xworm | 6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74

General

Target

6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
Size

49KB
MD5

0b3fc6003ed631b572c3347e10ac4aca
SHA1

51abe8c42abb8c2c52331bbdb99eb2fbcf18315c
SHA256

6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74
SHA512

3df3d20f0d96a122ffae5e54067864d8349dc0672cc24ad94dcab3ac67dec8c520b4f6f7875d75af14791180bd28f68ff4252111fe6c8a242286f9dd00bc751b
SSDEEP

1536:G4TlXi94kgMLEhNkoyIWwClDVC9D2XPs9Hy:F5Xz3MYuwV9QPsZy

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Mutex

WDJjJwZM6N0epwZX

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2552-24-0x0000000001110000-0x000000000111E000-memory.dmp	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2456	powershell.exe
2940	powershell.exe
2496	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
2684	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
1572	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe

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

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

System Information Discovery
T1082

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
580	schtasks.exe
2696	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2496	powershell.exe
2456	powershell.exe
2940	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
Token: SeDebugPrivilege	2496	powershell.exe
Token: SeDebugPrivilege	2456	powershell.exe
Token: SeDebugPrivilege	2940	powershell.exe
Token: SeDebugPrivilege	2684	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
Token: SeDebugPrivilege	1572	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2496	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	29
PID 2552 wrote to memory of 2496	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	29
PID 2552 wrote to memory of 2496	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	29
PID 2552 wrote to memory of 2456	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	31
PID 2552 wrote to memory of 2456	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	31
PID 2552 wrote to memory of 2456	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	31
PID 2552 wrote to memory of 2940	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	33
PID 2552 wrote to memory of 2940	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	33
PID 2552 wrote to memory of 2940	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	33
PID 2552 wrote to memory of 580	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	35
PID 2552 wrote to memory of 580	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	35
PID 2552 wrote to memory of 580	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	35
PID 2552 wrote to memory of 2696	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	37
PID 2552 wrote to memory of 2696	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	37
PID 2552 wrote to memory of 2696	2552	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	37
PID 1944 wrote to memory of 2684	1944	taskeng.exe	42
PID 1944 wrote to memory of 2684	1944	taskeng.exe	42
PID 1944 wrote to memory of 2684	1944	taskeng.exe	42
PID 1944 wrote to memory of 1572	1944	taskeng.exe	43
PID 1944 wrote to memory of 1572	1944	taskeng.exe	43
PID 1944 wrote to memory of 1572	1944	taskeng.exe	43

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\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
"C:\Users\Admin\AppData\Local\Temp\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe"
1⤵
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2496
- 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\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2456
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2940
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /rl highest /tn "6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74" /tr "C:\ProgramData\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:580
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74" /tr "C:\Users\Admin\AppData\Roaming\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2696

C:\Windows\system32\taskeng.exe
taskeng.exe {8EF3C8F8-2ECA-4A2F-8376-6E38ECC406BE} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Roaming\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
  C:\Users\Admin\AppData\Roaming\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2684
- C:\Users\Admin\AppData\Roaming\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
  C:\Users\Admin\AppData\Roaming\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1572

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

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe

Filesize
49KB

MD5
0b3fc6003ed631b572c3347e10ac4aca

SHA1
51abe8c42abb8c2c52331bbdb99eb2fbcf18315c

SHA256
6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74

SHA512
3df3d20f0d96a122ffae5e54067864d8349dc0672cc24ad94dcab3ac67dec8c520b4f6f7875d75af14791180bd28f68ff4252111fe6c8a242286f9dd00bc751b

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

Filesize
7KB

MD5
66aa22d17535c96839ffbd11b9e44785

SHA1
d93ae9d6290f30a52bc8a612ac3dc592cd61dc5a

SHA256
1c0ab61c2cc1d7024c2232716b292e8f2504162882e32ee4b9ff42b72906ff6a

SHA512
4e4d76051f22e1852caf815f3a23fd468c2b26cbc2c62976be2b53008d843de70eb476200c48475a07801d5a65b253470a2ffe15e688cb29bd558d92bc0ef6fd

Download Submit
memory/1572-33-0x0000000000ED0000-0x0000000000EE2000-memory.dmp

Filesize
72KB

Download
memory/2456-16-0x00000000026A0000-0x00000000026A8000-memory.dmp

Filesize
32KB

Download
memory/2456-15-0x000000001B500000-0x000000001B7E2000-memory.dmp

Filesize
2.9MB

Download
memory/2496-8-0x000000001B750000-0x000000001BA32000-memory.dmp

Filesize
2.9MB

Download
memory/2496-9-0x0000000002790000-0x0000000002798000-memory.dmp

Filesize
32KB

Download
memory/2496-7-0x00000000028F0000-0x0000000002970000-memory.dmp

Filesize
512KB

Download
memory/2552-0-0x000007FEF6353000-0x000007FEF6354000-memory.dmp

Filesize
4KB

Download
memory/2552-24-0x0000000001110000-0x000000000111E000-memory.dmp

Filesize
56KB

Download
memory/2552-25-0x000007FEF6353000-0x000007FEF6354000-memory.dmp

Filesize
4KB

Download
memory/2552-26-0x000007FEF6350000-0x000007FEF6D3C000-memory.dmp

Filesize
9.9MB

Download
memory/2552-2-0x000007FEF6350000-0x000007FEF6D3C000-memory.dmp

Filesize
9.9MB

Download
memory/2552-1-0x0000000001150000-0x0000000001162000-memory.dmp

Filesize
72KB

Download
memory/2684-31-0x00000000009D0000-0x00000000009E2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads