413a460fae724b972ab9c52aeab029552245555c7df5b79eb2a6529e1dd7a090

Analysis

max time kernel
146s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2023 13:29

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General

Target

Salwyrr Launcher Installer.exe
Size

46KB
MD5

38633bfef3c1fe505a39a688b5c31828
SHA1

4e053e5ca9e8bfcf372b4331b18c36d637332bbc
SHA256

413a460fae724b972ab9c52aeab029552245555c7df5b79eb2a6529e1dd7a090
SHA512

812ebfa26ff63ade8ab4851230fe47c0ffb797b5a8c48d6ab7ad3293a4995c088bedb8ca7ad6c48a63b3c7f60cdf5b2b318b39dc232ef2096721aba7734ea8f7
SSDEEP

768:PE55gC6d1VepljbMBMxECL67qtjMGF9TtgmAtugTtyKr:svh6dTepljLEf44u4mMuAyKr

Score

8^/10

evasion

Malware Config

Signatures

Modifies Windows Firewall 1 TTPs 12 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1048	netsh.exe
4708	netsh.exe
1616	netsh.exe
1224	netsh.exe
1320	netsh.exe
2584	netsh.exe
4260	netsh.exe
2224	netsh.exe
1060	netsh.exe
2532	netsh.exe
2024	netsh.exe
4344	netsh.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4236	1604	WerFault.exe	84

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1604	Salwyrr Launcher Installer.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 1320	1604	Salwyrr Launcher Installer.exe	85
PID 1604 wrote to memory of 1320	1604	Salwyrr Launcher Installer.exe	85
PID 1604 wrote to memory of 1320	1604	Salwyrr Launcher Installer.exe	85
PID 1604 wrote to memory of 4344	1604	Salwyrr Launcher Installer.exe	87
PID 1604 wrote to memory of 4344	1604	Salwyrr Launcher Installer.exe	87
PID 1604 wrote to memory of 4344	1604	Salwyrr Launcher Installer.exe	87
PID 1604 wrote to memory of 2584	1604	Salwyrr Launcher Installer.exe	89
PID 1604 wrote to memory of 2584	1604	Salwyrr Launcher Installer.exe	89
PID 1604 wrote to memory of 2584	1604	Salwyrr Launcher Installer.exe	89
PID 1604 wrote to memory of 4260	1604	Salwyrr Launcher Installer.exe	91
PID 1604 wrote to memory of 4260	1604	Salwyrr Launcher Installer.exe	91
PID 1604 wrote to memory of 4260	1604	Salwyrr Launcher Installer.exe	91
PID 1604 wrote to memory of 2224	1604	Salwyrr Launcher Installer.exe	93
PID 1604 wrote to memory of 2224	1604	Salwyrr Launcher Installer.exe	93
PID 1604 wrote to memory of 2224	1604	Salwyrr Launcher Installer.exe	93
PID 1604 wrote to memory of 1060	1604	Salwyrr Launcher Installer.exe	95
PID 1604 wrote to memory of 1060	1604	Salwyrr Launcher Installer.exe	95
PID 1604 wrote to memory of 1060	1604	Salwyrr Launcher Installer.exe	95
PID 1604 wrote to memory of 1048	1604	Salwyrr Launcher Installer.exe	97
PID 1604 wrote to memory of 1048	1604	Salwyrr Launcher Installer.exe	97
PID 1604 wrote to memory of 1048	1604	Salwyrr Launcher Installer.exe	97
PID 1604 wrote to memory of 4708	1604	Salwyrr Launcher Installer.exe	99
PID 1604 wrote to memory of 4708	1604	Salwyrr Launcher Installer.exe	99
PID 1604 wrote to memory of 4708	1604	Salwyrr Launcher Installer.exe	99
PID 1604 wrote to memory of 2532	1604	Salwyrr Launcher Installer.exe	101
PID 1604 wrote to memory of 2532	1604	Salwyrr Launcher Installer.exe	101
PID 1604 wrote to memory of 2532	1604	Salwyrr Launcher Installer.exe	101
PID 1604 wrote to memory of 1616	1604	Salwyrr Launcher Installer.exe	103
PID 1604 wrote to memory of 1616	1604	Salwyrr Launcher Installer.exe	103
PID 1604 wrote to memory of 1616	1604	Salwyrr Launcher Installer.exe	103
PID 1604 wrote to memory of 2024	1604	Salwyrr Launcher Installer.exe	105
PID 1604 wrote to memory of 2024	1604	Salwyrr Launcher Installer.exe	105
PID 1604 wrote to memory of 2024	1604	Salwyrr Launcher Installer.exe	105
PID 1604 wrote to memory of 1224	1604	Salwyrr Launcher Installer.exe	107
PID 1604 wrote to memory of 1224	1604	Salwyrr Launcher Installer.exe	107
PID 1604 wrote to memory of 1224	1604	Salwyrr Launcher Installer.exe	107

C:\Users\Admin\AppData\Local\Temp\Salwyrr Launcher Installer.exe
"C:\Users\Admin\AppData\Local\Temp\Salwyrr Launcher Installer.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1604
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall show rule name="Salwyrr Client Java 1a"
  2⤵
  - Modifies Windows Firewall
  PID:1320
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall add rule name="Salwyrr Client Java 1a" dir=in action=allow protocol=any localip=any remoteip=any program="C:\Users\Admin\AppData\Roaming\.Salwyrr\launcher\bootstrap\jre\bin\javaw.exe"
  2⤵
  - Modifies Windows Firewall
  PID:4344
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall show rule name="Salwyrr Client Java 2a"
  2⤵
  - Modifies Windows Firewall
  PID:2584
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall add rule name="Salwyrr Client Java 2a" dir=in action=allow protocol=any localip=any remoteip=any program="C:\Users\Admin\AppData\Roaming\.Salwyrr\launcher\jre\bin\javaw.exe"
  2⤵
  - Modifies Windows Firewall
  PID:4260
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall show rule name="Salwyrr Client Java 3a"
  2⤵
  - Modifies Windows Firewall
  PID:2224
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall add rule name="Salwyrr Client Java 3a" dir=in action=allow protocol=any localip=any remoteip=any program="C:\Users\Admin\AppData\Roaming\.Salwyrr\launcher\java-runtime-alpha\bin\javaw.exe"
  2⤵
  - Modifies Windows Firewall
  PID:1060
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall show rule name="Salwyrr Client Java 1b"
  2⤵
  - Modifies Windows Firewall
  PID:1048
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall add rule name="Salwyrr Client Java 1b" dir=in action=allow protocol=any localip=any remoteip=any program="C:\Users\Admin\AppData\Roaming\.Salwyrr\launcher\bootstrap\jre\bin\java.exe"
  2⤵
  - Modifies Windows Firewall
  PID:4708
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall show rule name="Salwyrr Client Java 2b"
  2⤵
  - Modifies Windows Firewall
  PID:2532
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall add rule name="Salwyrr Client Java 2b" dir=in action=allow protocol=any localip=any remoteip=any program="C:\Users\Admin\AppData\Roaming\.Salwyrr\launcher\jre\bin\java.exe"
  2⤵
  - Modifies Windows Firewall
  PID:1616
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall show rule name="Salwyrr Client Java 3b"
  2⤵
  - Modifies Windows Firewall
  PID:2024
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall add rule name="Salwyrr Client Java 3b" dir=in action=allow protocol=any localip=any remoteip=any program="C:\Users\Admin\AppData\Roaming\.Salwyrr\launcher\java-runtime-alpha\bin\java.exe"
  2⤵
  - Modifies Windows Firewall
  PID:1224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 3048
  2⤵
  - Program crash
  PID:4236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1604 -ip 1604
1⤵
PID:4856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\.Salwyrr\launcher\bootstrap\openlogic-openjdk-jre-8u332-b09-windows-64\lib\images\cursors\win32_LinkNoDrop32x32.gif

Filesize
153B

MD5
1e9d8f133a442da6b0c74d49bc84a341

SHA1
259edc45b4569427e8319895a444f4295d54348f

SHA256
1a1d3079d49583837662b84e11d8c0870698511d9110e710eb8e7eb20df7ae3b

SHA512
63d6f70c8cab9735f0f857f5bf99e319f6ae98238dc7829dd706b7d6855c70be206e32e3e55df884402483cf8bebad00d139283af5c0b85dc1c5bf8f253acd37

Download Submit
memory/1604-133-0x00000000006E0000-0x00000000006EE000-memory.dmp

Filesize
56KB

Download
memory/1604-134-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

Filesize
64KB

Download
memory/1604-135-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

Filesize
64KB

Download
memory/1604-136-0x000000000A3E0000-0x000000000A418000-memory.dmp

Filesize
224KB

Download
memory/1604-137-0x000000000A3B0000-0x000000000A3BE000-memory.dmp

Filesize
56KB

Download
memory/1604-140-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

Filesize
64KB

Download
memory/1604-141-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

Filesize
64KB

Download
memory/1604-143-0x000000000B9B0000-0x000000000B9BA000-memory.dmp

Filesize
40KB

Download
memory/1604-144-0x0000000006540000-0x0000000006552000-memory.dmp

Filesize
72KB

Download
memory/1604-508-0x000000000C450000-0x000000000C4C6000-memory.dmp

Filesize
472KB

Download
memory/1604-509-0x0000000006580000-0x000000000659E000-memory.dmp

Filesize
120KB

Download