 18:00

240125-wlrvcscce4 3

25-01-2024 17:55

240125-whq4nacbf5 10

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 17:55

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General

Target

75257f56b8d3e99acebcf7cafd520fb9.pdf
Size

80KB
MD5

75257f56b8d3e99acebcf7cafd520fb9
SHA1

70dd11a345b00ea2a6546b14017c602cbfb43258
SHA256

0f8f5d03de8eb7e88ad31ac630dd82cbdc361939fed933f653690747a8e3140c
SHA512

79048109761e9c8761c84b80f01e4ac1091705902bf1679500c5ca72e4c6eca05b33b057ed497960fc3d1619851c70b5fd0d56f7d4b832ae0ebafdd4914bba23
SSDEEP

1536:X0+nBHYbKcrfprjA9kgC5UqapUnpVn3MXo/PF8RWipOPIn8V/WWl8uU/cemAT7:EcBH6KcLprjALuLn3MgN8SPIGhlacXAX

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 1516	1136	AcroRd32.exe	90
PID 1136 wrote to memory of 1516	1136	AcroRd32.exe	90
PID 1136 wrote to memory of 1516	1136	AcroRd32.exe	90
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 2900	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 4056	1516	RdrCEF.exe	93

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\75257f56b8d3e99acebcf7cafd520fb9.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:1136
- 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:1516
- - 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=F18FFEE70C4BDE6C9DCF63F844917A5D --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2900
- - 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=A3F0D8C59094568316459A7F6C9DD194 --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=A3F0D8C59094568316459A7F6C9DD194 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4056
- - 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=09F192BE7D6D31BE5A846C1D78DF33D5 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4984
- - 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=32B2E668CB5740D03F2D9A346698EFBF --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=32B2E668CB5740D03F2D9A346698EFBF --renderer-client-id=5 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5116
- - 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=3F418AB569E44241A12E26CE3CC7FD92 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:788
- - 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=E13A36AFB1239E73EDEEE3A11079CBC0 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1296

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2768

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
a1532fe7fe535a8c196196287bab8f6e

SHA1
d8de2887b3c820e2dadeda02b077828ef1ad1c6b

SHA256
55a3c26af3968b50525d76ae14ee840806b56ecf865cf90b9ac6eed78a36a2bc

SHA512
50b944136606fd2535f36a2cf59ab490303b823e482cd465411df6a3b2a8fdc14d3336ece3eb0b238ea24faba1cdee407dcc0966132971d99bad804ffa2da483

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