stormkitty | 8a08c5c435d4504bc57a6ad63b49f8b33d05ba06cf2a73941fde6e3f65988e45

General

Target

Anydesk.exe
Size

3.9MB
MD5

c30a168ae9c4e3980b7091b3709b1b59
SHA1

2f09434670080fde17283c8a07a493d3ad9aa074
SHA256

8a08c5c435d4504bc57a6ad63b49f8b33d05ba06cf2a73941fde6e3f65988e45
SHA512

777cbd97c84c0ee354f238b09fa5c349c5389f06436d698f0c04e51b4cf30d5f73eb90d32b604de27a5565684be4b98d703f833d1ac27df3a69cb0ef40dfaefb
SSDEEP

98304:4ysHc8EnmSWgex5brdsC0hLR8foTFVnkZxyTZXxH:4ysHH4HnOuCCLRAoHGyTZXxH

Score

10^/10

stormkitty spyware stealer

Malware Config

Signatures

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1616-132-0x00000292649F0000-0x0000029264DE8000-memory.dmp	family_stormkitty

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\svchoster.exe	WebBrowserPassView
C:\Users\Admin\AppData\Local\Temp\svchoster.exe	WebBrowserPassView

Nirsoft 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\svchoster.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\svchoster.exe	Nirsoft

Executes dropped EXE 1 IoCs

Processes:

svchoster.exe

pid process

3880 svchoster.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

Anydesk.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation Anydesk.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 checkip.dyndns.org
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	Anydesk.exe

flow	ioc
5	checkip.dyndns.org

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

chrome.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

svchoster.exechrome.exechrome.exechrome.exechrome.exe

pid	process
3880	svchoster.exe
3880	svchoster.exe
3880	svchoster.exe
3880	svchoster.exe
1144	chrome.exe
1144	chrome.exe
3536	chrome.exe
3536	chrome.exe
2340	chrome.exe
2340	chrome.exe
2852	chrome.exe
2852	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

Processes:

chrome.exe

pid process

3536 chrome.exe
3536 chrome.exe
3536 chrome.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Anydesk.exe

description pid process

Token: SeDebugPrivilege 1616 Anydesk.exe

description	pid	process
Token: SeDebugPrivilege	1616	Anydesk.exe

Suspicious use of FindShellTrayWindow 27 IoCs

Processes:

Anydesk.exechrome.exe

pid	process
1616	Anydesk.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

Processes:

chrome.exe

pid	process
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe
3536	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

Anydesk.execmd.execmd.exechrome.exe

description	pid	process	target process
PID 1616 wrote to memory of 4640	1616	Anydesk.exe	cmd.exe
PID 1616 wrote to memory of 4640	1616	Anydesk.exe	cmd.exe
PID 1616 wrote to memory of 3512	1616	Anydesk.exe	cmd.exe
PID 1616 wrote to memory of 3512	1616	Anydesk.exe	cmd.exe
PID 3512 wrote to memory of 4024	3512	cmd.exe	chcp.com
PID 3512 wrote to memory of 4024	3512	cmd.exe	chcp.com
PID 4640 wrote to memory of 3880	4640	cmd.exe	svchoster.exe
PID 4640 wrote to memory of 3880	4640	cmd.exe	svchoster.exe
PID 4640 wrote to memory of 3880	4640	cmd.exe	svchoster.exe
PID 3512 wrote to memory of 2284	3512	cmd.exe	netsh.exe
PID 3512 wrote to memory of 2284	3512	cmd.exe	netsh.exe
PID 3512 wrote to memory of 2140	3512	cmd.exe	findstr.exe
PID 3512 wrote to memory of 2140	3512	cmd.exe	findstr.exe
PID 3536 wrote to memory of 2404	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 2404	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 3300	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 1144	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 1144	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 312	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 312	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 312	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 312	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 312	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 312	3536	chrome.exe	chrome.exe
PID 3536 wrote to memory of 312	3536	chrome.exe	chrome.exe

C:\Users\Admin\AppData\Local\Temp\Anydesk.exe
"C:\Users\Admin\AppData\Local\Temp\Anydesk.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1616

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C start %temp%\svchoster.exe /stext "%temp%\Passes.cpp"
2⤵
- Suspicious use of WriteProcessMemory
PID:4640

C:\Users\Admin\AppData\Local\Temp\svchoster.exe
C:\Users\Admin\AppData\Local\Temp\svchoster.exe /stext "C:\Users\Admin\AppData\Local\Temp\Passes.cpp"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3880

C:\Windows\SYSTEM32\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
2⤵
- Suspicious use of WriteProcessMemory
PID:3512

C:\Windows\system32\chcp.com
chcp 65001
3⤵
PID:4024

C:\Windows\system32\netsh.exe
netsh wlan show profile
3⤵
PID:2284

C:\Windows\system32\findstr.exe
findstr All
3⤵
PID:2140

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4984

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3536

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ff8b0274f50,0x7ff8b0274f60,0x7ff8b0274f70
2⤵
PID:2404

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1628,4946648219790827840,16732886444914873660,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1636 /prefetch:2
2⤵
PID:3300

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1628,4946648219790827840,16732886444914873660,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2004 /prefetch:8
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1144

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1628,4946648219790827840,16732886444914873660,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2324 /prefetch:8
2⤵
PID:312

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1628,4946648219790827840,16732886444914873660,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3000 /prefetch:1
2⤵
PID:4172

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1628,4946648219790827840,16732886444914873660,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3204 /prefetch:1
2⤵
PID:1640

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1628,4946648219790827840,16732886444914873660,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3880 /prefetch:1
2⤵
PID:3604

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1628,4946648219790827840,16732886444914873660,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4484 /prefetch:8
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2340

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1628,4946648219790827840,16732886444914873660,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4956 /prefetch:8
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2644

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchoster.exe
Filesize
391KB

MD5
053778713819beab3df309df472787cd

SHA1
99c7b5827df89b4fafc2b565abed97c58a3c65b8

SHA256
f999357a17e672e87fbed66d14ba2bebd6fb04e058a1aae0f0fdc49a797f58fe

SHA512
35a00001c718e36e956f49879e453f18f5d6c66bbc6a3e1aad6d5dd1109904539b173c3cad0009bc021d4513a67ae0003282f7d14b7aecaa20e59a22c6ad0ddb

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchoster.exe
Filesize
391KB

MD5
053778713819beab3df309df472787cd

SHA1
99c7b5827df89b4fafc2b565abed97c58a3c65b8

SHA256
f999357a17e672e87fbed66d14ba2bebd6fb04e058a1aae0f0fdc49a797f58fe

SHA512
35a00001c718e36e956f49879e453f18f5d6c66bbc6a3e1aad6d5dd1109904539b173c3cad0009bc021d4513a67ae0003282f7d14b7aecaa20e59a22c6ad0ddb

Download Submit
\??\pipe\crashpad_3536_DERMKVSWRWOKFDVN
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/1616-144-0x000002927F2C0000-0x000002927F2DE000-memory.dmp

Filesize
120KB

Download
memory/1616-133-0x00007FF8A1980000-0x00007FF8A2441000-memory.dmp

Filesize
10.8MB

Download
memory/1616-134-0x000002927F160000-0x000002927F17A000-memory.dmp

Filesize
104KB

Download
memory/1616-147-0x00007FF8A1980000-0x00007FF8A2441000-memory.dmp

Filesize
10.8MB

Download
memory/1616-146-0x000002927FBF0000-0x000002927FC2C000-memory.dmp

Filesize
240KB

Download
memory/1616-145-0x000002927F2E0000-0x000002927F2F2000-memory.dmp

Filesize
72KB

Download
memory/1616-132-0x00000292649F0000-0x0000029264DE8000-memory.dmp

Filesize
4.0MB

Download
memory/1616-143-0x000002927FC30000-0x000002927FCA6000-memory.dmp

Filesize
472KB

Download
memory/2140-141-0x0000000000000000-mapping.dmp

Download
memory/2284-140-0x0000000000000000-mapping.dmp

Download
memory/3512-136-0x0000000000000000-mapping.dmp

Download
memory/3880-138-0x0000000000000000-mapping.dmp

Download
memory/4024-137-0x0000000000000000-mapping.dmp

Download
memory/4640-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads