xworm | 93749507b92c18b79b250c85af6db6b71ed877d2ca412ef5a0f085eeb0c099b4

General

Target

mink menu.exe
Size

794KB
MD5

ab4b353822b158d7056594f1b231259c
SHA1

34b4d9ac1593387d574ff7f73e438caec6d87aa1
SHA256

93749507b92c18b79b250c85af6db6b71ed877d2ca412ef5a0f085eeb0c099b4
SHA512

d13fa57480b727e32bc7d52ff080435fbf9212c2ae40ea2fe9133aa7a835a90868862ed40bb260b41158c54011436eac47cc0423bff3cfc2cbfdae1a74869545
SSDEEP

12288:aMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9B/WTj:ansJ39LyjbJkQFMhmC+6GD9p4

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

human-walked.gl.at.ply.gg:7716

Mutex

qPNrlaoLKjWtqmog

Attributes

Install_directory
%AppData%
install_file
XClient.exe

aes.plain

Signatures

Detect Xworm Payload 13 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023187-5.dat	family_xworm
behavioral2/files/0x0007000000023187-59.dat	family_xworm
behavioral2/files/0x0007000000023187-64.dat	family_xworm
behavioral2/files/0x000800000002318c-66.dat	family_xworm
behavioral2/memory/4500-70-0x0000000000B30000-0x0000000000B40000-memory.dmp	family_xworm
behavioral2/files/0x000800000002318c-127.dat	family_xworm
behavioral2/memory/2784-129-0x0000000000400000-0x00000000004CC000-memory.dmp	family_xworm
behavioral2/files/0x000800000002318c-128.dat	family_xworm
behavioral2/files/0x000700000002318f-190.dat	family_xworm
behavioral2/files/0x000700000002318f-191.dat	family_xworm
behavioral2/memory/1208-200-0x0000000000400000-0x00000000004CC000-memory.dmp	family_xworm
behavioral2/memory/1208-210-0x0000000000400000-0x00000000004CC000-memory.dmp	family_xworm
behavioral2/memory/1208-226-0x0000000000400000-0x00000000004CC000-memory.dmp	family_xworm

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

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\Control Panel\International\Geo\Nation	mink menu.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	._cache_mink menu.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	._cache_mink menu.exe

Executes dropped EXE 3 IoCs

pid	Process
4500	._cache_mink menu.exe
1208	Synaptics.exe
4192	._cache_Synaptics.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	mink menu.exe

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	mink menu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4500	._cache_mink menu.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4500	._cache_mink menu.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4500	._cache_mink menu.exe
Token: SeDebugPrivilege	4192	._cache_Synaptics.exe
Token: SeDebugPrivilege	4500	._cache_mink menu.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4500	._cache_mink menu.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 4500	2784	mink menu.exe	86
PID 2784 wrote to memory of 4500	2784	mink menu.exe	86
PID 2784 wrote to memory of 1208	2784	mink menu.exe	88
PID 2784 wrote to memory of 1208	2784	mink menu.exe	88
PID 2784 wrote to memory of 1208	2784	mink menu.exe	88
PID 1208 wrote to memory of 4192	1208	Synaptics.exe	89
PID 1208 wrote to memory of 4192	1208	Synaptics.exe	89

C:\Users\Admin\AppData\Local\Temp\mink menu.exe
"C:\Users\Admin\AppData\Local\Temp\mink menu.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2784
- C:\Users\Admin\AppData\Local\Temp\._cache_mink menu.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_mink menu.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4500
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1208
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
794KB

MD5
ab4b353822b158d7056594f1b231259c

SHA1
34b4d9ac1593387d574ff7f73e438caec6d87aa1

SHA256
93749507b92c18b79b250c85af6db6b71ed877d2ca412ef5a0f085eeb0c099b4

SHA512
d13fa57480b727e32bc7d52ff080435fbf9212c2ae40ea2fe9133aa7a835a90868862ed40bb260b41158c54011436eac47cc0423bff3cfc2cbfdae1a74869545

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe

Filesize
794KB

MD5
ab4b353822b158d7056594f1b231259c

SHA1
34b4d9ac1593387d574ff7f73e438caec6d87aa1

SHA256
93749507b92c18b79b250c85af6db6b71ed877d2ca412ef5a0f085eeb0c099b4

SHA512
d13fa57480b727e32bc7d52ff080435fbf9212c2ae40ea2fe9133aa7a835a90868862ed40bb260b41158c54011436eac47cc0423bff3cfc2cbfdae1a74869545

