xworm | 9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05

General

Target

9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe
Size

80KB
MD5

39ffa7b287f2d822703a6deea560dcbd
SHA1

34ae6406ec73ad02955cb7676b37489fdab1695b
SHA256

9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05
SHA512

7efa49f3c9ba846d6382e7683d64a5b00232c459028a177b07c0e4f28f06682bd3a219421a355515766007bee9e0dfcce5e243afba73290487057542a644cc40
SSDEEP

1536:GeKbbG1+cDVWr5hLbwWV5hcEW07Z4E+bCXsEN9qtgq6rLs4ORpmcG1h:GeKbb60r5hLbwWVcPk1+b8JY4ORpmth

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

cause-indexes.gl.at.ply.gg:17210

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3804-1-0x0000000000540000-0x000000000055A000-memory.dmp	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
5008	powershell.exe
1760	powershell.exe
5000	powershell.exe
964	powershell.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-925314154-1797147466-1467878628-1000\Control Panel\International\Geo\Nation	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.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\USER\S-1-5-21-925314154-1797147466-1467878628-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
964	powershell.exe
964	powershell.exe
5008	powershell.exe
5008	powershell.exe
1760	powershell.exe
1760	powershell.exe
5000	powershell.exe
5000	powershell.exe
3804	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3804	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe
Token: SeDebugPrivilege	964	powershell.exe
Token: SeDebugPrivilege	5008	powershell.exe
Token: SeDebugPrivilege	1760	powershell.exe
Token: SeDebugPrivilege	5000	powershell.exe
Token: SeDebugPrivilege	3804	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3804	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 964	3804	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe	89
PID 3804 wrote to memory of 964	3804	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe	89
PID 3804 wrote to memory of 5008	3804	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe	93
PID 3804 wrote to memory of 5008	3804	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe	93
PID 3804 wrote to memory of 1760	3804	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe	95
PID 3804 wrote to memory of 1760	3804	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe	95
PID 3804 wrote to memory of 5000	3804	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe	97
PID 3804 wrote to memory of 5000	3804	9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe	97

C:\Users\Admin\AppData\Local\Temp\9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe
"C:\Users\Admin\AppData\Local\Temp\9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3804
- 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\9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:964
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5008
- 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\Roaming\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1760
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
ef72c47dbfaae0b9b0d09f22ad4afe20

SHA1
5357f66ba69b89440b99d4273b74221670129338

SHA256
692ec20c7039170fb199510f0436181fd155e6b4516d4d1c9e1675adf99aaa7f

SHA512
7514b6bc8dc39fa618223300be27cd535dc35b18c66b4a089e2302e72b3e0cac06d88a989fa1296feb386b3cbe2084019df6430c7f895071b76e04ce559a30b4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6875efc12a164c435d20e291a85b924a

SHA1
6df1f426aa81ea07aea22d817ae3e6def99d94d8

SHA256
ec8ee1d87d1dea27f591c1a96ef4d130e615239d37cd024a0b5d44e7c097abde

SHA512
f97b42df0e2a2a83abdd6bfb1018f879e6f617d1e1023f3f832ca1b7acd516d60be4a26155f3a434679c197631857a725b422939305218263cdf694a3ec02627

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_osco55p0.qmm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/964-13-0x00007FF8665C0000-0x00007FF867081000-memory.dmp

Filesize
10.8MB

Download
memory/964-14-0x00007FF8665C0000-0x00007FF867081000-memory.dmp

Filesize
10.8MB

Download
memory/964-15-0x00007FF8665C0000-0x00007FF867081000-memory.dmp

Filesize
10.8MB

Download
memory/964-18-0x00007FF8665C0000-0x00007FF867081000-memory.dmp

Filesize
10.8MB

Download
memory/964-12-0x00007FF8665C0000-0x00007FF867081000-memory.dmp

Filesize
10.8MB

Download
memory/964-2-0x00000188BF2E0000-0x00000188BF302000-memory.dmp

Filesize
136KB

Download
memory/3804-0-0x00007FF8665C3000-0x00007FF8665C5000-memory.dmp

Filesize
8KB

Download
memory/3804-1-0x0000000000540000-0x000000000055A000-memory.dmp

Filesize
104KB

Download
memory/3804-57-0x00007FF8665C0000-0x00007FF867081000-memory.dmp

Filesize
10.8MB

Download
memory/3804-58-0x00007FF8665C0000-0x00007FF867081000-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