agenttesla | 0fef960ffcfff1054c86a8972e70e39bfb3dd027111375db011d7583c2175ed8

General

Target

invoice.exe
Size

973KB
MD5

86f1eb5561c5b8fe00a8d326e0db454f
SHA1

925975a2a419e1a41f8655547f5c63804a040fc4
SHA256

0fef960ffcfff1054c86a8972e70e39bfb3dd027111375db011d7583c2175ed8
SHA512

f2a9859b8d21af570e04f1252f0167b38b032ba789df96e882c050e027f92c9165d2038f6b5c471d8f7423e1dcf00d49b30c66b2eaec1b42527129b46d749965
SSDEEP

12288:NhLuyAH0u8kw/YAo1JcOqlGwJ+0syBfptO578+X58aR7LmkGAz:NhLuyy31E3lG0jTS78+XSahI

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.pisc.lk
Port:
587
Username:
sales@pisc.lk
Password:
PIsafeTY2021

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe
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:

invoice.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation invoice.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	invoice.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

invoice.exe

description pid process target process

PID 1064 set thread context of 5100 1064 invoice.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

2372 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

invoice.exepowershell.exeRegSvcs.exe

pid process

1064 invoice.exe
1064 invoice.exe
2384 powershell.exe
5100 RegSvcs.exe
5100 RegSvcs.exe
2384 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

invoice.exepowershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1064 invoice.exe
Token: SeDebugPrivilege 2384 powershell.exe
Token: SeDebugPrivilege 5100 RegSvcs.exe

description	pid	process	target process
PID 1064 set thread context of 5100	1064	invoice.exe	RegSvcs.exe

pid	process
2372	schtasks.exe

pid	process
1064	invoice.exe
1064	invoice.exe
2384	powershell.exe
5100	RegSvcs.exe
5100	RegSvcs.exe
2384	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1064	invoice.exe
Token: SeDebugPrivilege	2384	powershell.exe
Token: SeDebugPrivilege	5100	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

invoice.exe

description	pid	process	target process
PID 1064 wrote to memory of 2384	1064	invoice.exe	powershell.exe
PID 1064 wrote to memory of 2384	1064	invoice.exe	powershell.exe
PID 1064 wrote to memory of 2384	1064	invoice.exe	powershell.exe
PID 1064 wrote to memory of 2372	1064	invoice.exe	schtasks.exe
PID 1064 wrote to memory of 2372	1064	invoice.exe	schtasks.exe
PID 1064 wrote to memory of 2372	1064	invoice.exe	schtasks.exe
PID 1064 wrote to memory of 5100	1064	invoice.exe	RegSvcs.exe
PID 1064 wrote to memory of 5100	1064	invoice.exe	RegSvcs.exe
PID 1064 wrote to memory of 5100	1064	invoice.exe	RegSvcs.exe
PID 1064 wrote to memory of 5100	1064	invoice.exe	RegSvcs.exe
PID 1064 wrote to memory of 5100	1064	invoice.exe	RegSvcs.exe
PID 1064 wrote to memory of 5100	1064	invoice.exe	RegSvcs.exe
PID 1064 wrote to memory of 5100	1064	invoice.exe	RegSvcs.exe
PID 1064 wrote to memory of 5100	1064	invoice.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\invoice.exe
"C:\Users\Admin\AppData\Local\Temp\invoice.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NPTAInjkiztPV.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2384

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NPTAInjkiztPV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA41F.tmp"
2⤵
- Creates scheduled task(s)
PID:2372

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5100

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA41F.tmp
Filesize
1KB

MD5
1403fd324e11a945fd73b0b9666c6e6f

SHA1
2c589abd14cdb9873b92f6ffc79bfe60e5e4ed68

SHA256
fe9d91fdbc8b079b9699c8303d4ce4e240116cf533b80799868e37554fc3a6ef

SHA512
a15f71c94ac032dfcad9040e44ca41fb25d0940004f5fc85e92d5d18b51fa03affe5b6bd9805a74673f3a24d4c12ee4c4084539827d57ae8725eff4ab5ba9af2

Download Submit
memory/1064-133-0x0000000005A80000-0x0000000006024000-memory.dmp

Filesize
5.6MB

Download
memory/1064-134-0x00000000053A0000-0x0000000005432000-memory.dmp

Filesize
584KB

Download
memory/1064-135-0x00000000059C0000-0x00000000059CA000-memory.dmp

Filesize
40KB

Download
memory/1064-136-0x00000000096B0000-0x000000000974C000-memory.dmp

Filesize
624KB

Download
memory/1064-137-0x00000000099C0000-0x0000000009A26000-memory.dmp

Filesize
408KB

Download
memory/1064-132-0x0000000000920000-0x0000000000A1A000-memory.dmp

Filesize
1000KB

Download
memory/2372-139-0x0000000000000000-mapping.dmp

Download
memory/2384-150-0x0000000006CD0000-0x0000000006CEE000-memory.dmp

Filesize
120KB

Download
memory/2384-149-0x0000000070C60000-0x0000000070CAC000-memory.dmp

Filesize
304KB

Download
memory/2384-142-0x0000000005920000-0x0000000005F48000-memory.dmp

Filesize
6.2MB

Download
memory/2384-158-0x0000000007D30000-0x0000000007D38000-memory.dmp

Filesize
32KB

Download
memory/2384-157-0x0000000007D50000-0x0000000007D6A000-memory.dmp

Filesize
104KB

Download
memory/2384-145-0x0000000005640000-0x0000000005662000-memory.dmp

Filesize
136KB

Download
memory/2384-146-0x0000000006050000-0x00000000060B6000-memory.dmp

Filesize
408KB

Download
memory/2384-147-0x0000000006710000-0x000000000672E000-memory.dmp

Filesize
120KB

Download
memory/2384-148-0x00000000076B0000-0x00000000076E2000-memory.dmp

Filesize
200KB

Download
memory/2384-140-0x0000000002DE0000-0x0000000002E16000-memory.dmp

Filesize
216KB

Download
memory/2384-138-0x0000000000000000-mapping.dmp

Download
memory/2384-151-0x0000000008050000-0x00000000086CA000-memory.dmp

Filesize
6.5MB

Download
memory/2384-152-0x0000000007A10000-0x0000000007A2A000-memory.dmp

Filesize
104KB

Download
memory/2384-153-0x0000000007A80000-0x0000000007A8A000-memory.dmp

Filesize
40KB

Download
memory/2384-156-0x0000000007C40000-0x0000000007C4E000-memory.dmp

Filesize
56KB

Download
memory/2384-155-0x0000000007C90000-0x0000000007D26000-memory.dmp

Filesize
600KB

Download
memory/5100-154-0x0000000006560000-0x00000000065B0000-memory.dmp

Filesize
320KB

Download
memory/5100-144-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/5100-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads