agenttesla | eec8c10e557878b327ee9e50e7b87a8205949a30775d792ea6b24b427ed01bae

General

Target

ui.exe
Size

3.8MB
MD5

3569910289e6b0091cebcd43b30d93e4
SHA1

bfed29dd51e28326e17f938ddb5ff59f84aac622
SHA256

eec8c10e557878b327ee9e50e7b87a8205949a30775d792ea6b24b427ed01bae
SHA512

7e6af73b5fafd6edfca3a76ef00f8b6db0d9ff6be317f1cedb5003893d9fe31041963145ee77953c1ccebe967e3d83b216615d26a0e5ee8c1e3c8826093d9b7e
SSDEEP

98304:ZPnQZWNbNHjSZEGECRLpXa+0BmoatvfnagX/tbBhlD:eWNbNHbGEC9U78onGtjl

Score

10^/10

agenttesla xworm execution keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

C2

lijaligibidu-35558.portmap.host:35558

Attributes

Install_directory
%AppData%
install_file
Windows Security.exe

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x00070000000234de-17.dat	family_xworm
behavioral2/memory/3220-25-0x0000000000260000-0x0000000000278000-memory.dmp	family_xworm

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4664-31-0x0000028C3D370000-0x0000028C3D586000-memory.dmp	family_agenttesla

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
656	powershell.exe
2156	powershell.exe
2288	powershell.exe
1928	powershell.exe

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	ui.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	WindowsSecurity.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
4664	ui.exe
3220	WindowsSecurity.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
14	ip-api.com

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	ui.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	ui.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	ui.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2288	powershell.exe
2288	powershell.exe
1928	powershell.exe
1928	powershell.exe
656	powershell.exe
656	powershell.exe
2156	powershell.exe
2156	powershell.exe
3220	WindowsSecurity.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3220	WindowsSecurity.exe
Token: SeDebugPrivilege	2288	powershell.exe
Token: SeDebugPrivilege	1928	powershell.exe
Token: SeDebugPrivilege	656	powershell.exe
Token: SeDebugPrivilege	2156	powershell.exe
Token: SeDebugPrivilege	3220	WindowsSecurity.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3220	WindowsSecurity.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 4664	4944	ui.exe	86
PID 4944 wrote to memory of 4664	4944	ui.exe	86
PID 4944 wrote to memory of 3220	4944	ui.exe	87
PID 4944 wrote to memory of 3220	4944	ui.exe	87
PID 3220 wrote to memory of 2288	3220	WindowsSecurity.exe	93
PID 3220 wrote to memory of 2288	3220	WindowsSecurity.exe	93
PID 3220 wrote to memory of 1928	3220	WindowsSecurity.exe	95
PID 3220 wrote to memory of 1928	3220	WindowsSecurity.exe	95
PID 3220 wrote to memory of 656	3220	WindowsSecurity.exe	97
PID 3220 wrote to memory of 656	3220	WindowsSecurity.exe	97
PID 3220 wrote to memory of 2156	3220	WindowsSecurity.exe	100
PID 3220 wrote to memory of 2156	3220	WindowsSecurity.exe	100

C:\Users\Admin\AppData\Local\Temp\ui.exe
"C:\Users\Admin\AppData\Local\Temp\ui.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4944
- C:\Users\Admin\AppData\Roaming\ui.exe
  "C:\Users\Admin\AppData\Roaming\ui.exe"
  2⤵
  - Executes dropped EXE
  - Enumerates system info in registry
  PID:4664
- C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe
  "C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3220
- - 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\WindowsSecurity.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2288
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WindowsSecurity.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1928
- - 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\Windows Security.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:656
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Windows Security.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2156

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

Query Registry

2

T1012

System Information Discovery

3

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
6d42b6da621e8df5674e26b799c8e2aa

SHA1
ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

SHA256
5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

SHA512
53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

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

Filesize
944B

MD5
83685d101174171875b4a603a6c2a35c

SHA1
37be24f7c4525e17fa18dbd004186be3a9209017

SHA256
0c557845aab1da497bbff0e8fbe65cabf4cb2804b97ba8ae8c695a528af70870

SHA512
005a97a8e07b1840abdcef86a7881fd9bdc8acbfdf3eafe1dceb6374060626d81d789e57d87ca4096a39e28d5cca00f8945edff0a747591691ae75873d2b3fb5

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

Filesize
944B

MD5
34f595487e6bfd1d11c7de88ee50356a

SHA1
4caad088c15766cc0fa1f42009260e9a02f953bb

SHA256
0f9a4b52e01cb051052228a55d0515911b7ef5a8db3cf925528c746df511424d

SHA512
10976c5deaf9fac449e703e852c3b08d099f430de2d7c7b8e2525c35d63e28b890e5aab63feff9b20bca0aaf9f35a3ba411aee3fbeee9ea59f90ed25bd617a0b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_himhw4n0.bmd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe

Filesize
75KB

MD5
cf219a189dae4a022f26dd58cd5367e6

SHA1
76c2e7b756e894afc4e5fd7267fce398d58c518f

SHA256
725c0bcdb953e39e96a0192d2712b261541647259e494c583d19697a10d2ffbe

SHA512
21dc7cdd5ea07be708a5c696708207a1760851d2fbb608969254a8f3e806bbb87b6b27a4d5f4cecf1b5d90f6fc81759fd9f6222ddafdb955d41b0333ea085f1f

Download Submit
C:\Users\Admin\AppData\Roaming\ui.exe

Filesize
3.8MB

MD5
4d0438297aedcf3351e2399ee7b9a034

SHA1
6b37d1a0f585c6b056b98196c13662a588d3f5e6

SHA256
fe4845b2f864fa1f62d04e185237aa7434d031072e601a1b5e3acee09dc66e91

SHA512
60d85bf1ad55302ab94baa30137a00eff52d08faaffe18f0a098998d11fd79cfd4ad4bc220f2565b076bd44022ae44532cc78035d46dc8bddbf6f461ab16c5a0

Download Submit
memory/2288-34-0x00000235F3C20000-0x00000235F3C42000-memory.dmp

Filesize
136KB

Download
memory/3220-33-0x00007FFEAD820000-0x00007FFEAE2E1000-memory.dmp

Filesize
10.8MB

Download
memory/3220-29-0x00007FFEAD820000-0x00007FFEAE2E1000-memory.dmp

Filesize
10.8MB

Download
memory/3220-85-0x00007FFEAD820000-0x00007FFEAE2E1000-memory.dmp

Filesize
10.8MB

Download
memory/3220-25-0x0000000000260000-0x0000000000278000-memory.dmp

Filesize
96KB

Download
memory/4664-27-0x00007FFEAD820000-0x00007FFEAE2E1000-memory.dmp

Filesize
10.8MB

Download
memory/4664-28-0x0000028C3CF80000-0x0000028C3D0CE000-memory.dmp

Filesize
1.3MB

Download
memory/4664-30-0x0000028C22D40000-0x0000028C22D54000-memory.dmp

Filesize
80KB

Download
memory/4664-87-0x00007FFEAD820000-0x00007FFEAE2E1000-memory.dmp

Filesize
10.8MB

Download
memory/4664-32-0x00007FFEAD820000-0x00007FFEAE2E1000-memory.dmp

Filesize
10.8MB

Download
memory/4664-26-0x0000028C225D0000-0x0000028C22998000-memory.dmp

Filesize
3.8MB

Download
memory/4664-88-0x0000028C3D590000-0x0000028C3D739000-memory.dmp

Filesize
1.7MB

Download
memory/4664-84-0x00007FFEAD820000-0x00007FFEAE2E1000-memory.dmp

Filesize
10.8MB

Download
memory/4664-31-0x0000028C3D370000-0x0000028C3D586000-memory.dmp

Filesize
2.1MB

Download
memory/4664-86-0x0000028C3D590000-0x0000028C3D739000-memory.dmp

Filesize
1.7MB

Download
memory/4944-0-0x00007FFEAD823000-0x00007FFEAD825000-memory.dmp

Filesize
8KB

Download
memory/4944-1-0x0000000000210000-0x00000000005EC000-memory.dmp

Filesize
3.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads