agenttesla | c018bc22c700a8f6e4100b843d3a96b2409d6c215e1062608fd73714236764fd

General

Target

invoice.exe
Size

1.1MB
MD5

f683d81b0a64bbd11cf5f21ec12da54c
SHA1

646df1c5b6d45e01e1e042ffe9e46f820ecc5b4c
SHA256

c018bc22c700a8f6e4100b843d3a96b2409d6c215e1062608fd73714236764fd
SHA512

8dc81a8a3df22fdacaf3baa5e8226de0087f9d7a80d9ffd4015b3407e3e534e03027d0b1a5960f25972b995c54ffd52780c9483bdb07cdde17e79a0b3578980c
SSDEEP

24576:PGIGAA2Jim+0u1zHoVXGkQgylZUcHfOVjqdOpd:eGJJhLu1rcGkKd4jqdO

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

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

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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\DnDcR = "C:\\Users\\Admin\\AppData\\Roaming\\DnDcR\\DnDcR.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

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

Processes:

invoice.exe

description pid process target process

PID 2028 set thread context of 1416 2028 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

860 schtasks.exe

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

description	pid	process	target process
PID 2028 set thread context of 1416	2028	invoice.exe	RegSvcs.exe

pid	process
860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

invoice.exepowershell.exeRegSvcs.exe

pid	process
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
2028	invoice.exe
1340	powershell.exe
1416	RegSvcs.exe
1416	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

invoice.exeRegSvcs.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2028 invoice.exe
Token: SeDebugPrivilege 1416 RegSvcs.exe
Token: SeDebugPrivilege 1340 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

1416 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2028	invoice.exe
Token: SeDebugPrivilege	1416	RegSvcs.exe
Token: SeDebugPrivilege	1340	powershell.exe

pid	process
1416	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

invoice.exe

description	pid	process	target process
PID 2028 wrote to memory of 1340	2028	invoice.exe	powershell.exe
PID 2028 wrote to memory of 1340	2028	invoice.exe	powershell.exe
PID 2028 wrote to memory of 1340	2028	invoice.exe	powershell.exe
PID 2028 wrote to memory of 1340	2028	invoice.exe	powershell.exe
PID 2028 wrote to memory of 860	2028	invoice.exe	schtasks.exe
PID 2028 wrote to memory of 860	2028	invoice.exe	schtasks.exe
PID 2028 wrote to memory of 860	2028	invoice.exe	schtasks.exe
PID 2028 wrote to memory of 860	2028	invoice.exe	schtasks.exe
PID 2028 wrote to memory of 1416	2028	invoice.exe	RegSvcs.exe
PID 2028 wrote to memory of 1416	2028	invoice.exe	RegSvcs.exe
PID 2028 wrote to memory of 1416	2028	invoice.exe	RegSvcs.exe
PID 2028 wrote to memory of 1416	2028	invoice.exe	RegSvcs.exe
PID 2028 wrote to memory of 1416	2028	invoice.exe	RegSvcs.exe
PID 2028 wrote to memory of 1416	2028	invoice.exe	RegSvcs.exe
PID 2028 wrote to memory of 1416	2028	invoice.exe	RegSvcs.exe
PID 2028 wrote to memory of 1416	2028	invoice.exe	RegSvcs.exe
PID 2028 wrote to memory of 1416	2028	invoice.exe	RegSvcs.exe
PID 2028 wrote to memory of 1416	2028	invoice.exe	RegSvcs.exe
PID 2028 wrote to memory of 1416	2028	invoice.exe	RegSvcs.exe
PID 2028 wrote to memory of 1416	2028	invoice.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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-1-5-21-3385717845-2518323428-350143044-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\APnYJOITdLj.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1340

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\APnYJOITdLj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA545.tmp"
2⤵
- Creates scheduled task(s)
PID:860

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1416

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA545.tmp

Filesize
1KB

MD5
a08611b381052dccd75e0b4170da05ad

SHA1
5cdaa8f7a96622e8551d24cc8cb374db20d9395c

SHA256
aacbf95cfb7b040a6feeb7f9b87a781a020fd70ff9b2edde27277b3207287cc4

SHA512
82198438c02a4c40ff71796c6f87e803963b0db60ab8af5cb0c3edbf9581ca778f9dccefe3b0eeb47d576d63026774b9041ae20d7e207af445ee498ccd508b7c

Download Submit
memory/860-60-0x0000000000000000-mapping.dmp

Download
memory/1340-59-0x0000000000000000-mapping.dmp

Download
memory/1340-77-0x000000006ED40000-0x000000006F2EB000-memory.dmp

Filesize
5.7MB

Download
memory/1340-76-0x000000006ED40000-0x000000006F2EB000-memory.dmp

Filesize
5.7MB

Download
memory/1416-74-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1416-72-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1416-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1416-70-0x0000000000437C1E-mapping.dmp

Download
memory/1416-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1416-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1416-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1416-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2028-58-0x0000000007F10000-0x0000000007FBC000-memory.dmp

Filesize
688KB

Download
memory/2028-63-0x0000000006020000-0x0000000006094000-memory.dmp

Filesize
464KB

Download
memory/2028-54-0x0000000000250000-0x000000000037A000-memory.dmp

Filesize
1.2MB

Download
memory/2028-57-0x00000000003C0000-0x00000000003CC000-memory.dmp

Filesize
48KB

Download
memory/2028-56-0x0000000000680000-0x0000000000698000-memory.dmp

Filesize
96KB

Download
memory/2028-55-0x0000000075511000-0x0000000075513000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads