kinsing | cb75f1b1356e87ffc64352bbcd47fd05431cdccfedf672499c48fdd953b5cd4b

Analysis

max time kernel
1042s
max time network
591s
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 17:12

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General

Target

unblocker.pdf
Size

352KB
MD5

58e1544e10d0f339b5f50eaf63a62e6e
SHA1

812a8a29a81aecfecba8dd9ad382ae5e00abf92c
SHA256

cb75f1b1356e87ffc64352bbcd47fd05431cdccfedf672499c48fdd953b5cd4b
SHA512

85f79f5f78656477134914236b53d076b8c5e68d3e5dba6b7b5c735360ce140b7cd3d2cf6cd0e83c2e07c7676fb36a5396e7019d54b1142b3d98042e4bcac020
SSDEEP

6144:zISwrqYcmAxHG4R8Gb3fQOf/up4ve66vGrH+pDx4R9EkZxKiE7QE93e1ZYnx3C1E:zISwrZAxHNuxmv3rHODxWhKd73hnxy1E

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
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4380	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 8	4380	AcroRd32.exe	92
PID 4380 wrote to memory of 8	4380	AcroRd32.exe	92
PID 4380 wrote to memory of 8	4380	AcroRd32.exe	92
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 1104	8	RdrCEF.exe	93
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	RdrCEF.exe	94
PID 8 wrote to memory of 4528	8	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\unblocker.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:4380
- 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:8
- - 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=FF41D75A9DA5117B7EC2156D3152D9F9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1104
- - 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=AA837F27B06A5C7A5FE322BE88E52F52 --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=AA837F27B06A5C7A5FE322BE88E52F52 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4528
- - 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=32EEA230EC13F03F675DE42445E17CB3 --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=32EEA230EC13F03F675DE42445E17CB3 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --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=CBED2D4459743ED3847A2AFC6BB7C5A3 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:656
- - 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=C6D9A33E1F69E6AB079C979FA7165EF9 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4340
- - 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=EBD5FDA2CB0BE7B15FF700E119C5B759 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4792

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1932

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
d3813a7bdc0cd9a7e1755cd6e2a9e6d7

SHA1
7785efea3feb022c8afcde100ac9a98ca08bb826

SHA256
f8f6563869970c8890d9865d6c1756113cbcc623273e5944d5a5ab9ec3dc0877

SHA512
9cb6eb1141cdbd444bbf3bfd1e1cf8203ecbb9042ca207ab431bba91b25b9c01bfd1c2ca361ffe4a1d87b258d343929562d3590facb2c46200f13a1340a705cd

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