agenttesla | 7558e973bff2426aca4278e62668478f8afc5fb5afcc5e0f77bbdbd733b84ac8

General

Target

INVOICE.exe
Size

676KB
MD5

458d13e193d1def40ff8862d04ee3839
SHA1

2441106df18080573cd0691f86c254e4e0a6193e
SHA256

ddc5d1c80b07a16ba4a2d8d289dcfccaa1c2f25a525d96f223be8c8eedf9e9e6
SHA512

c72ace9e6a680f087715a1727cf89e4dc5e490b697d238681662a3f0bb0df0a0184ab92c469b6aaa6fb29ba8871eb69620fa98cb3c27cddfb76b20f8a56df0c1
SSDEEP

12288:57jia5WBDPVjYEeDxwq0BbIH+pKgzRltb2WupXMPj1pFSKgBqKTcmYkV+/1PLfWN:BGB7VjYHDxl8b+MKoRrKpXiJpFSKgBqi

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.ipr-co.org
Port:
587
Username:
[email protected]
Password:
IPRco@100102@

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ipr-co.org
Port:
587
Username:
[email protected]
Password:
IPRco@100102@
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1392-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1392-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3872-8-0x0000000005050000-0x000000000505C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1392-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1392-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1392-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1392-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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 2 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
Suspicious use of SetThreadContext 1 IoCs

Processes:

INVOICE.exe

description pid process target process

PID 3872 set thread context of 1392 3872 INVOICE.exe INVOICE.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

INVOICE.exe

pid process

1392 INVOICE.exe
1392 INVOICE.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

INVOICE.exe

description pid process

Token: SeDebugPrivilege 1392 INVOICE.exe

description	pid	process	target process
PID 3872 set thread context of 1392	3872	INVOICE.exe	INVOICE.exe

pid	process
1392	INVOICE.exe
1392	INVOICE.exe

description	pid	process
Token: SeDebugPrivilege	1392	INVOICE.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

INVOICE.exe

description	pid	process	target process
PID 3872 wrote to memory of 1392	3872	INVOICE.exe	INVOICE.exe
PID 3872 wrote to memory of 1392	3872	INVOICE.exe	INVOICE.exe
PID 3872 wrote to memory of 1392	3872	INVOICE.exe	INVOICE.exe
PID 3872 wrote to memory of 1392	3872	INVOICE.exe	INVOICE.exe
PID 3872 wrote to memory of 1392	3872	INVOICE.exe	INVOICE.exe
PID 3872 wrote to memory of 1392	3872	INVOICE.exe	INVOICE.exe
PID 3872 wrote to memory of 1392	3872	INVOICE.exe	INVOICE.exe
PID 3872 wrote to memory of 1392	3872	INVOICE.exe	INVOICE.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3872

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\INVOICE.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1392-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1392-18-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/1392-17-0x0000000006550000-0x00000000065A0000-memory.dmp

Filesize
320KB

Download
memory/1392-16-0x0000000005680000-0x00000000056E6000-memory.dmp

Filesize
408KB

Download
memory/1392-15-0x0000000005670000-0x0000000005680000-memory.dmp

Filesize
64KB

Download
memory/1392-13-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/3872-4-0x0000000007AC0000-0x0000000007AD0000-memory.dmp

Filesize
64KB

Download
memory/3872-8-0x0000000005050000-0x000000000505C000-memory.dmp

Filesize
48KB

Download
memory/3872-9-0x000000000A750000-0x000000000A7D2000-memory.dmp

Filesize
520KB

Download
memory/3872-7-0x0000000005020000-0x0000000005032000-memory.dmp

Filesize
72KB

Download
memory/3872-6-0x0000000007DB0000-0x0000000007E4C000-memory.dmp

Filesize
624KB

Download
memory/3872-5-0x0000000007CB0000-0x0000000007CBA000-memory.dmp

Filesize
40KB

Download
memory/3872-14-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/3872-0-0x0000000000BA0000-0x0000000000C4E000-memory.dmp

Filesize
696KB

Download
memory/3872-3-0x0000000007B10000-0x0000000007BA2000-memory.dmp

Filesize
584KB

Download
memory/3872-2-0x0000000008020000-0x00000000085C4000-memory.dmp

Filesize
5.6MB

Download
memory/3872-1-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads