agenttesla | 8d2bc8b215b2e9e25600bd55fcd1652bb884926e08ecabf1192fc3fcb0c3ae20

General

Target

INVOICEexeexeexe.exe
Size

504KB
MD5

f6d1fe298909420346199684c4b5a455
SHA1

765adafd25a913738901f26de9c48f0beac81ea9
SHA256

8d2bc8b215b2e9e25600bd55fcd1652bb884926e08ecabf1192fc3fcb0c3ae20
SHA512

774172597cc3fda1e6df0c25a0e95deda28f780e13bbbee9694231bf5327535058fa74442eee950a3852cfd1389b0bb2d2d9ef1f4c78ae73e3e02752342a61b8
SSDEEP

12288:uqtlu96FG24mhC7K+PGacM4oscx1z80Z9v:SBQC7K+Oan8W9v

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.experthvac.ro
Port:
21
Username:
[email protected]
Password:
-8{jszMOY*Z8(~Za0#jyP%o7VoB.0)kk^)7_

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
T1081
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
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICEexeexeexe.exe
Key opened	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICEexeexeexe.exe
Key opened	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICEexeexeexe.exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{F072B60F-9146-4FE4-A321-605EB72CF531}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{872B9BD1-E2B4-4ADA-93C6-319DFA9AF8D6}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{C073CA2B-D93C-400C-A1D9-07F26A8B5176}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{69D4E23C-C0CD-4F7F-96C1-0688493A3601}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{8A656E90-2688-4F10-B211-D492D3486478}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{21C41C14-36AA-428C-B502-52C3B5A89350}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{59463A99-0D86-4F31-8B3D-39076A7D53B7}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{098DCF43-67B8-4B82-BD3A-BC8494DF0F10}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2056 set thread context of 2888	2056	INVOICEexeexeexe.exe	87

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2056	INVOICEexeexeexe.exe
2056	INVOICEexeexeexe.exe
2056	INVOICEexeexeexe.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	INVOICEexeexeexe.exe
Token: SeDebugPrivilege	2888	INVOICEexeexeexe.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2888	2056	INVOICEexeexeexe.exe	87
PID 2056 wrote to memory of 2888	2056	INVOICEexeexeexe.exe	87
PID 2056 wrote to memory of 2888	2056	INVOICEexeexeexe.exe	87
PID 2056 wrote to memory of 2888	2056	INVOICEexeexeexe.exe	87
PID 2056 wrote to memory of 2888	2056	INVOICEexeexeexe.exe	87
PID 2056 wrote to memory of 2888	2056	INVOICEexeexeexe.exe	87
PID 2056 wrote to memory of 2888	2056	INVOICEexeexeexe.exe	87
PID 2056 wrote to memory of 2888	2056	INVOICEexeexeexe.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICEexeexeexe.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICEexeexeexe.exe

C:\Users\Admin\AppData\Local\Temp\INVOICEexeexeexe.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICEexeexeexe.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Users\Admin\AppData\Local\Temp\INVOICEexeexeexe.exe
  "C:\Users\Admin\AppData\Local\Temp\INVOICEexeexeexe.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2888

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
PID:5036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

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\INVOICEexeexeexe.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
memory/2056-141-0x00000000008C0000-0x00000000008D0000-memory.dmp

Filesize
64KB

Download
memory/2056-133-0x00000000001A0000-0x0000000000224000-memory.dmp

Filesize
528KB

Download
memory/2056-136-0x0000000004B00000-0x0000000004B9C000-memory.dmp

Filesize
624KB

Download
memory/2056-137-0x00000000008C0000-0x00000000008D0000-memory.dmp

Filesize
64KB

Download
memory/2056-138-0x0000000004A00000-0x0000000004A0A000-memory.dmp

Filesize
40KB

Download
memory/2056-139-0x00000000008C0000-0x00000000008D0000-memory.dmp

Filesize
64KB

Download
memory/2056-135-0x0000000004A60000-0x0000000004AF2000-memory.dmp

Filesize
584KB

Download
memory/2056-134-0x0000000005170000-0x0000000005714000-memory.dmp

Filesize
5.6MB

Download
memory/2056-140-0x00000000008C0000-0x00000000008D0000-memory.dmp

Filesize
64KB

Download
memory/2888-145-0x00000000050F0000-0x0000000005156000-memory.dmp

Filesize
408KB

Download
memory/2888-142-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2888-146-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/2888-147-0x00000000064B0000-0x0000000006500000-memory.dmp

Filesize
320KB

Download
memory/2888-148-0x00000000067E0000-0x00000000069A2000-memory.dmp

Filesize
1.8MB

Download
memory/2888-149-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download

Analysis

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