xworm | a9acd48968fdffc028988d29979a781cc707b96fd1483f7825a1014c89fe9e49

General

Target

Revert_Proxy2.exe
Size

50KB
MD5

8ed10249a741529f5ce9ebbcfa50b4ab
SHA1

1135d5e4cd03ba57c681016c5c18bda35c7144fd
SHA256

a9acd48968fdffc028988d29979a781cc707b96fd1483f7825a1014c89fe9e49
SHA512

2700127217546eb248ce086857c1c0fdc6fda3db18576b65dcde7e208c5319c97b782b7459f9f88a67cd1eeea9844dd7083423f903b4c9f25fe108f072ff6409
SSDEEP

1536:Wf05a/CTjS89IFc9Uw68OMA3dS1EAd8IIR:Wf05a/CTJ9IFc9UuOMmgEA6IIR

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

85.203.4.127:1474

Mutex

eBA1hJEKi2fpwXUX

Attributes

Install_directory
%ProgramData%
install_file
VLC_Media.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2172-0-0x0000000000B20000-0x0000000000B32000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

Processes:

Revert_Proxy2.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VLC_Media.lnk	Revert_Proxy2.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VLC_Media.lnk	Revert_Proxy2.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.

Processes:

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
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exeRevert_Proxy2.exe

pid process

1132 powershell.exe
3040 powershell.exe
2844 powershell.exe
572 powershell.exe
2172 Revert_Proxy2.exe

flow	ioc
4	ip-api.com

pid	process
1132	powershell.exe
3040	powershell.exe
2844	powershell.exe
572	powershell.exe
2172	Revert_Proxy2.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Revert_Proxy2.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2172	Revert_Proxy2.exe
Token: SeDebugPrivilege	1132	powershell.exe
Token: SeDebugPrivilege	3040	powershell.exe
Token: SeDebugPrivilege	2844	powershell.exe
Token: SeDebugPrivilege	572	powershell.exe
Token: SeDebugPrivilege	2172	Revert_Proxy2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Revert_Proxy2.exe

pid process

2172 Revert_Proxy2.exe

pid	process
2172	Revert_Proxy2.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Revert_Proxy2.exe

description	pid	process	target process
PID 2172 wrote to memory of 1132	2172	Revert_Proxy2.exe	powershell.exe
PID 2172 wrote to memory of 1132	2172	Revert_Proxy2.exe	powershell.exe
PID 2172 wrote to memory of 1132	2172	Revert_Proxy2.exe	powershell.exe
PID 2172 wrote to memory of 3040	2172	Revert_Proxy2.exe	powershell.exe
PID 2172 wrote to memory of 3040	2172	Revert_Proxy2.exe	powershell.exe
PID 2172 wrote to memory of 3040	2172	Revert_Proxy2.exe	powershell.exe
PID 2172 wrote to memory of 2844	2172	Revert_Proxy2.exe	powershell.exe
PID 2172 wrote to memory of 2844	2172	Revert_Proxy2.exe	powershell.exe
PID 2172 wrote to memory of 2844	2172	Revert_Proxy2.exe	powershell.exe
PID 2172 wrote to memory of 572	2172	Revert_Proxy2.exe	powershell.exe
PID 2172 wrote to memory of 572	2172	Revert_Proxy2.exe	powershell.exe
PID 2172 wrote to memory of 572	2172	Revert_Proxy2.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\Revert_Proxy2.exe
"C:\Users\Admin\AppData\Local\Temp\Revert_Proxy2.exe"
1⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2172

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\Revert_Proxy2.exe'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1132

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Revert_Proxy2.exe'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3040

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\VLC_Media.exe'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2844

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'VLC_Media.exe'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:572

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
7KB

MD5
a00ac2e7437f140767f9b480130aa985

SHA1
ce1c262afbb911dbac1f5e1e77591aca1537639d

SHA256
deb2673273259aa8abafd389238c7965afada1f51d930a3f5ebce919d7175340

SHA512
2740565a088f332cedbddcec541e44bc22c6fa2f3edeaec7e9b6decc41c6a5b837962273c084be0d7dc4260494edfe0ffe0459b144e05c529bcc876d1bf736c9

Download Submit
\??\PIPE\srvsvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/572-48-0x000007FEEE340000-0x000007FEEECDD000-memory.dmp

Filesize
9.6MB

Download
memory/572-49-0x00000000024F0000-0x0000000002570000-memory.dmp

Filesize
512KB

Download
memory/572-50-0x000007FEEE340000-0x000007FEEECDD000-memory.dmp

Filesize
9.6MB

Download
memory/572-52-0x00000000024F0000-0x0000000002570000-memory.dmp

Filesize
512KB

Download
memory/572-51-0x00000000024F0000-0x0000000002570000-memory.dmp

Filesize
512KB

Download
memory/572-53-0x00000000024F0000-0x0000000002570000-memory.dmp

Filesize
512KB

Download
memory/572-54-0x000007FEEE340000-0x000007FEEECDD000-memory.dmp

Filesize
9.6MB

Download
memory/1132-9-0x000007FEEECE0000-0x000007FEEF67D000-memory.dmp

Filesize
9.6MB

Download
memory/1132-14-0x000007FEEECE0000-0x000007FEEF67D000-memory.dmp

Filesize
9.6MB

Download
memory/1132-13-0x00000000025B0000-0x0000000002630000-memory.dmp

Filesize
512KB

Download
memory/1132-12-0x000007FEEECE0000-0x000007FEEF67D000-memory.dmp

Filesize
9.6MB

Download
memory/1132-11-0x00000000025B0000-0x0000000002630000-memory.dmp

Filesize
512KB

Download
memory/1132-10-0x00000000025B0000-0x0000000002630000-memory.dmp

Filesize
512KB

Download
memory/1132-8-0x0000000002390000-0x0000000002398000-memory.dmp

Filesize
32KB

Download
memory/1132-7-0x000000001B290000-0x000000001B572000-memory.dmp

Filesize
2.9MB

Download
memory/2172-0-0x0000000000B20000-0x0000000000B32000-memory.dmp

Filesize
72KB

Download
memory/2172-26-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

Filesize
9.9MB

Download
memory/2172-2-0x000000001B640000-0x000000001B6C0000-memory.dmp

Filesize
512KB

Download
memory/2172-1-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

Filesize
9.9MB

Download
memory/2844-40-0x0000000002540000-0x00000000025C0000-memory.dmp

Filesize
512KB

Download
memory/2844-41-0x000007FEEECE0000-0x000007FEEF67D000-memory.dmp

Filesize
9.6MB

Download
memory/2844-36-0x0000000002540000-0x00000000025C0000-memory.dmp

Filesize
512KB

Download
memory/2844-37-0x000007FEEECE0000-0x000007FEEF67D000-memory.dmp

Filesize
9.6MB

Download
memory/2844-38-0x0000000002540000-0x00000000025C0000-memory.dmp

Filesize
512KB

Download
memory/2844-39-0x0000000002540000-0x00000000025C0000-memory.dmp

Filesize
512KB

Download
memory/2844-35-0x000007FEEECE0000-0x000007FEEF67D000-memory.dmp

Filesize
9.6MB

Download
memory/3040-29-0x000007FEEE340000-0x000007FEEECDD000-memory.dmp

Filesize
9.6MB

Download
memory/3040-28-0x0000000002590000-0x0000000002610000-memory.dmp

Filesize
512KB

Download
memory/3040-27-0x0000000002590000-0x0000000002610000-memory.dmp

Filesize
512KB

Download
memory/3040-25-0x0000000002590000-0x0000000002610000-memory.dmp

Filesize
512KB

Download
memory/3040-24-0x000007FEEE340000-0x000007FEEECDD000-memory.dmp

Filesize
9.6MB

Download
memory/3040-23-0x0000000002590000-0x0000000002610000-memory.dmp

Filesize
512KB

Download
memory/3040-22-0x000007FEEE340000-0x000007FEEECDD000-memory.dmp

Filesize
9.6MB

Download
memory/3040-21-0x0000000002370000-0x0000000002378000-memory.dmp

Filesize
32KB

Download
memory/3040-20-0x000000001B330000-0x000000001B612000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads