stormkitty | 46e1081372a9209e9bb11225ecfdcd3d3824a51a568c03763e2c689c4ef3928f

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 17:48

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General

Target

DiscordMulty/DRouter.exe
Size

1.9MB
MD5

4d978f4a830f374b5867f1ae53b08ffc
SHA1

827b301d630a037a6559acc3b63612fded885767
SHA256

a881c67a5ad97fed46616a1c219a4c70fffcbe3ec1f0c900747e2ba75131b143
SHA512

f9339c421b5a8ee85358d0a4384ef3d203cb68572152f02c9610c4c371091d5c5caed5fde3a3c379ef3feaa2c86cc123e09596fb8862816ea60ae2d78d6a6091
SSDEEP

3072:gq6+ouCpk2mpcWJ0r+QNTBfqcm2GvaDE:gldk1cWQRNTBS

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
behavioral5/memory/2860-27-0x0000000000BF0000-0x0000000000CAE000-memory.dmp	family_stormkitty

Executes dropped EXE 1 IoCs

pid	Process
2348	ctfmom.exe

Loads dropped DLL 1 IoCs

pid	Process
2860	websocket4.pif

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2132 set thread context of 2860	2132	websocket4.pif	37
PID 2860 set thread context of 2056	2860	websocket4.pif	38

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2876	2552	WerFault.exe	33

System Location Discovery: System Language Discovery 1 TTPs 6 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	websocket4.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ctfmom.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DRouter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	websocket4.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	webhttp.pif

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2348	ctfmom.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 2 IoCs

pid	Process
2132	websocket4.pif
2552	webhttp.pif

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	MSBuild.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2096	2356	DRouter.exe	30
PID 2356 wrote to memory of 2096	2356	DRouter.exe	30
PID 2356 wrote to memory of 2096	2356	DRouter.exe	30
PID 2356 wrote to memory of 2096	2356	DRouter.exe	30
PID 2096 wrote to memory of 2132	2096	cmd.exe	32
PID 2096 wrote to memory of 2132	2096	cmd.exe	32
PID 2096 wrote to memory of 2132	2096	cmd.exe	32
PID 2096 wrote to memory of 2132	2096	cmd.exe	32
PID 2096 wrote to memory of 2552	2096	cmd.exe	33
PID 2096 wrote to memory of 2552	2096	cmd.exe	33
PID 2096 wrote to memory of 2552	2096	cmd.exe	33
PID 2096 wrote to memory of 2552	2096	cmd.exe	33
PID 2552 wrote to memory of 2876	2552	webhttp.pif	35
PID 2552 wrote to memory of 2876	2552	webhttp.pif	35
PID 2552 wrote to memory of 2876	2552	webhttp.pif	35
PID 2552 wrote to memory of 2876	2552	webhttp.pif	35
PID 2132 wrote to memory of 2860	2132	websocket4.pif	37
PID 2132 wrote to memory of 2860	2132	websocket4.pif	37
PID 2132 wrote to memory of 2860	2132	websocket4.pif	37
PID 2132 wrote to memory of 2860	2132	websocket4.pif	37
PID 2132 wrote to memory of 2860	2132	websocket4.pif	37
PID 2132 wrote to memory of 2860	2132	websocket4.pif	37
PID 2132 wrote to memory of 2860	2132	websocket4.pif	37
PID 2132 wrote to memory of 2860	2132	websocket4.pif	37
PID 2132 wrote to memory of 2860	2132	websocket4.pif	37
PID 2860 wrote to memory of 2056	2860	websocket4.pif	38
PID 2860 wrote to memory of 2056	2860	websocket4.pif	38
PID 2860 wrote to memory of 2056	2860	websocket4.pif	38
PID 2860 wrote to memory of 2056	2860	websocket4.pif	38
PID 2860 wrote to memory of 2056	2860	websocket4.pif	38
PID 2860 wrote to memory of 2056	2860	websocket4.pif	38
PID 2860 wrote to memory of 2056	2860	websocket4.pif	38
PID 2860 wrote to memory of 2056	2860	websocket4.pif	38
PID 2860 wrote to memory of 2056	2860	websocket4.pif	38
PID 2860 wrote to memory of 2348	2860	websocket4.pif	39
PID 2860 wrote to memory of 2348	2860	websocket4.pif	39
PID 2860 wrote to memory of 2348	2860	websocket4.pif	39
PID 2860 wrote to memory of 2348	2860	websocket4.pif	39

C:\Users\Admin\AppData\Local\Temp\DiscordMulty\DRouter.exe
"C:\Users\Admin\AppData\Local\Temp\DiscordMulty\DRouter.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\system32\cmd.exe
  "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\9F6B.tmp\9F6C.tmp\9F6D.bat C:\Users\Admin\AppData\Local\Temp\DiscordMulty\DRouter.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2096
- - C:\Users\Admin\AppData\Local\Temp\DiscordMulty\lib\websocket4.pif
    lib\websocket4.pif
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: CmdExeWriteProcessMemorySpam
    - Suspicious use of WriteProcessMemory
    PID:2132
  - - C:\Users\Admin\AppData\Local\Temp\DiscordMulty\lib\websocket4.pif
      "{path}"
      4⤵
      Loads dropped DLL
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2860
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:2056
    - - C:\Users\Admin\AppData\Roaming\Microsoft\ctfmom.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\ctfmom.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: AddClipboardFormatListener
        
        PID:2348
- - C:\Users\Admin\AppData\Local\Temp\DiscordMulty\lib\webhttp.pif
    lib\webhttp.pif
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: CmdExeWriteProcessMemorySpam
    - Suspicious use of WriteProcessMemory
    PID:2552
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 548
      4⤵
      Program crash
      PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\9F6B.tmp\9F6C.tmp\9F6D.bat

Filesize
60B

MD5
a86dfd2e60123849d7dc67d6d2dc3a95

SHA1
fb87bf06e3d34e2dcaf4c89cf9098a8ce6548460

SHA256
e762f92531bc407f4fc7c443a0474343b8d7669e9756fb4fce50593bd0833d78

SHA512
4c858c8cc23ef46186d9a153603fec3b56501c24a0c77b39f457bf4cd8626cc5f78afc041bd1135f96796c7d130f0c5ae336bc8a35df96cd06135eaa6e20b4af

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\ctfmom.exe

Filesize
42KB

MD5
998d4888b99734c60802f93fb2daf940

SHA1
297a395d096ca67b885134dea1147c270b402c1a

SHA256
d63c4166014d50c6321e82e1c6de7c1a2207b0e09f541d1275d0109aa1d191b5

SHA512
2658aab48807606dc83c4b822438b5454a3df19f4db015d30b8b330baab6218a8a259bb33a2e57398e3c6823059ea49477b4d79df63fe383a9f4725359899190

Download Submit
memory/2056-59-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-48-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-61-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-49-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-50-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-51-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-53-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-55-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-62-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-46-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-47-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-56-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-64-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-45-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-33-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-37-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2056-41-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-43-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-38-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-35-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2132-12-0x0000000005FB0000-0x0000000006070000-memory.dmp

Filesize
768KB

Download
memory/2132-10-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2132-2-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/2132-4-0x0000000000EC0000-0x0000000000FF4000-memory.dmp

Filesize
1.2MB

Download
memory/2132-25-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2132-6-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2132-7-0x0000000000460000-0x0000000000468000-memory.dmp

Filesize
32KB

Download
memory/2132-8-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/2132-11-0x00000000083E0000-0x00000000084F6000-memory.dmp

Filesize
1.1MB

Download
memory/2348-71-0x0000000001130000-0x0000000001140000-memory.dmp

Filesize
64KB

Download
memory/2552-3-0x0000000000E20000-0x0000000000E3E000-memory.dmp

Filesize
120KB

Download
memory/2552-5-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2552-9-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2860-23-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2860-15-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2860-19-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2860-14-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2860-24-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2860-27-0x0000000000BF0000-0x0000000000CAE000-memory.dmp

Filesize
760KB

Download
memory/2860-22-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2860-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2860-17-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2860-26-0x00000000004F0000-0x0000000000504000-memory.dmp

Filesize
80KB

Download