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe

Filesize
794KB

MD5
ab4b353822b158d7056594f1b231259c

SHA1
34b4d9ac1593387d574ff7f73e438caec6d87aa1

SHA256
93749507b92c18b79b250c85af6db6b71ed877d2ca412ef5a0f085eeb0c099b4

SHA512
d13fa57480b727e32bc7d52ff080435fbf9212c2ae40ea2fe9133aa7a835a90868862ed40bb260b41158c54011436eac47cc0423bff3cfc2cbfdae1a74869545

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe

Filesize
40KB

MD5
588c03c6c50d36ba65c2c6e4434d63d5

SHA1
bc375f097aa8644d4f35222b97efb8fe221caa9b

SHA256
3076e71b5522499be15dfcb6d05b13f6e328c82d4b5b9881989ed14cf37e6f5a

SHA512
0d524d1e530b6130f67ee121c31b040be3d81110f72872be7fa58a0e38bf9f22bf2ad0b0830a8c84ee398d8154a23511f07c7040ac015ef0054c4bc478ca305d

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe

Filesize
40KB

MD5
588c03c6c50d36ba65c2c6e4434d63d5

SHA1
bc375f097aa8644d4f35222b97efb8fe221caa9b

SHA256
3076e71b5522499be15dfcb6d05b13f6e328c82d4b5b9881989ed14cf37e6f5a

SHA512
0d524d1e530b6130f67ee121c31b040be3d81110f72872be7fa58a0e38bf9f22bf2ad0b0830a8c84ee398d8154a23511f07c7040ac015ef0054c4bc478ca305d

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_mink menu.exe

Filesize
40KB

MD5
588c03c6c50d36ba65c2c6e4434d63d5

SHA1
bc375f097aa8644d4f35222b97efb8fe221caa9b

SHA256
3076e71b5522499be15dfcb6d05b13f6e328c82d4b5b9881989ed14cf37e6f5a

SHA512
0d524d1e530b6130f67ee121c31b040be3d81110f72872be7fa58a0e38bf9f22bf2ad0b0830a8c84ee398d8154a23511f07c7040ac015ef0054c4bc478ca305d

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_mink menu.exe

Filesize
40KB

MD5
588c03c6c50d36ba65c2c6e4434d63d5

SHA1
bc375f097aa8644d4f35222b97efb8fe221caa9b

SHA256
3076e71b5522499be15dfcb6d05b13f6e328c82d4b5b9881989ed14cf37e6f5a

SHA512
0d524d1e530b6130f67ee121c31b040be3d81110f72872be7fa58a0e38bf9f22bf2ad0b0830a8c84ee398d8154a23511f07c7040ac015ef0054c4bc478ca305d

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_mink menu.exe

Filesize
40KB

MD5
588c03c6c50d36ba65c2c6e4434d63d5

SHA1
bc375f097aa8644d4f35222b97efb8fe221caa9b

SHA256
3076e71b5522499be15dfcb6d05b13f6e328c82d4b5b9881989ed14cf37e6f5a

SHA512
0d524d1e530b6130f67ee121c31b040be3d81110f72872be7fa58a0e38bf9f22bf2ad0b0830a8c84ee398d8154a23511f07c7040ac015ef0054c4bc478ca305d

Download Submit
memory/1208-226-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/1208-133-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/1208-203-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/1208-210-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/1208-200-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/2784-0-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/2784-129-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/4192-192-0x00007FFC3DA60000-0x00007FFC3E521000-memory.dmp

Filesize
10.8MB

Download
memory/4192-195-0x00007FFC3DA60000-0x00007FFC3E521000-memory.dmp

Filesize
10.8MB

Download
memory/4500-70-0x0000000000B30000-0x0000000000B40000-memory.dmp

Filesize
64KB

Download
memory/4500-201-0x00007FFC3DA60000-0x00007FFC3E521000-memory.dmp

Filesize
10.8MB

Download
memory/4500-204-0x0000000002CC0000-0x0000000002CD0000-memory.dmp

Filesize
64KB

Download
memory/4500-199-0x0000000002CC0000-0x0000000002CD0000-memory.dmp

Filesize
64KB

Download
memory/4500-130-0x00007FFC3DA60000-0x00007FFC3E521000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads