stormkitty | 46e1081372a9209e9bb11225ecfdcd3d3824a51a568c03763e2c689c4ef3928f

Resubmissions

02/08/2024, 17:51

240802-we61pstdlq10

02/08/2024, 17:49

240802-wege2stdjp3

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 17:51

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General

Target
DiscordMulty/DRouter.exe
Size 1.9MB
Sample240802-we61pstdlq
SHA256 a881c67a5ad97fed46616a1c219a4c70fffcbe3ec1f0c900747e2ba75131b143
MD5 4d978f4a830f374b5867f1ae53b08ffc
SHA1 827b301d630a037a6559acc3b63612fded885767
SHA512 f9339c421b5a8ee85358d0a4384ef3d203cb68572152f02c9610c4c371091d5c5caed5fde3a3c379ef3feaa2c86cc123e09596fb8862816ea60ae2d78d6a6091
SSDEEP 3072:gq6+ouCpk2mpcWJ0r+QNTBfqcm2GvaDE:gldk1cWQRNTBS
MD5 SHA1 SHA512 SSDEEP

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
behavioral3/memory/2628-26-0x0000000004F40000-0x0000000004FFE000-memory.dmp	family_stormkitty

Executes dropped EXE 1 IoCs

pid	Process
296	ctfmom.exe

Loads dropped DLL 1 IoCs

pid	Process
2628	websocket4.pif

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1652 set thread context of 2628	1652	websocket4.pif	38
PID 2628 set thread context of 3004	2628	websocket4.pif	39

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
2896	1580	WerFault.exe	31

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
296	ctfmom.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 2 IoCs

pid	Process
1652	websocket4.pif
1580	webhttp.pif

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1652	websocket4.pif
1652	websocket4.pif
1652	websocket4.pif
1652	websocket4.pif

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1652	websocket4.pif
Token: SeDebugPrivilege	3004	MSBuild.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 888	2240	DRouter.exe	28
PID 2240 wrote to memory of 888	2240	DRouter.exe	28
PID 2240 wrote to memory of 888	2240	DRouter.exe	28
PID 2240 wrote to memory of 888	2240	DRouter.exe	28
PID 888 wrote to memory of 1652	888	cmd.exe	30
PID 888 wrote to memory of 1652	888	cmd.exe	30
PID 888 wrote to memory of 1652	888	cmd.exe	30
PID 888 wrote to memory of 1652	888	cmd.exe	30
PID 888 wrote to memory of 1580	888	cmd.exe	31
PID 888 wrote to memory of 1580	888	cmd.exe	31
PID 888 wrote to memory of 1580	888	cmd.exe	31
PID 888 wrote to memory of 1580	888	cmd.exe	31
PID 1580 wrote to memory of 2896	1580	webhttp.pif	33
PID 1580 wrote to memory of 2896	1580	webhttp.pif	33
PID 1580 wrote to memory of 2896	1580	webhttp.pif	33
PID 1580 wrote to memory of 2896	1580	webhttp.pif	33
PID 1652 wrote to memory of 2632	1652	websocket4.pif	36
PID 1652 wrote to memory of 2632	1652	websocket4.pif	36
PID 1652 wrote to memory of 2632	1652	websocket4.pif	36
PID 1652 wrote to memory of 2632	1652	websocket4.pif	36
PID 1652 wrote to memory of 1180	1652	websocket4.pif	37
PID 1652 wrote to memory of 1180	1652	websocket4.pif	37
PID 1652 wrote to memory of 1180	1652	websocket4.pif	37
PID 1652 wrote to memory of 1180	1652	websocket4.pif	37
PID 1652 wrote to memory of 2628	1652	websocket4.pif	38
PID 1652 wrote to memory of 2628	1652	websocket4.pif	38
PID 1652 wrote to memory of 2628	1652	websocket4.pif	38
PID 1652 wrote to memory of 2628	1652	websocket4.pif	38
PID 1652 wrote to memory of 2628	1652	websocket4.pif	38
PID 1652 wrote to memory of 2628	1652	websocket4.pif	38
PID 1652 wrote to memory of 2628	1652	websocket4.pif	38
PID 1652 wrote to memory of 2628	1652	websocket4.pif	38
PID 1652 wrote to memory of 2628	1652	websocket4.pif	38
PID 2628 wrote to memory of 3004	2628	websocket4.pif	39
PID 2628 wrote to memory of 3004	2628	websocket4.pif	39
PID 2628 wrote to memory of 3004	2628	websocket4.pif	39
PID 2628 wrote to memory of 3004	2628	websocket4.pif	39
PID 2628 wrote to memory of 3004	2628	websocket4.pif	39
PID 2628 wrote to memory of 3004	2628	websocket4.pif	39
PID 2628 wrote to memory of 3004	2628	websocket4.pif	39
PID 2628 wrote to memory of 3004	2628	websocket4.pif	39
PID 2628 wrote to memory of 3004	2628	websocket4.pif	39
PID 2628 wrote to memory of 296	2628	websocket4.pif	40
PID 2628 wrote to memory of 296	2628	websocket4.pif	40
PID 2628 wrote to memory of 296	2628	websocket4.pif	40
PID 2628 wrote to memory of 296	2628	websocket4.pif	40

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:2240
- C:\Windows\system32\cmd.exe
  "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\B396.tmp\B397.tmp\B398.bat C:\Users\Admin\AppData\Local\Temp\DiscordMulty\DRouter.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:888
- - 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 behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1652
  - - C:\Users\Admin\AppData\Local\Temp\DiscordMulty\lib\websocket4.pif
      "{path}"
      4⤵
      PID:2632
  - - C:\Users\Admin\AppData\Local\Temp\DiscordMulty\lib\websocket4.pif
      "{path}"
      4⤵
      PID:1180
  - - 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:2628
    - - 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:3004
    - - 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:296
- - 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:1580
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1580 -s 548
      4⤵
      Program crash
      PID:2896

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

B398.bat

Path C:\Users\Admin\AppData\Local\Temp\B396.tmp\B397.tmp\B398.bat
Size 60B
SHA256 e762f92531bc407f4fc7c443a0474343b8d7669e9756fb4fce50593bd0833d78
MD5 a86dfd2e60123849d7dc67d6d2dc3a95
SHA1 fb87bf06e3d34e2dcaf4c89cf9098a8ce6548460
SHA512 4c858c8cc23ef46186d9a153603fec3b56501c24a0c77b39f457bf4cd8626cc5f78afc041bd1135f96796c7d130f0c5ae336bc8a35df96cd06135eaa6e20b4af
MD5 SHA1 SHA512

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ctfmom.exe

Path \Users\Admin\AppData\Roaming\Microsoft\ctfmom.exe
Size 42KB
SHA256 d63c4166014d50c6321e82e1c6de7c1a2207b0e09f541d1275d0109aa1d191b5
MD5 998d4888b99734c60802f93fb2daf940
SHA1 297a395d096ca67b885134dea1147c270b402c1a
SHA512 2658aab48807606dc83c4b822438b5454a3df19f4db015d30b8b330baab6218a8a259bb33a2e57398e3c6823059ea49477b4d79df63fe383a9f4725359899190
SSDEEP 768:2apCUaFJqQcdqxxs7fqHELAMS5orh63oUk1/m5:2aWw7fqkq5UU4Uk1/g
MD5 SHA1 SHA512 SSDEEP

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memory/296-69-0x0000000000B30000-0x0000000000B40000-memory.dmp

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memory/1580-8-0x00000000749C0000-0x00000000750AE000-memory.dmp

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memory/1580-3-0x0000000001010000-0x000000000102E000-memory.dmp

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memory/1580-5-0x00000000749C0000-0x00000000750AE000-memory.dmp

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memory/1652-7-0x0000000000540000-0x0000000000548000-memory.dmp

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memory/1652-24-0x00000000749C0000-0x00000000750AE000-memory.dmp

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memory/1652-9-0x00000000749C0000-0x00000000750AE000-memory.dmp

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memory/1652-10-0x0000000008230000-0x0000000008346000-memory.dmp

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memory/1652-11-0x000000000AAF0000-0x000000000ABB0000-memory.dmp

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memory/1652-6-0x00000000749C0000-0x00000000750AE000-memory.dmp

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memory/1652-4-0x00000000000B0000-0x00000000001E4000-memory.dmp

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memory/1652-2-0x00000000749CE000-0x00000000749CF000-memory.dmp

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memory/2628-21-0x0000000000400000-0x00000000004B8000-memory.dmp

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memory/2628-22-0x0000000000400000-0x00000000004B8000-memory.dmp

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memory/2628-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2628-18-0x0000000000400000-0x00000000004B8000-memory.dmp

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memory/2628-16-0x0000000000400000-0x00000000004B8000-memory.dmp

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memory/2628-14-0x0000000000400000-0x00000000004B8000-memory.dmp

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memory/2628-25-0x0000000000390000-0x00000000003A4000-memory.dmp

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memory/2628-26-0x0000000004F40000-0x0000000004FFE000-memory.dmp

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memory/2628-23-0x0000000000400000-0x00000000004B8000-memory.dmp

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memory/2628-12-0x0000000000400000-0x00000000004B8000-memory.dmp

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memory/3004-36-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/3004-37-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-41-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-40-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-34-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-32-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-43-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-47-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-62-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-60-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-59-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-57-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-54-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-53-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-51-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-49-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-48-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-46-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-45-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-44-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-30-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/3004-28-0x0000000000400000-0x0000000000442000-memory.dmp

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