stormkitty | 229cbfd1358e41fe196d8ebb933d47df59ca25f95b3a063340b1e651adb250d6

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26-07-2024 23:09

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General

Target

761fe3bfd29723d4a7b71f22c1191dc6_JaffaCakes118.exe
Size

113KB
MD5

761fe3bfd29723d4a7b71f22c1191dc6
SHA1

dd3cf53d6054f31f9247137893acf9979ac8c9c2
SHA256

229cbfd1358e41fe196d8ebb933d47df59ca25f95b3a063340b1e651adb250d6
SHA512

47d74ad81589af992e846cfa82e9e56985554e7639a15896bdfd1d274d9025d913d97a6fae1a590b42ad7214aec3bf87efe1465517ce7fc968fb674128b0fb2d
SSDEEP

1536:eb3j2BCVNWiJxDQHqSaiD02g9usGA9bAFV2zoEXiLDU6pdjul+5:03j2BCV9LSTIvusN9bAeiLDU6pdWi

Score

10^/10

stormkitty discovery stealer

Malware Config

Signatures

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

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/5100-1-0x00000000007A0000-0x00000000007C2000-memory.dmp	family_stormkitty

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	761fe3bfd29723d4a7b71f22c1191dc6_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	761fe3bfd29723d4a7b71f22c1191dc6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
5048	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
4952	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5100	761fe3bfd29723d4a7b71f22c1191dc6_JaffaCakes118.exe
Token: SeDebugPrivilege	4952	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 1884	5100	761fe3bfd29723d4a7b71f22c1191dc6_JaffaCakes118.exe	90
PID 5100 wrote to memory of 1884	5100	761fe3bfd29723d4a7b71f22c1191dc6_JaffaCakes118.exe	90
PID 5100 wrote to memory of 1884	5100	761fe3bfd29723d4a7b71f22c1191dc6_JaffaCakes118.exe	90
PID 1884 wrote to memory of 1856	1884	cmd.exe	92
PID 1884 wrote to memory of 1856	1884	cmd.exe	92
PID 1884 wrote to memory of 1856	1884	cmd.exe	92
PID 1884 wrote to memory of 4952	1884	cmd.exe	93
PID 1884 wrote to memory of 4952	1884	cmd.exe	93
PID 1884 wrote to memory of 4952	1884	cmd.exe	93
PID 1884 wrote to memory of 5048	1884	cmd.exe	94
PID 1884 wrote to memory of 5048	1884	cmd.exe	94
PID 1884 wrote to memory of 5048	1884	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\761fe3bfd29723d4a7b71f22c1191dc6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\761fe3bfd29723d4a7b71f22c1191dc6_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpAA1B.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpAA1B.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1856
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 5100
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4952
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAA1B.tmp.bat

Filesize
153B

MD5
9d20ace563521d874e043c301b30773a

SHA1
bc28a7aa386a6ead7417d1bf4d7bcc72494b2066

SHA256
eacd06306a2d586d65315609a4d11a4663b62e7cb20790723b2aed6323fe38d1

SHA512
694491d08c415173fc7fe0145dceb4abb842d32271f1b83795db5acb4d3b292398efe1a9e97de078e9adf95b6b86b0be55a7d4b2e2d2225af809f3a8717e0eae

Download Submit
memory/5100-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/5100-1-0x00000000007A0000-0x00000000007C2000-memory.dmp

Filesize
136KB

Download
memory/5100-2-0x0000000005110000-0x0000000005176000-memory.dmp

Filesize
408KB

Download
memory/5100-3-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/5100-6-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download