agenttesla | c9cec3069cd9d21bf5ab0269b2b5ccc52d56e763cfe4c416906ab5b1c66782aa

General

Target

SWIFT.exe
Size

698KB
MD5

73444436aa2a69b9bb1b92a07476f612
SHA1

6984d9dc15660d5587b7d1c03c2b55884d1f7261
SHA256

ea815dc254189542fbf41ab0fd55823a66c8e5c71ad15f17737824e4a429c4db
SHA512

5b526970cae1e1591701ea139b47dc1a8900311e9e241171dde3d27b9449a15f79090490244bd92c15e488a523f9230d827eccb083e2802bb48a4dcb5f0a5511
SSDEEP

12288:TdIE/HK7z71Mbl4hRXdbQa1+vCP0EI5m8NEET50pYjTSm4MHPioG9wW9h/i:WX2blqHrCEloYj59

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.brimaq.com
Port:
587
Username:
[email protected]
Password:
brimaQ2012
Email To:
[email protected]

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/452-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SWIFT.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SWIFT.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SWIFT.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1592 set thread context of 452	1592	SWIFT.exe	103

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SWIFT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SWIFT.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1592	SWIFT.exe
1592	SWIFT.exe
1592	SWIFT.exe
1592	SWIFT.exe
452	SWIFT.exe
452	SWIFT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1592	SWIFT.exe
Token: SeDebugPrivilege	452	SWIFT.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 3204	1592	SWIFT.exe	101
PID 1592 wrote to memory of 3204	1592	SWIFT.exe	101
PID 1592 wrote to memory of 3204	1592	SWIFT.exe	101
PID 1592 wrote to memory of 1668	1592	SWIFT.exe	102
PID 1592 wrote to memory of 1668	1592	SWIFT.exe	102
PID 1592 wrote to memory of 1668	1592	SWIFT.exe	102
PID 1592 wrote to memory of 452	1592	SWIFT.exe	103
PID 1592 wrote to memory of 452	1592	SWIFT.exe	103
PID 1592 wrote to memory of 452	1592	SWIFT.exe	103
PID 1592 wrote to memory of 452	1592	SWIFT.exe	103
PID 1592 wrote to memory of 452	1592	SWIFT.exe	103
PID 1592 wrote to memory of 452	1592	SWIFT.exe	103
PID 1592 wrote to memory of 452	1592	SWIFT.exe	103
PID 1592 wrote to memory of 452	1592	SWIFT.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SWIFT.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SWIFT.exe

C:\Users\Admin\AppData\Local\Temp\SWIFT.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFT.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Users\Admin\AppData\Local\Temp\SWIFT.exe
  "C:\Users\Admin\AppData\Local\Temp\SWIFT.exe"
  2⤵
  PID:3204
- C:\Users\Admin\AppData\Local\Temp\SWIFT.exe
  "C:\Users\Admin\AppData\Local\Temp\SWIFT.exe"
  2⤵
  PID:1668
- C:\Users\Admin\AppData\Local\Temp\SWIFT.exe
  "C:\Users\Admin\AppData\Local\Temp\SWIFT.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SWIFT.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
memory/452-19-0x0000000006060000-0x00000000060C6000-memory.dmp

Filesize
408KB

Download
memory/452-15-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/452-24-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/452-23-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/452-22-0x0000000006760000-0x00000000067B0000-memory.dmp

Filesize
320KB

Download
memory/452-21-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/452-20-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/452-18-0x00000000053F0000-0x0000000005408000-memory.dmp

Filesize
96KB

Download
memory/452-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/452-17-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/1592-7-0x0000000005580000-0x0000000005596000-memory.dmp

Filesize
88KB

Download
memory/1592-9-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/1592-8-0x000000007530E000-0x000000007530F000-memory.dmp

Filesize
4KB

Download
memory/1592-2-0x0000000005A00000-0x0000000005FA4000-memory.dmp

Filesize
5.6MB

Download
memory/1592-16-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/1592-10-0x0000000006EA0000-0x0000000006F40000-memory.dmp

Filesize
640KB

Download
memory/1592-1-0x0000000000870000-0x0000000000924000-memory.dmp

Filesize
720KB

Download
memory/1592-0-0x000000007530E000-0x000000007530F000-memory.dmp

Filesize
4KB

Download
memory/1592-11-0x00000000094F0000-0x000000000952C000-memory.dmp

Filesize
240KB

Download
memory/1592-6-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/1592-5-0x0000000005310000-0x000000000531A000-memory.dmp

Filesize
40KB

Download
memory/1592-4-0x0000000005450000-0x00000000054EC000-memory.dmp

Filesize
624KB

Download
memory/1592-3-0x0000000005330000-0x00000000053C2000-memory.dmp

Filesize
584KB

Download

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