agenttesla | 88d329bc79df8872e028b644de8a28cbc2608f632f841dbb21ffa4fa99d8ca85

General

Target

Facturas Marzo.exe
Size

746KB
MD5

2ab9c5d43df277601578f57b0667dfba
SHA1

253ab90ac289518e17786676a2786a31d7148e13
SHA256

808b3770297bd70c5d9026b4c7d727dc124769f10726645d56869cc48ae32960
SHA512

6521c55d01ef052ff3a9881c0f34e4385eff41c203e348d6c4a67ec867a684fd5696989465a9455cadb8e9c8a6152e6689f434881a3d12d216a6a2d1dfa13064
SSDEEP

12288:Jd8sIDs7OHMLuo2+vVB7uDcmcZ6Ub/Icjrqvnpm4wPtxhIfARPZXKC7NkU0cwsDf:Jd8sIDrMJ20QbcZxb/Icjsc48JIQh1B/

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7189076260:AAHEL9QuHqQcKXN8kPXNO5BpYSd3XtQOqFg/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

Facturas Marzo.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Facturas Marzo.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Facturas Marzo.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Facturas Marzo.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Facturas Marzo.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Facturas Marzo.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

6 api.ipify.org
7 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Facturas Marzo.exe

description pid process target process

PID 4800 set thread context of 1212 4800 Facturas Marzo.exe installutil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	ioc
6	api.ipify.org
7	api.ipify.org

description	pid	process	target process
PID 4800 set thread context of 1212	4800	Facturas Marzo.exe	installutil.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

Facturas Marzo.exepowershell.exeinstallutil.exe

pid	process
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4800	Facturas Marzo.exe
4796	powershell.exe
1212	installutil.exe
1212	installutil.exe
4796	powershell.exe
4796	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Facturas Marzo.exepowershell.exeinstallutil.exe

description	pid	process
Token: SeDebugPrivilege	4800	Facturas Marzo.exe
Token: SeDebugPrivilege	4796	powershell.exe
Token: SeDebugPrivilege	1212	installutil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

installutil.exe

pid process

1212 installutil.exe

pid	process
1212	installutil.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Facturas Marzo.exe

description	pid	process	target process
PID 4800 wrote to memory of 4796	4800	Facturas Marzo.exe	powershell.exe
PID 4800 wrote to memory of 4796	4800	Facturas Marzo.exe	powershell.exe
PID 4800 wrote to memory of 1212	4800	Facturas Marzo.exe	installutil.exe
PID 4800 wrote to memory of 1212	4800	Facturas Marzo.exe	installutil.exe
PID 4800 wrote to memory of 1212	4800	Facturas Marzo.exe	installutil.exe
PID 4800 wrote to memory of 1212	4800	Facturas Marzo.exe	installutil.exe
PID 4800 wrote to memory of 1212	4800	Facturas Marzo.exe	installutil.exe
PID 4800 wrote to memory of 1212	4800	Facturas Marzo.exe	installutil.exe
PID 4800 wrote to memory of 1212	4800	Facturas Marzo.exe	installutil.exe
PID 4800 wrote to memory of 1212	4800	Facturas Marzo.exe	installutil.exe
PID 4800 wrote to memory of 4048	4800	Facturas Marzo.exe	installutil.exe
PID 4800 wrote to memory of 4048	4800	Facturas Marzo.exe	installutil.exe
PID 4800 wrote to memory of 4048	4800	Facturas Marzo.exe	installutil.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

Facturas Marzo.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Facturas Marzo.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Facturas Marzo.exe

C:\Users\Admin\AppData\Local\Temp\Facturas Marzo.exe
"C:\Users\Admin\AppData\Local\Temp\Facturas Marzo.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4800

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Facturas Marzo.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4796

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1212

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
PID:4048

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3528

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uw3vr3o1.1k1.ps1
Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/1212-68-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/1212-67-0x0000000073460000-0x0000000073B4E000-memory.dmp

Filesize
6.9MB

Download
memory/1212-65-0x0000000006710000-0x000000000671A000-memory.dmp

Filesize
40KB

Download
memory/1212-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1212-64-0x0000000006660000-0x00000000066F2000-memory.dmp

Filesize
584KB

Download
memory/1212-10-0x00000000057A0000-0x0000000005C9E000-memory.dmp

Filesize
5.0MB

Download
memory/1212-11-0x0000000073460000-0x0000000073B4E000-memory.dmp

Filesize
6.9MB

Download
memory/1212-13-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/1212-15-0x0000000002B70000-0x0000000002BD6000-memory.dmp

Filesize
408KB

Download
memory/1212-63-0x00000000064B0000-0x0000000006500000-memory.dmp

Filesize
320KB

Download
memory/4796-14-0x000002A9511A0000-0x000002A9511C2000-memory.dmp

Filesize
136KB

Download
memory/4796-18-0x000002A969A80000-0x000002A969AF6000-memory.dmp

Filesize
472KB

Download
memory/4796-31-0x000002A969790000-0x000002A9697A0000-memory.dmp

Filesize
64KB

Download
memory/4796-58-0x000002A969790000-0x000002A9697A0000-memory.dmp

Filesize
64KB

Download
memory/4796-62-0x00007FFAB9A70000-0x00007FFABA45C000-memory.dmp

Filesize
9.9MB

Download
memory/4796-8-0x00007FFAB9A70000-0x00007FFABA45C000-memory.dmp

Filesize
9.9MB

Download
memory/4800-0-0x0000025C20050000-0x0000025C2007E000-memory.dmp

Filesize
184KB

Download
memory/4800-3-0x0000025C3A7E0000-0x0000025C3A876000-memory.dmp

Filesize
600KB

Download
memory/4800-66-0x00007FFAB9A70000-0x00007FFABA45C000-memory.dmp

Filesize
9.9MB

Download
memory/4800-2-0x0000025C21E90000-0x0000025C21EA0000-memory.dmp

Filesize
64KB

Download
memory/4800-1-0x00007FFAB9A70000-0x00007FFABA45C000-memory.dmp

Filesize
9.9MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads