xworm | f0045c024fc4e796911fa5a1e597c22f011723c8301c4a903dc140699a707621

General

Target

Quotation.scr.exe
Size

699KB
MD5

c684a63e08404601807c7bd5af233d28
SHA1

d9607463fcf1ce55eb8e5649b65047ee526d8060
SHA256

f0045c024fc4e796911fa5a1e597c22f011723c8301c4a903dc140699a707621
SHA512

ffd030b446965e404fd7b76bf2839a9dd620b4c1ded7e82c6b02f277219514de0489059617bc2ca5b560c767b401630d0b2d34ec056df514771a563a8e0f46cd
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLxwxhzZ:ffmMv6Ckr7Mny5QLxwxhV

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

C2

69.174.99.6:7000

Mutex

ZMMi52bfIGvYY0Ok

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4904-28-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

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

Drops startup file 1 IoCs

Processes:

starbowlines.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\starbowlines.vbs	starbowlines.exe

Executes dropped EXE 1 IoCs

Processes:

starbowlines.exe

pid	Process
1376	starbowlines.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/files/0x000a000000023b86-13.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

starbowlines.exe

description	pid	Process	procid_target
PID 1376 set thread context of 4904	1376	starbowlines.exe	83

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

System Information Discovery
T1082

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

Processes:

Quotation.scr.exestarbowlines.exeRegSvcs.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quotation.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	starbowlines.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

starbowlines.exe

pid	Process
1376	starbowlines.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	4904	RegSvcs.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

Quotation.scr.exestarbowlines.exe

description	pid	Process	procid_target
PID 4524 wrote to memory of 1376	4524	Quotation.scr.exe	82
PID 4524 wrote to memory of 1376	4524	Quotation.scr.exe	82
PID 4524 wrote to memory of 1376	4524	Quotation.scr.exe	82
PID 1376 wrote to memory of 4904	1376	starbowlines.exe	83
PID 1376 wrote to memory of 4904	1376	starbowlines.exe	83
PID 1376 wrote to memory of 4904	1376	starbowlines.exe	83
PID 1376 wrote to memory of 4904	1376	starbowlines.exe	83

C:\Users\Admin\AppData\Local\Temp\Quotation.scr.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.scr.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4524
- C:\Users\Admin\AppData\Local\anaboly\starbowlines.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation.scr.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1376
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation.scr.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:4904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\apostrophise

Filesize
30KB

MD5
d15f30aadcae7f87307e63e039228866

SHA1
61d3595411a9a2ff483a5e1b5a359ca7868d1f5a

SHA256
25ae69f8d71da3dbcde420c9a0abf90bbce046c27969580b2a37e289ce9b6205

SHA512
25e6801408e24b6c5a2472ed7218ff9a7e272b2b1747a9c2a7eb7ed40223649589daac713c08fe8015df89b5d0da176188345edcfbd0ef56e3a4151b12467fa0

Download Submit
C:\Users\Admin\AppData\Local\Temp\furcation

Filesize
29KB

MD5
a2a9ce81977085a400789d49db0f0250

SHA1
3ebe1a79d42e3bda77030fa6b26740bd7a287691

SHA256
4a3071b8298eb6dbc10141a491909fa7c726d68bc5721581587b09797e16bc58

SHA512
0919addf21283224eb83353d7f7a3e8ff62047699ab97bb3ac57a0aafe51e397465ef1be30808ff20b6b5e8a12a5a2000dfa76db6557b3f258bfc7c1c59082dc

Download Submit
C:\Users\Admin\AppData\Local\anaboly\starbowlines.exe

Filesize
699KB

MD5
c684a63e08404601807c7bd5af233d28

SHA1
d9607463fcf1ce55eb8e5649b65047ee526d8060

SHA256
f0045c024fc4e796911fa5a1e597c22f011723c8301c4a903dc140699a707621

SHA512
ffd030b446965e404fd7b76bf2839a9dd620b4c1ded7e82c6b02f277219514de0489059617bc2ca5b560c767b401630d0b2d34ec056df514771a563a8e0f46cd

Download Submit
memory/4524-10-0x0000000003290000-0x0000000003294000-memory.dmp

Filesize
16KB

Download
memory/4904-30-0x0000000005150000-0x00000000051EC000-memory.dmp

Filesize
624KB

Download
memory/4904-29-0x000000007553E000-0x000000007553F000-memory.dmp

Filesize
4KB

Download
memory/4904-28-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4904-31-0x0000000075530000-0x0000000075CE0000-memory.dmp

Filesize
7.7MB

Download
memory/4904-32-0x000000007553E000-0x000000007553F000-memory.dmp

Filesize
4KB

Download
memory/4904-33-0x0000000005820000-0x0000000005886000-memory.dmp

Filesize
408KB

Download
memory/4904-34-0x0000000075530000-0x0000000075CE0000-memory.dmp

Filesize
7.7MB

Download
memory/4904-35-0x0000000006160000-0x00000000061F2000-memory.dmp

Filesize
584KB

Download
memory/4904-36-0x00000000067B0000-0x0000000006D54000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads