stormkitty | 01bac3adf5b25f8dad0afe3fd753eefa5b31f2b3550e44069f594280e084f9b4

Analysis

max time kernel
150s
max time network
28s
platform
windows7_x64
resource
win7v20201028
submitted
31-03-2021 06:59

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General

Target

Ref150420190619A-B0270PEL. pdf.exe
Size

1.0MB
MD5

5ed97211220671294ee925c64b1e3ebc
SHA1

22651d893883c0e0df19df33a31cb75ded09d102
SHA256

01bac3adf5b25f8dad0afe3fd753eefa5b31f2b3550e44069f594280e084f9b4
SHA512

73d7b53b0fe041d06f025842a57149e96aa9b6d52e2983c520ae52ea39c0bd617fd9341a32377bafe9e5d7da86807fbe062add794749f85e98f569dedb18c1a5

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

resource	yara_rule
behavioral1/memory/1900-29-0x0000000000850000-0x00000000008FC000-memory.dmp	family_stormkitty

Loads dropped DLL 1 IoCs

pid	Process
1684	Ref150420190619A-B0270PEL. pdf.exe

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 1684 set thread context of 1984	1684	Ref150420190619A-B0270PEL. pdf.exe	26
PID 1984 set thread context of 1932	1984	Ref150420190619A-B0270PEL. pdf.exe	27
PID 1984 set thread context of 1900	1984	Ref150420190619A-B0270PEL. pdf.exe	28
PID 1984 set thread context of 1732	1984	Ref150420190619A-B0270PEL. pdf.exe	29
PID 1984 set thread context of 1792	1984	Ref150420190619A-B0270PEL. pdf.exe	36

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
1268	1900	WerFault.exe	28
1356	1932	WerFault.exe	27
1568	1732	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1684	Ref150420190619A-B0270PEL. pdf.exe
1684	Ref150420190619A-B0270PEL. pdf.exe
1684	Ref150420190619A-B0270PEL. pdf.exe
1684	Ref150420190619A-B0270PEL. pdf.exe
1268	WerFault.exe
1356	WerFault.exe
1268	WerFault.exe
1356	WerFault.exe
1268	WerFault.exe
1356	WerFault.exe
1268	WerFault.exe
1356	WerFault.exe
1268	WerFault.exe
1356	WerFault.exe
1568	WerFault.exe
1568	WerFault.exe
1568	WerFault.exe
1568	WerFault.exe
1568	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 3 IoCs

pid	Process
1984	Ref150420190619A-B0270PEL. pdf.exe
1268	WerFault.exe
1356	WerFault.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1684	Ref150420190619A-B0270PEL. pdf.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	InstallUtil.exe
Token: SeDebugPrivilege	1268	WerFault.exe
Token: SeDebugPrivilege	1356	WerFault.exe
Token: SeDebugPrivilege	1568	WerFault.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1984	Ref150420190619A-B0270PEL. pdf.exe
1984	Ref150420190619A-B0270PEL. pdf.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1984	Ref150420190619A-B0270PEL. pdf.exe
1984	Ref150420190619A-B0270PEL. pdf.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1984	1684	Ref150420190619A-B0270PEL. pdf.exe	26
PID 1684 wrote to memory of 1984	1684	Ref150420190619A-B0270PEL. pdf.exe	26
PID 1684 wrote to memory of 1984	1684	Ref150420190619A-B0270PEL. pdf.exe	26
PID 1684 wrote to memory of 1984	1684	Ref150420190619A-B0270PEL. pdf.exe	26
PID 1684 wrote to memory of 1984	1684	Ref150420190619A-B0270PEL. pdf.exe	26
PID 1984 wrote to memory of 1932	1984	Ref150420190619A-B0270PEL. pdf.exe	27
PID 1984 wrote to memory of 1932	1984	Ref150420190619A-B0270PEL. pdf.exe	27
PID 1984 wrote to memory of 1932	1984	Ref150420190619A-B0270PEL. pdf.exe	27
PID 1984 wrote to memory of 1932	1984	Ref150420190619A-B0270PEL. pdf.exe	27
PID 1984 wrote to memory of 1932	1984	Ref150420190619A-B0270PEL. pdf.exe	27
PID 1984 wrote to memory of 1932	1984	Ref150420190619A-B0270PEL. pdf.exe	27
PID 1984 wrote to memory of 1932	1984	Ref150420190619A-B0270PEL. pdf.exe	27
PID 1984 wrote to memory of 1932	1984	Ref150420190619A-B0270PEL. pdf.exe	27
PID 1984 wrote to memory of 1932	1984	Ref150420190619A-B0270PEL. pdf.exe	27
PID 1984 wrote to memory of 1932	1984	Ref150420190619A-B0270PEL. pdf.exe	27
PID 1984 wrote to memory of 1932	1984	Ref150420190619A-B0270PEL. pdf.exe	27
PID 1984 wrote to memory of 1932	1984	Ref150420190619A-B0270PEL. pdf.exe	27
PID 1984 wrote to memory of 1900	1984	Ref150420190619A-B0270PEL. pdf.exe	28
PID 1984 wrote to memory of 1900	1984	Ref150420190619A-B0270PEL. pdf.exe	28
PID 1984 wrote to memory of 1900	1984	Ref150420190619A-B0270PEL. pdf.exe	28
PID 1984 wrote to memory of 1900	1984	Ref150420190619A-B0270PEL. pdf.exe	28
PID 1984 wrote to memory of 1900	1984	Ref150420190619A-B0270PEL. pdf.exe	28
PID 1984 wrote to memory of 1900	1984	Ref150420190619A-B0270PEL. pdf.exe	28
PID 1984 wrote to memory of 1900	1984	Ref150420190619A-B0270PEL. pdf.exe	28
PID 1984 wrote to memory of 1900	1984	Ref150420190619A-B0270PEL. pdf.exe	28
PID 1984 wrote to memory of 1900	1984	Ref150420190619A-B0270PEL. pdf.exe	28
PID 1984 wrote to memory of 1900	1984	Ref150420190619A-B0270PEL. pdf.exe	28
PID 1984 wrote to memory of 1900	1984	Ref150420190619A-B0270PEL. pdf.exe	28
PID 1984 wrote to memory of 1900	1984	Ref150420190619A-B0270PEL. pdf.exe	28
PID 1984 wrote to memory of 1732	1984	Ref150420190619A-B0270PEL. pdf.exe	29
PID 1984 wrote to memory of 1732	1984	Ref150420190619A-B0270PEL. pdf.exe	29
PID 1984 wrote to memory of 1732	1984	Ref150420190619A-B0270PEL. pdf.exe	29
PID 1984 wrote to memory of 1732	1984	Ref150420190619A-B0270PEL. pdf.exe	29
PID 1984 wrote to memory of 1732	1984	Ref150420190619A-B0270PEL. pdf.exe	29
PID 1984 wrote to memory of 1732	1984	Ref150420190619A-B0270PEL. pdf.exe	29
PID 1984 wrote to memory of 1732	1984	Ref150420190619A-B0270PEL. pdf.exe	29
PID 1984 wrote to memory of 1732	1984	Ref150420190619A-B0270PEL. pdf.exe	29
PID 1984 wrote to memory of 1732	1984	Ref150420190619A-B0270PEL. pdf.exe	29
PID 1984 wrote to memory of 1732	1984	Ref150420190619A-B0270PEL. pdf.exe	29
PID 1984 wrote to memory of 1732	1984	Ref150420190619A-B0270PEL. pdf.exe	29
PID 1984 wrote to memory of 1732	1984	Ref150420190619A-B0270PEL. pdf.exe	29
PID 1932 wrote to memory of 1356	1932	AppLaunch.exe	31
PID 1932 wrote to memory of 1356	1932	AppLaunch.exe	31
PID 1932 wrote to memory of 1356	1932	AppLaunch.exe	31
PID 1932 wrote to memory of 1356	1932	AppLaunch.exe	31
PID 1932 wrote to memory of 1356	1932	AppLaunch.exe	31
PID 1932 wrote to memory of 1356	1932	AppLaunch.exe	31
PID 1932 wrote to memory of 1356	1932	AppLaunch.exe	31
PID 1900 wrote to memory of 1268	1900	AppLaunch.exe	30
PID 1900 wrote to memory of 1268	1900	AppLaunch.exe	30
PID 1900 wrote to memory of 1268	1900	AppLaunch.exe	30
PID 1900 wrote to memory of 1268	1900	AppLaunch.exe	30
PID 1900 wrote to memory of 1268	1900	AppLaunch.exe	30
PID 1900 wrote to memory of 1268	1900	AppLaunch.exe	30
PID 1900 wrote to memory of 1268	1900	AppLaunch.exe	30
PID 1732 wrote to memory of 1568	1732	InstallUtil.exe	35
PID 1732 wrote to memory of 1568	1732	InstallUtil.exe	35
PID 1732 wrote to memory of 1568	1732	InstallUtil.exe	35
PID 1732 wrote to memory of 1568	1732	InstallUtil.exe	35
PID 1984 wrote to memory of 1792	1984	Ref150420190619A-B0270PEL. pdf.exe	36
PID 1984 wrote to memory of 1792	1984	Ref150420190619A-B0270PEL. pdf.exe	36
PID 1984 wrote to memory of 1792	1984	Ref150420190619A-B0270PEL. pdf.exe	36
PID 1984 wrote to memory of 1792	1984	Ref150420190619A-B0270PEL. pdf.exe	36
PID 1984 wrote to memory of 1792	1984	Ref150420190619A-B0270PEL. pdf.exe	36

C:\Users\Admin\AppData\Local\Temp\Ref150420190619A-B0270PEL. pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Ref150420190619A-B0270PEL. pdf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\Ref150420190619A-B0270PEL. pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref150420190619A-B0270PEL. pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1932
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 660
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:1356
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1900
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 664
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:1268
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1732
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 1056
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1568
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    PID:1792

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1268-42-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1268-39-0x00000000021E0000-0x00000000021F1000-memory.dmp

Filesize
68KB

Download
memory/1356-41-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1568-45-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/1568-44-0x00000000021E0000-0x00000000021F1000-memory.dmp

Filesize
68KB

Download
memory/1684-2-0x00000000756A1000-0x00000000756A3000-memory.dmp

Filesize
8KB

Download
memory/1732-20-0x0000000074370000-0x0000000074A5E000-memory.dmp

Filesize
6.9MB

Download
memory/1732-22-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1732-18-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1732-33-0x0000000004710000-0x0000000004711000-memory.dmp

Filesize
4KB

Download
memory/1792-48-0x0000000074370000-0x0000000074A5E000-memory.dmp

Filesize
6.9MB

Download
memory/1900-16-0x0000000074370000-0x0000000074A5E000-memory.dmp

Filesize
6.9MB

Download
memory/1900-21-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1900-31-0x0000000004C90000-0x0000000004C91000-memory.dmp

Filesize
4KB

Download
memory/1900-29-0x0000000000850000-0x00000000008FC000-memory.dmp

Filesize
688KB

Download
memory/1932-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1932-17-0x0000000074370000-0x0000000074A5E000-memory.dmp

Filesize
6.9MB

Download
memory/1932-32-0x0000000004A60000-0x0000000004A61000-memory.dmp

Filesize
4KB

Download
memory/1984-8-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/1984-9-0x0000000003BE0000-0x0000000003BE1000-memory.dmp

Filesize
4KB

Download