stormkitty | 362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969

General

Target

362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe
Size

66KB
MD5

db69b881c533823b0a6cc3457dae6394
SHA1

4b9532efa31c638bcce20cdd2e965ad80f98d87b
SHA256

362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969
SHA512

b9fe75ac47c1aa2c0ba49d648598346a26828e7aa9f572d6aebece94d8d3654d82309af54173278be27f78d4b58db1c3d001cb50596900dee63f4fb9988fb6df
SSDEEP

1536:6t0UYc38zWpfs4FkXtUg4QbskJrptNbm6E60OilVi:6t7R38zWXF0TbsU8O2s

Score

10^/10

stormkitty xworm discovery execution persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

Attributes

Install_directory
%Userprofile%
install_file
MicrosoftProfile.exe
pastebin_url
https://pastebin.com/raw/yDTTG7qZ

Signatures

Detect Xworm Payload 3 IoCs

resource	yara_rule
behavioral1/memory/1952-1-0x00000000003A0000-0x00000000003B6000-memory.dmp	family_xworm
behavioral1/files/0x000a0000000120f9-57.dat	family_xworm
behavioral1/memory/1924-59-0x0000000000F70000-0x0000000000F86000-memory.dmp	family_xworm

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

StormKitty payload 1 IoCs

resource	yara_rule
behavioral1/memory/1952-31-0x000000001D9A0000-0x000000001DAC0000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2612	powershell.exe
2664	powershell.exe
2208	powershell.exe
2736	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
1924	MicrosoftProfile.exe
1968	MicrosoftProfile.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftProfile = "C:\\Users\\Admin\\MicrosoftProfile.exe"	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
6	pastebin.com
7	pastebin.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2992	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2208	powershell.exe
2736	powershell.exe
2612	powershell.exe
2664	powershell.exe
1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe
1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe
1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	2736	powershell.exe
Token: SeDebugPrivilege	2612	powershell.exe
Token: SeDebugPrivilege	2664	powershell.exe
Token: SeDebugPrivilege	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe
Token: SeDebugPrivilege	1924	MicrosoftProfile.exe
Token: SeDebugPrivilege	1968	MicrosoftProfile.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 2208	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	31
PID 1952 wrote to memory of 2208	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	31
PID 1952 wrote to memory of 2208	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	31
PID 1952 wrote to memory of 2736	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	33
PID 1952 wrote to memory of 2736	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	33
PID 1952 wrote to memory of 2736	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	33
PID 1952 wrote to memory of 2612	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	35
PID 1952 wrote to memory of 2612	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	35
PID 1952 wrote to memory of 2612	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	35
PID 1952 wrote to memory of 2664	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	37
PID 1952 wrote to memory of 2664	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	37
PID 1952 wrote to memory of 2664	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	37
PID 1952 wrote to memory of 2992	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	39
PID 1952 wrote to memory of 2992	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	39
PID 1952 wrote to memory of 2992	1952	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	39
PID 2772 wrote to memory of 1924	2772	taskeng.exe	43
PID 2772 wrote to memory of 1924	2772	taskeng.exe	43
PID 2772 wrote to memory of 1924	2772	taskeng.exe	43
PID 2772 wrote to memory of 1968	2772	taskeng.exe	44
PID 2772 wrote to memory of 1968	2772	taskeng.exe	44
PID 2772 wrote to memory of 1968	2772	taskeng.exe	44

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe
"C:\Users\Admin\AppData\Local\Temp\362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2208
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\MicrosoftProfile.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2612
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MicrosoftProfile.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2664
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "MicrosoftProfile" /tr "C:\Users\Admin\MicrosoftProfile.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2992

C:\Windows\system32\taskeng.exe
taskeng.exe {02C39E40-CA51-4BD6-8D5C-AC5FCF3BDE75} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Users\Admin\MicrosoftProfile.exe
  C:\Users\Admin\MicrosoftProfile.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1924
- C:\Users\Admin\MicrosoftProfile.exe
  C:\Users\Admin\MicrosoftProfile.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
89f8e2d4d1d49d181e92579858652ea6

SHA1
cafee3eb78f2c234b6d3c58119985158e9fbf78c

SHA256
ea8f4ea022ccc384b5354fa8a4788d3726879021e58333406f20bfd53fae01ba

SHA512
5225e62430e7d1cf64cebc6864bddf136b94d850b22aed04d016bbd618ea77d2e319230c495f06c6e7687096db91e2f751e729314ec1dcffdd62f963cec88124

Download Submit
C:\Users\Admin\MicrosoftProfile.exe

Filesize
66KB

MD5
db69b881c533823b0a6cc3457dae6394

SHA1
4b9532efa31c638bcce20cdd2e965ad80f98d87b

SHA256
362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969

SHA512
b9fe75ac47c1aa2c0ba49d648598346a26828e7aa9f572d6aebece94d8d3654d82309af54173278be27f78d4b58db1c3d001cb50596900dee63f4fb9988fb6df

Download Submit
memory/1924-59-0x0000000000F70000-0x0000000000F86000-memory.dmp

Filesize
88KB

Download
memory/1952-31-0x000000001D9A0000-0x000000001DAC0000-memory.dmp

Filesize
1.1MB

Download
memory/1952-7-0x000007FEF5403000-0x000007FEF5404000-memory.dmp

Filesize
4KB

Download
memory/1952-30-0x000007FEF5400000-0x000007FEF5DEC000-memory.dmp

Filesize
9.9MB

Download
memory/1952-0-0x000007FEF5403000-0x000007FEF5404000-memory.dmp

Filesize
4KB

Download
memory/1952-55-0x000000001DC10000-0x000000001DF60000-memory.dmp

Filesize
3.3MB

Download
memory/1952-2-0x000007FEF5400000-0x000007FEF5DEC000-memory.dmp

Filesize
9.9MB

Download
memory/1952-1-0x00000000003A0000-0x00000000003B6000-memory.dmp

Filesize
88KB

Download
memory/2208-9-0x000000001B640000-0x000000001B922000-memory.dmp

Filesize
2.9MB

Download
memory/2208-10-0x00000000022C0000-0x00000000022C8000-memory.dmp

Filesize
32KB

Download
memory/2208-8-0x0000000002D00000-0x0000000002D80000-memory.dmp

Filesize
512KB

Download
memory/2736-16-0x000000001B560000-0x000000001B842000-memory.dmp

Filesize
2.9MB

Download
memory/2736-17-0x0000000002870000-0x0000000002878000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads