agenttesla | 45981fd05046a30bdeb47e1976b3eb1c82d445647213095ca17168e1eb35be7b

General

Target

SOA 22011~2302.exe
Size

628KB
MD5

d3fea9f328fda4aacb4b5076701ce969
SHA1

fe23b935f871609c836b1b5cc4c598da2785f970
SHA256

45981fd05046a30bdeb47e1976b3eb1c82d445647213095ca17168e1eb35be7b
SHA512

5dd2d7c724c81af1e1be8ed9b29b7df5e77b6c1de9beea07849a8bc0beb9870dfcb22032ee6267ce490d827f5b0120cf38e0621e8a34ace7cdf844ed97a68943
SSDEEP

12288:4D/OVtLVzLwrm1SR9nSzvGvr8+MF561/To+E4eK9QCZ:iwSYvGvr8+M/61/k4l9

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5663632223:AAG5KHZDs7KWoaqTYx3lSyFlOdfD9vGegQo/

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\eubJfun = "C:\\Users\\Admin\\AppData\\Roaming\\eubJfun\\eubJfun.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:

SOA 22011~2302.exe

description pid process target process

PID 2032 set thread context of 1308 2032 SOA 22011~2302.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

1764 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

SOA 22011~2302.exepowershell.exe

pid process

2032 SOA 22011~2302.exe
2032 SOA 22011~2302.exe
1368 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SOA 22011~2302.exeRegSvcs.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2032 SOA 22011~2302.exe
Token: SeDebugPrivilege 1308 RegSvcs.exe
Token: SeDebugPrivilege 1368 powershell.exe

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

description	pid	process	target process
PID 2032 set thread context of 1308	2032	SOA 22011~2302.exe	RegSvcs.exe

pid	process
1764	schtasks.exe

pid	process
2032	SOA 22011~2302.exe
2032	SOA 22011~2302.exe
1368	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2032	SOA 22011~2302.exe
Token: SeDebugPrivilege	1308	RegSvcs.exe
Token: SeDebugPrivilege	1368	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

SOA 22011~2302.exe

description	pid	process	target process
PID 2032 wrote to memory of 1368	2032	SOA 22011~2302.exe	powershell.exe
PID 2032 wrote to memory of 1368	2032	SOA 22011~2302.exe	powershell.exe
PID 2032 wrote to memory of 1368	2032	SOA 22011~2302.exe	powershell.exe
PID 2032 wrote to memory of 1368	2032	SOA 22011~2302.exe	powershell.exe
PID 2032 wrote to memory of 1764	2032	SOA 22011~2302.exe	schtasks.exe
PID 2032 wrote to memory of 1764	2032	SOA 22011~2302.exe	schtasks.exe
PID 2032 wrote to memory of 1764	2032	SOA 22011~2302.exe	schtasks.exe
PID 2032 wrote to memory of 1764	2032	SOA 22011~2302.exe	schtasks.exe
PID 2032 wrote to memory of 1308	2032	SOA 22011~2302.exe	RegSvcs.exe
PID 2032 wrote to memory of 1308	2032	SOA 22011~2302.exe	RegSvcs.exe
PID 2032 wrote to memory of 1308	2032	SOA 22011~2302.exe	RegSvcs.exe
PID 2032 wrote to memory of 1308	2032	SOA 22011~2302.exe	RegSvcs.exe
PID 2032 wrote to memory of 1308	2032	SOA 22011~2302.exe	RegSvcs.exe
PID 2032 wrote to memory of 1308	2032	SOA 22011~2302.exe	RegSvcs.exe
PID 2032 wrote to memory of 1308	2032	SOA 22011~2302.exe	RegSvcs.exe
PID 2032 wrote to memory of 1308	2032	SOA 22011~2302.exe	RegSvcs.exe
PID 2032 wrote to memory of 1308	2032	SOA 22011~2302.exe	RegSvcs.exe
PID 2032 wrote to memory of 1308	2032	SOA 22011~2302.exe	RegSvcs.exe
PID 2032 wrote to memory of 1308	2032	SOA 22011~2302.exe	RegSvcs.exe
PID 2032 wrote to memory of 1308	2032	SOA 22011~2302.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SOA 22011~2302.exe
"C:\Users\Admin\AppData\Local\Temp\SOA 22011~2302.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BJPQnFaVXUr.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1368

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BJPQnFaVXUr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6DE.tmp"
2⤵
- Creates scheduled task(s)
PID:1764

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1308

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF6DE.tmp
Filesize
1KB

MD5
129f24f969f369c8d767833c81380841

SHA1
74f3367a1dffbb77ba2f88a03b3eb60ecce8d092

SHA256
68e4abe59c4d66b09a8ffbc4817dcd75db6c1a57f70e97a4bcb0bdeff67d331a

SHA512
f4fc6cd30d9af82c51fdcf1be8ba06fd58d234816073f4381831d5a8e4e46f3ac675718ba9dc7ddb18fea01cb838692efb3a30857870fff544b58a5f78b40f4e

Download Submit
memory/1308-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1308-74-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1308-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1308-79-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1308-77-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1308-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1308-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1308-72-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1308-81-0x0000000004DD0000-0x0000000004E10000-memory.dmp

Filesize
256KB

Download
memory/1368-80-0x0000000002450000-0x0000000002490000-memory.dmp

Filesize
256KB

Download
memory/2032-57-0x0000000000EC0000-0x0000000000F00000-memory.dmp

Filesize
256KB

Download
memory/2032-66-0x0000000000D10000-0x0000000000D16000-memory.dmp

Filesize
24KB

Download
memory/2032-55-0x0000000000EC0000-0x0000000000F00000-memory.dmp

Filesize
256KB

Download
memory/2032-63-0x0000000000EC0000-0x0000000000F00000-memory.dmp

Filesize
256KB

Download
memory/2032-56-0x0000000000430000-0x0000000000444000-memory.dmp

Filesize
80KB

Download
memory/2032-54-0x00000000012B0000-0x0000000001352000-memory.dmp

Filesize
648KB

Download
memory/2032-59-0x0000000005410000-0x0000000005488000-memory.dmp

Filesize
480KB

Download
memory/2032-58-0x0000000000440000-0x000000000044C000-memory.dmp

Filesize
48KB

Download
memory/2032-67-0x0000000000F00000-0x0000000000F32000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads