agenttesla | 488bf5021933ae538ec23184735b36f74656861d1f124debf1023287b4d89c42

General

Target

oBMlky3Rkm7h5QK.exe
Size

744KB
MD5

596365c750c4f8e60a966e220e35e7d9
SHA1

234b7114f19589e1768670361e2a4cd7328f8c75
SHA256

e77c8ca31128a1a181b99a8234f39559854855d871d7abe167e004bb970e7f3c
SHA512

5679cc3bca181e417de60f4f8c473a17445405eb32f0e37855111ba5f6b8a95cc22225628da8c0227078177342ad3f9a1b9c3b985e04aff086d0a7e626e20047
SSDEEP

12288:akz4ayww0uLdzCeXEdFGpQCDsmIag2Sh7unpPcmg5I0i4DVlupWXAhT:UajazCe0dFoQQs55h7uVoG0dDVlup+

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.pacificindia.com
Port:
587
Username:
[email protected]
Password:
FEYEjBLgGnyw
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2192-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2192-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2192-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2192-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2192-36-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2592-38-0x0000000002740000-0x0000000002780000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2192-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2192-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2192-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2192-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2192-36-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2592-38-0x0000000002740000-0x0000000002780000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1368-4-0x0000000000400000-0x000000000040C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2192-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2192-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2192-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2192-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2192-36-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2592-38-0x0000000002740000-0x0000000002780000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2192-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2192-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2192-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2192-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2192-36-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2592-38-0x0000000002740000-0x0000000002780000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2192-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2192-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2192-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2192-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2192-36-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2592-38-0x0000000002740000-0x0000000002780000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2192-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2192-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2192-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2192-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2192-36-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2592-38-0x0000000002740000-0x0000000002780000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\qZeUnR = "C:\\Users\\Admin\\AppData\\Roaming\\qZeUnR\\qZeUnR.exe"	RegSvcs.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

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

oBMlky3Rkm7h5QK.exe

description pid process target process

PID 1368 set thread context of 2192 1368 oBMlky3Rkm7h5QK.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2760 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

oBMlky3Rkm7h5QK.exeRegSvcs.exepowershell.exepowershell.exe

pid process

1368 oBMlky3Rkm7h5QK.exe
1368 oBMlky3Rkm7h5QK.exe
1368 oBMlky3Rkm7h5QK.exe
2192 RegSvcs.exe
2192 RegSvcs.exe
2608 powershell.exe
2592 powershell.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 1368 set thread context of 2192	1368	oBMlky3Rkm7h5QK.exe	RegSvcs.exe

pid	process
2760	schtasks.exe

pid	process
1368	oBMlky3Rkm7h5QK.exe
1368	oBMlky3Rkm7h5QK.exe
1368	oBMlky3Rkm7h5QK.exe
2192	RegSvcs.exe
2192	RegSvcs.exe
2608	powershell.exe
2592	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

oBMlky3Rkm7h5QK.exeRegSvcs.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1368	oBMlky3Rkm7h5QK.exe
Token: SeDebugPrivilege	2192	RegSvcs.exe
Token: SeDebugPrivilege	2608	powershell.exe
Token: SeDebugPrivilege	2592	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

oBMlky3Rkm7h5QK.exe

description	pid	process	target process
PID 1368 wrote to memory of 2608	1368	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 1368 wrote to memory of 2608	1368	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 1368 wrote to memory of 2608	1368	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 1368 wrote to memory of 2608	1368	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 1368 wrote to memory of 2592	1368	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 1368 wrote to memory of 2592	1368	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 1368 wrote to memory of 2592	1368	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 1368 wrote to memory of 2592	1368	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 1368 wrote to memory of 2760	1368	oBMlky3Rkm7h5QK.exe	schtasks.exe
PID 1368 wrote to memory of 2760	1368	oBMlky3Rkm7h5QK.exe	schtasks.exe
PID 1368 wrote to memory of 2760	1368	oBMlky3Rkm7h5QK.exe	schtasks.exe
PID 1368 wrote to memory of 2760	1368	oBMlky3Rkm7h5QK.exe	schtasks.exe
PID 1368 wrote to memory of 2192	1368	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 1368 wrote to memory of 2192	1368	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 1368 wrote to memory of 2192	1368	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 1368 wrote to memory of 2192	1368	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 1368 wrote to memory of 2192	1368	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 1368 wrote to memory of 2192	1368	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 1368 wrote to memory of 2192	1368	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 1368 wrote to memory of 2192	1368	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 1368 wrote to memory of 2192	1368	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 1368 wrote to memory of 2192	1368	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 1368 wrote to memory of 2192	1368	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 1368 wrote to memory of 2192	1368	oBMlky3Rkm7h5QK.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\oBMlky3Rkm7h5QK.exe
"C:\Users\Admin\AppData\Local\Temp\oBMlky3Rkm7h5QK.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1368

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\oBMlky3Rkm7h5QK.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2608

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ECXXCuFHUVw.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2592

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ECXXCuFHUVw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC19A.tmp"
2⤵
- Creates scheduled task(s)
PID:2760

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC19A.tmp

Filesize
1KB

MD5
aa92643ad1c350b23bb7928dd7fadddc

SHA1
1a0fe0d0506527443bb6e55d9306c949242b05ba

SHA256
4ffc8bbd3f6842f6dc6913605746bcd7206234266175abbca49f2dc5adbb1aec

SHA512
003afa2c3dc58452d0c8a5a5321fd1c5b9d98e885abc26632e117b9633b8ae869b07da388bcc7f3fc56c7f6e54f52b7978ebe8fa214b46bc0e115da2382351e7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7GHUR35SQ4FVEHMTLZT1.temp

Filesize
7KB

MD5
585464aceaacb9feb824b65f9e73057b

SHA1
a0562e4c322dcf692f0026c1d22f6a9eca947caa

SHA256
020c105ba25035c1b0dcfedcd5d418a85530cfeec6492d9498b6ad73e8e6a3b5

SHA512
53a0f99a3d7ac95fa79d4278c8019ce0808deb770bd0a0f75c75f8fb392a3a611430b35b724d7d1d4436e4b7c9cf8a07c52a71d2ec52f9388ae08aa48a6234fd

Download Submit
memory/1368-0-0x0000000000BB0000-0x0000000000C70000-memory.dmp

Filesize
768KB

Download
memory/1368-1-0x0000000074A40000-0x000000007512E000-memory.dmp

Filesize
6.9MB

Download
memory/1368-2-0x00000000020F0000-0x0000000002130000-memory.dmp

Filesize
256KB

Download
memory/1368-3-0x00000000002E0000-0x00000000002F2000-memory.dmp

Filesize
72KB

Download
memory/1368-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1368-5-0x00000000052A0000-0x0000000005322000-memory.dmp

Filesize
520KB

Download
memory/1368-34-0x0000000074A40000-0x000000007512E000-memory.dmp

Filesize
6.9MB

Download
memory/2192-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2192-36-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2192-45-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download
memory/2192-44-0x0000000073B10000-0x00000000741FE000-memory.dmp

Filesize
6.9MB

Download
memory/2192-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2192-39-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download
memory/2192-37-0x0000000073B10000-0x00000000741FE000-memory.dmp

Filesize
6.9MB

Download
memory/2192-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2192-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2192-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2192-33-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2192-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2592-29-0x0000000002740000-0x0000000002780000-memory.dmp

Filesize
256KB

Download
memory/2592-23-0x000000006EE60000-0x000000006F40B000-memory.dmp

Filesize
5.7MB

Download
memory/2592-38-0x0000000002740000-0x0000000002780000-memory.dmp

Filesize
256KB

Download
memory/2592-40-0x0000000002740000-0x0000000002780000-memory.dmp

Filesize
256KB

Download
memory/2592-42-0x000000006EE60000-0x000000006F40B000-memory.dmp

Filesize
5.7MB

Download
memory/2608-21-0x000000006EE60000-0x000000006F40B000-memory.dmp

Filesize
5.7MB

Download
memory/2608-41-0x000000006EE60000-0x000000006F40B000-memory.dmp

Filesize
5.7MB

Download
memory/2608-27-0x000000006EE60000-0x000000006F40B000-memory.dmp

Filesize
5.7MB

Download
memory/2608-25-0x0000000002660000-0x00000000026A0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads