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

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-1-5-21-2386679933-1492765628-3466841596-1000\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-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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-1-5-21-2386679933-1492765628-3466841596-1000\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

92 api.ipify.org
93 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

invoice.exe

description pid process target process

PID 1484 set thread context of 516 1484 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

4952 schtasks.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

invoice.exepowershell.exeRegSvcs.exe

pid process

1484 invoice.exe
1484 invoice.exe
1484 invoice.exe
1484 invoice.exe
3720 powershell.exe
3720 powershell.exe
516 RegSvcs.exe
516 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

invoice.exepowershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1484 invoice.exe
Token: SeDebugPrivilege 3720 powershell.exe
Token: SeDebugPrivilege 516 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

516 RegSvcs.exe

flow	ioc
92	api.ipify.org
93	api.ipify.org

description	pid	process	target process
PID 1484 set thread context of 516	1484	invoice.exe	RegSvcs.exe

pid	process
4952	schtasks.exe

pid	process
1484	invoice.exe
1484	invoice.exe
1484	invoice.exe
1484	invoice.exe
3720	powershell.exe
3720	powershell.exe
516	RegSvcs.exe
516	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1484	invoice.exe
Token: SeDebugPrivilege	3720	powershell.exe
Token: SeDebugPrivilege	516	RegSvcs.exe

pid	process
516	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

invoice.exe

description	pid	process	target process
PID 1484 wrote to memory of 3720	1484	invoice.exe	powershell.exe
PID 1484 wrote to memory of 3720	1484	invoice.exe	powershell.exe
PID 1484 wrote to memory of 3720	1484	invoice.exe	powershell.exe
PID 1484 wrote to memory of 4952	1484	invoice.exe	schtasks.exe
PID 1484 wrote to memory of 4952	1484	invoice.exe	schtasks.exe
PID 1484 wrote to memory of 4952	1484	invoice.exe	schtasks.exe
PID 1484 wrote to memory of 516	1484	invoice.exe	RegSvcs.exe
PID 1484 wrote to memory of 516	1484	invoice.exe	RegSvcs.exe
PID 1484 wrote to memory of 516	1484	invoice.exe	RegSvcs.exe
PID 1484 wrote to memory of 516	1484	invoice.exe	RegSvcs.exe
PID 1484 wrote to memory of 516	1484	invoice.exe	RegSvcs.exe
PID 1484 wrote to memory of 516	1484	invoice.exe	RegSvcs.exe
PID 1484 wrote to memory of 516	1484	invoice.exe	RegSvcs.exe
PID 1484 wrote to memory of 516	1484	invoice.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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-1-5-21-2386679933-1492765628-3466841596-1000\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:1484

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:3720

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\APnYJOITdLj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8901.tmp"
2⤵
- Creates scheduled task(s)
PID:4952

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:516

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8901.tmp

Filesize
1KB

MD5
d05a714492aa2d840409b3f03d6f7a33

SHA1
3dd4723b4725d4a47c4d401e18dc85a8a55c311b

SHA256
df981fec85387968fc43428ae0808040d657dfe12fc84d2a725d97f6b5633f0d

SHA512
bec34ba1369a367c53d37b9bda47f2897fb167afbd1b4c7375d3486702055e3d90208f5040c5b8853d92b15186324d91365155476e0e912fd8467ba73fa79b41

Download Submit
memory/516-142-0x0000000000000000-mapping.dmp

Download
memory/516-158-0x0000000006AD0000-0x0000000006B20000-memory.dmp

Filesize
320KB

Download
memory/516-143-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1484-133-0x0000000005150000-0x00000000056F4000-memory.dmp

Filesize
5.6MB

Download
memory/1484-134-0x0000000004C40000-0x0000000004CD2000-memory.dmp

Filesize
584KB

Download
memory/1484-135-0x0000000004DF0000-0x0000000004DFA000-memory.dmp

Filesize
40KB

Download
memory/1484-136-0x0000000000AA0000-0x0000000000B3C000-memory.dmp

Filesize
624KB

Download
memory/1484-132-0x0000000000170000-0x000000000029A000-memory.dmp

Filesize
1.2MB

Download
memory/3720-150-0x0000000006DF0000-0x0000000006E0E000-memory.dmp

Filesize
120KB

Download
memory/3720-154-0x0000000007DD0000-0x0000000007E66000-memory.dmp

Filesize
600KB

Download
memory/3720-139-0x0000000002F30000-0x0000000002F66000-memory.dmp

Filesize
216KB

Download
memory/3720-144-0x0000000005990000-0x00000000059B2000-memory.dmp

Filesize
136KB

Download
memory/3720-145-0x0000000006190000-0x00000000061F6000-memory.dmp

Filesize
408KB

Download
memory/3720-146-0x0000000006200000-0x0000000006266000-memory.dmp

Filesize
408KB

Download
memory/3720-147-0x0000000006860000-0x000000000687E000-memory.dmp

Filesize
120KB

Download
memory/3720-148-0x0000000006E40000-0x0000000006E72000-memory.dmp

Filesize
200KB

Download
memory/3720-149-0x00000000704B0000-0x00000000704FC000-memory.dmp

Filesize
304KB

Download
memory/3720-137-0x0000000000000000-mapping.dmp

Download
memory/3720-151-0x00000000081C0000-0x000000000883A000-memory.dmp

Filesize
6.5MB

Download
memory/3720-152-0x0000000007B60000-0x0000000007B7A000-memory.dmp

Filesize
104KB

Download
memory/3720-153-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

Filesize
40KB

Download
memory/3720-141-0x00000000059F0000-0x0000000006018000-memory.dmp

Filesize
6.2MB

Download
memory/3720-155-0x0000000007DB0000-0x0000000007DBE000-memory.dmp

Filesize
56KB

Download
memory/3720-156-0x0000000007EB0000-0x0000000007ECA000-memory.dmp

Filesize
104KB

Download
memory/3720-157-0x0000000007E90000-0x0000000007E98000-memory.dmp

Filesize
32KB

Download
memory/4952-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads