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. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1648-45-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1648-45-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/776-8-0x0000000004D90000-0x0000000004D9C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1648-45-0x0000000000400000-0x0000000000442000-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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1648-45-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1648-45-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1648-45-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

Processes:

oBMlky3Rkm7h5QK.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	oBMlky3Rkm7h5QK.exe

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-1-5-21-566096764-1992588923-1249862864-1000\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

20 api.ipify.org
19 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

oBMlky3Rkm7h5QK.exe

description pid process target process

PID 776 set thread context of 1648 776 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

364 schtasks.exe

flow	ioc
20	api.ipify.org
19	api.ipify.org

description	pid	process	target process
PID 776 set thread context of 1648	776	oBMlky3Rkm7h5QK.exe	RegSvcs.exe

pid	process
364	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

oBMlky3Rkm7h5QK.exepowershell.exepowershell.exeRegSvcs.exe

pid	process
776	oBMlky3Rkm7h5QK.exe
2672	powershell.exe
2672	powershell.exe
1036	powershell.exe
1036	powershell.exe
776	oBMlky3Rkm7h5QK.exe
776	oBMlky3Rkm7h5QK.exe
1036	powershell.exe
1648	RegSvcs.exe
1648	RegSvcs.exe
1648	RegSvcs.exe
2672	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

oBMlky3Rkm7h5QK.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	776	oBMlky3Rkm7h5QK.exe
Token: SeDebugPrivilege	2672	powershell.exe
Token: SeDebugPrivilege	1036	powershell.exe
Token: SeDebugPrivilege	1648	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

oBMlky3Rkm7h5QK.exe

description	pid	process	target process
PID 776 wrote to memory of 1036	776	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 776 wrote to memory of 1036	776	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 776 wrote to memory of 1036	776	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 776 wrote to memory of 2672	776	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 776 wrote to memory of 2672	776	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 776 wrote to memory of 2672	776	oBMlky3Rkm7h5QK.exe	powershell.exe
PID 776 wrote to memory of 364	776	oBMlky3Rkm7h5QK.exe	schtasks.exe
PID 776 wrote to memory of 364	776	oBMlky3Rkm7h5QK.exe	schtasks.exe
PID 776 wrote to memory of 364	776	oBMlky3Rkm7h5QK.exe	schtasks.exe
PID 776 wrote to memory of 1648	776	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 776 wrote to memory of 1648	776	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 776 wrote to memory of 1648	776	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 776 wrote to memory of 1648	776	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 776 wrote to memory of 1648	776	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 776 wrote to memory of 1648	776	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 776 wrote to memory of 1648	776	oBMlky3Rkm7h5QK.exe	RegSvcs.exe
PID 776 wrote to memory of 1648	776	oBMlky3Rkm7h5QK.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\oBMlky3Rkm7h5QK.exe
"C:\Users\Admin\AppData\Local\Temp\oBMlky3Rkm7h5QK.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:776

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:1036

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:2672

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ECXXCuFHUVw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6C66.tmp"
2⤵
- Creates scheduled task(s)
PID:364

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:1648

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

1

T1012

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2gq03vbi.0bc.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6C66.tmp
Filesize
1KB

MD5
5bd775bc94f5db31ed06f14fac93917d

SHA1
e4c63172903614aa09c741d201276c6998d973b8

SHA256
5f97642718ed2379770d6795ed514779bfc8ca21f0dbcc1f25116041fb930102

SHA512
38cc1d415bf183464fca31dd1f8427d02b366fd2087d9438d7df7b1243c49eaf0684c351f248fd8cec2fc8884e1d6733f21c8a9a891fefa8eb4957bd5ff6acd1

Download Submit
memory/776-9-0x00000000061F0000-0x0000000006272000-memory.dmp

Filesize
520KB

Download
memory/776-0-0x0000000000060000-0x0000000000120000-memory.dmp

Filesize
768KB

Download
memory/776-5-0x0000000004B00000-0x0000000004B0A000-memory.dmp

Filesize
40KB

Download
memory/776-6-0x0000000004DC0000-0x0000000004E5C000-memory.dmp

Filesize
624KB

Download
memory/776-49-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/776-8-0x0000000004D90000-0x0000000004D9C000-memory.dmp

Filesize
48KB

Download
memory/776-1-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/776-2-0x0000000005100000-0x00000000056A4000-memory.dmp

Filesize
5.6MB

Download
memory/776-4-0x0000000004D10000-0x0000000004D20000-memory.dmp

Filesize
64KB

Download
memory/776-7-0x0000000004D00000-0x0000000004D12000-memory.dmp

Filesize
72KB

Download
memory/776-3-0x0000000004B50000-0x0000000004BE2000-memory.dmp

Filesize
584KB

Download
memory/1036-14-0x0000000004E30000-0x0000000004E66000-memory.dmp

Filesize
216KB

Download
memory/1036-53-0x00000000751E0000-0x000000007522C000-memory.dmp

Filesize
304KB

Download
memory/1036-77-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/1036-21-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/1036-74-0x00000000075D0000-0x00000000075EE000-memory.dmp

Filesize
120KB

Download
memory/1036-30-0x0000000005DC0000-0x0000000005E26000-memory.dmp

Filesize
408KB

Download
memory/1036-15-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/1036-16-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/1036-80-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/1036-93-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/1036-81-0x0000000007D70000-0x00000000083EA000-memory.dmp

Filesize
6.5MB

Download
memory/1036-85-0x0000000007920000-0x0000000007931000-memory.dmp

Filesize
68KB

Download
memory/1036-54-0x000000007F930000-0x000000007F940000-memory.dmp

Filesize
64KB

Download
memory/1036-23-0x0000000005BE0000-0x0000000005C46000-memory.dmp

Filesize
408KB

Download
memory/1036-50-0x00000000063F0000-0x000000000640E000-memory.dmp

Filesize
120KB

Download
memory/1036-51-0x0000000006490000-0x00000000064DC000-memory.dmp

Filesize
304KB

Download
memory/1036-86-0x0000000007960000-0x000000000796E000-memory.dmp

Filesize
56KB

Download
memory/1648-97-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/1648-48-0x0000000005760000-0x0000000005770000-memory.dmp

Filesize
64KB

Download
memory/1648-47-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/1648-45-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1648-98-0x0000000005760000-0x0000000005770000-memory.dmp

Filesize
64KB

Download
memory/1648-96-0x0000000006B30000-0x0000000006B80000-memory.dmp

Filesize
320KB

Download
memory/2672-17-0x0000000005410000-0x0000000005A38000-memory.dmp

Filesize
6.2MB

Download
memory/2672-79-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/2672-78-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/2672-52-0x00000000072B0000-0x00000000072E2000-memory.dmp

Filesize
200KB

Download
memory/2672-82-0x0000000007610000-0x000000000762A000-memory.dmp

Filesize
104KB

Download
memory/2672-75-0x00000000074F0000-0x0000000007593000-memory.dmp

Filesize
652KB

Download
memory/2672-83-0x0000000007680000-0x000000000768A000-memory.dmp

Filesize
40KB

Download
memory/2672-84-0x0000000007890000-0x0000000007926000-memory.dmp

Filesize
600KB

Download
memory/2672-76-0x000000007FC30000-0x000000007FC40000-memory.dmp

Filesize
64KB

Download
memory/2672-87-0x0000000007850000-0x0000000007864000-memory.dmp

Filesize
80KB

Download
memory/2672-88-0x0000000007950000-0x000000000796A000-memory.dmp

Filesize
104KB

Download
memory/2672-89-0x0000000007930000-0x0000000007938000-memory.dmp

Filesize
32KB

Download
memory/2672-55-0x00000000751E0000-0x000000007522C000-memory.dmp

Filesize
304KB

Download
memory/2672-44-0x0000000005CF0000-0x0000000006044000-memory.dmp

Filesize
3.3MB

Download
memory/2672-94-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2672-22-0x0000000005B70000-0x0000000005B92000-memory.dmp

Filesize
136KB

Download
memory/2672-20-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/2672-19-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/2672-18-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads