xworm | 12003cfc75b9d076590abcbe3f960e7b64114f229ace64497d28e260ca01a2b9

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07/03/2025, 16:07

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General

Target

e16acddcf30e48f1a412228269ec7ee0.exe
Size

315KB
MD5

e16acddcf30e48f1a412228269ec7ee0
SHA1

c431b49d1a8c7154a90fff36f97ff28497d1e690
SHA256

12003cfc75b9d076590abcbe3f960e7b64114f229ace64497d28e260ca01a2b9
SHA512

2894d2e44307386aa7c23ae0093a600247b2bc1d5f0342e48fdce05a52adbe4419c64b6de15105ba942130176078773d4e091a212763151f02f9871b62a42e16
SSDEEP

3072:ktHIcvIdsE+iSmphsQvPb0dwG3birtHcn0UwGqtUH//F+oYoQN:kx131M5GOdtUHMaQ

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/1104-15-0x0000000000340000-0x0000000000350000-memory.dmp	family_xworm
behavioral1/files/0x0007000000016d0c-14.dat	family_xworm

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

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e16acddcf30e48f1a412228269ec7ee0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1104	e16acddcf30e48f1a412228269ec7ee0.exe
1104	e16acddcf30e48f1a412228269ec7ee0.exe
1104	e16acddcf30e48f1a412228269ec7ee0.exe
1104	e16acddcf30e48f1a412228269ec7ee0.exe
1104	e16acddcf30e48f1a412228269ec7ee0.exe
1104	e16acddcf30e48f1a412228269ec7ee0.exe
1104	e16acddcf30e48f1a412228269ec7ee0.exe
1104	e16acddcf30e48f1a412228269ec7ee0.exe
1104	e16acddcf30e48f1a412228269ec7ee0.exe
1104	e16acddcf30e48f1a412228269ec7ee0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1104	e16acddcf30e48f1a412228269ec7ee0.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 1408	1104	e16acddcf30e48f1a412228269ec7ee0.exe	31
PID 1104 wrote to memory of 1408	1104	e16acddcf30e48f1a412228269ec7ee0.exe	31
PID 1104 wrote to memory of 1408	1104	e16acddcf30e48f1a412228269ec7ee0.exe	31
PID 1104 wrote to memory of 1408	1104	e16acddcf30e48f1a412228269ec7ee0.exe	31
PID 1408 wrote to memory of 2364	1408	csc.exe	33
PID 1408 wrote to memory of 2364	1408	csc.exe	33
PID 1408 wrote to memory of 2364	1408	csc.exe	33
PID 1408 wrote to memory of 2364	1408	csc.exe	33
PID 1104 wrote to memory of 2724	1104	e16acddcf30e48f1a412228269ec7ee0.exe	34
PID 1104 wrote to memory of 2724	1104	e16acddcf30e48f1a412228269ec7ee0.exe	34
PID 1104 wrote to memory of 2724	1104	e16acddcf30e48f1a412228269ec7ee0.exe	34
PID 1104 wrote to memory of 2724	1104	e16acddcf30e48f1a412228269ec7ee0.exe	34
PID 1104 wrote to memory of 2744	1104	e16acddcf30e48f1a412228269ec7ee0.exe	35
PID 1104 wrote to memory of 2744	1104	e16acddcf30e48f1a412228269ec7ee0.exe	35
PID 1104 wrote to memory of 2744	1104	e16acddcf30e48f1a412228269ec7ee0.exe	35
PID 1104 wrote to memory of 2744	1104	e16acddcf30e48f1a412228269ec7ee0.exe	35
PID 1104 wrote to memory of 2804	1104	e16acddcf30e48f1a412228269ec7ee0.exe	36
PID 1104 wrote to memory of 2804	1104	e16acddcf30e48f1a412228269ec7ee0.exe	36
PID 1104 wrote to memory of 2804	1104	e16acddcf30e48f1a412228269ec7ee0.exe	36
PID 1104 wrote to memory of 2804	1104	e16acddcf30e48f1a412228269ec7ee0.exe	36
PID 1104 wrote to memory of 2808	1104	e16acddcf30e48f1a412228269ec7ee0.exe	37
PID 1104 wrote to memory of 2808	1104	e16acddcf30e48f1a412228269ec7ee0.exe	37
PID 1104 wrote to memory of 2808	1104	e16acddcf30e48f1a412228269ec7ee0.exe	37
PID 1104 wrote to memory of 2808	1104	e16acddcf30e48f1a412228269ec7ee0.exe	37
PID 1104 wrote to memory of 2824	1104	e16acddcf30e48f1a412228269ec7ee0.exe	38
PID 1104 wrote to memory of 2824	1104	e16acddcf30e48f1a412228269ec7ee0.exe	38
PID 1104 wrote to memory of 2824	1104	e16acddcf30e48f1a412228269ec7ee0.exe	38
PID 1104 wrote to memory of 2824	1104	e16acddcf30e48f1a412228269ec7ee0.exe	38

C:\Users\Admin\AppData\Local\Temp\e16acddcf30e48f1a412228269ec7ee0.exe
"C:\Users\Admin\AppData\Local\Temp\e16acddcf30e48f1a412228269ec7ee0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\5vg31be1\5vg31be1.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1408
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESF5C.tmp" "c:\Users\Admin\AppData\Local\Temp\5vg31be1\CSC8B62215C66C14BF39BA9949AD187018.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2364
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2724
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2744
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2804
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2808
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\5vg31be1\5vg31be1.dll

Filesize
41KB

MD5
b894f9da05f02c3641d9835473cec9da

SHA1
13e769cbd6460816c81c040f61c06c49aa6f16c5

SHA256
d59bf1c06f59e51c8d77eabdae0f74c8f851ff2d9563475e9c6abffebda52f41

SHA512
4c90062fb9b31f4bbbf0bcf423dc8eeeb32f27184cf40a1976a502c5b5a9f9046c3965e6247ae30cff04f46c82dc6b874da88593f87c5b4d9c2de03c13165810

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESF5C.tmp

Filesize
1KB

MD5
fd95909df4eb2eb4dc67910b1d28e7eb

SHA1
a688c0aacd84a5eb19b51bf87085b814da90e5a2

SHA256
952167207b2f7a280c074a108f8a9c682cbe08e2a4051474bfdaabaaa0461de7

SHA512
04a147e4da6aead1ddea2bab515b3cc0e41e605b44b5bd1796d38b8584f3d8488e4f4d2808fd57b845a7171f3cbc92b3069d02bb620df1dcbcbe736f3f418c93

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\5vg31be1\5vg31be1.0.cs

Filesize
101KB

MD5
fcb83d623452e1cafbc3b0ad5b3b5b73

SHA1
abc26af231584f50ca2ae6de25d4c4764eaf7a9f

SHA256
d4e8ff661b3125613fadc869675cf7c01909b4d64d06344ab2b632ab7ba1e4cc

SHA512
41a233e55bca274c0c3d2fe1c6474306cb17f273bc70e7b1224603b91d17314eb3709c2cbddf2e30d5caafb4b94eb18e8b7ea7d11b19612bf1b5fa80fa9dd3d8

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\5vg31be1\5vg31be1.cmdline

Filesize
204B

MD5
9dcf3081ae5a2b33f14931288da23527

SHA1
8773babb14729dc4c02b96a8263a95b52c881f00

SHA256
e1c4e89cc99e7381cc561b7842fe046dee624f8391957b3f90a54867e4e2ae83

SHA512
4d3c4a23886a3bb2ff6cbc7b1da53e1f2178bdad90a004b95829a07c16d84dfa826a5b43f8e3fd88b1b3f18afad7a73875ddd7902f08ff02bd3fdf14959a253b

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\5vg31be1\CSC8B62215C66C14BF39BA9949AD187018.TMP

Filesize
652B

MD5
ff5a59539923036935403f3ddcc4a3f8

SHA1
614cd96e59fa0637a97e437f6cfab8f700590261

SHA256
6ff1f2d74667590fca981e620e0cb83f6e9390153e0e122590919697c555733c

SHA512
b6beb428aca07526923dd2dabd5825745c383b90306b618f0a5a491c13a770072cfc1e08a5af93d534064328ac161832b8d7ccda367876b49173019e8c959a5b

Download Submit
memory/1104-0-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/1104-1-0x0000000000080000-0x00000000000D4000-memory.dmp

Filesize
336KB

Download
memory/1104-4-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/1104-15-0x0000000000340000-0x0000000000350000-memory.dmp

Filesize
64KB

Download
memory/1104-17-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download