agenttesla | 93cca2ba4ea093c17f9ec9f3997efa43be301489f8f3a99465e6017dd74aa7a0

General

Target

3L2hNTBCtArFvSA.exe
Size

959KB
MD5

d8462cbddfb5bd7789d37437e89ed852
SHA1

d71607e8d65e4b5d0af96dfce670c9ec42a8724f
SHA256

93cca2ba4ea093c17f9ec9f3997efa43be301489f8f3a99465e6017dd74aa7a0
SHA512

0028a8a6cc36ec9bab5222bd9fdab29aa127f520e1833768fff527b15bbf143997520707bc41fe6a47c8dcd0005e23676326cf922994c080b039e10a686bf8ac

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yatchbabara.com
Port:
587
Username:
[email protected]
Password:
j$Mk$NE7

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3176-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3176-13-0x00000000004375DE-mapping.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3L2hNTBCtArFvSA.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\UTCCf = "C:\\Users\\Admin\\AppData\\Roaming\\UTCCf\\UTCCf.exe"	3L2hNTBCtArFvSA.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3L2hNTBCtArFvSA.exe

description pid process target process

PID 4092 set thread context of 3176 4092 3L2hNTBCtArFvSA.exe 3L2hNTBCtArFvSA.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

3L2hNTBCtArFvSA.exe3L2hNTBCtArFvSA.exe

pid process

4092 3L2hNTBCtArFvSA.exe
3176 3L2hNTBCtArFvSA.exe
3176 3L2hNTBCtArFvSA.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3L2hNTBCtArFvSA.exe3L2hNTBCtArFvSA.exe

description pid process

Token: SeDebugPrivilege 4092 3L2hNTBCtArFvSA.exe
Token: SeDebugPrivilege 3176 3L2hNTBCtArFvSA.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3L2hNTBCtArFvSA.exe

pid process

3176 3L2hNTBCtArFvSA.exe

description	pid	process	target process
PID 4092 set thread context of 3176	4092	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe

pid	process
4092	3L2hNTBCtArFvSA.exe
3176	3L2hNTBCtArFvSA.exe
3176	3L2hNTBCtArFvSA.exe

description	pid	process
Token: SeDebugPrivilege	4092	3L2hNTBCtArFvSA.exe
Token: SeDebugPrivilege	3176	3L2hNTBCtArFvSA.exe

pid	process
3176	3L2hNTBCtArFvSA.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

3L2hNTBCtArFvSA.exe

description	pid	process	target process
PID 4092 wrote to memory of 3176	4092	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 4092 wrote to memory of 3176	4092	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 4092 wrote to memory of 3176	4092	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 4092 wrote to memory of 3176	4092	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 4092 wrote to memory of 3176	4092	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 4092 wrote to memory of 3176	4092	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 4092 wrote to memory of 3176	4092	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 4092 wrote to memory of 3176	4092	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe

C:\Users\Admin\AppData\Local\Temp\3L2hNTBCtArFvSA.exe
"C:\Users\Admin\AppData\Local\Temp\3L2hNTBCtArFvSA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4092

C:\Users\Admin\AppData\Local\Temp\3L2hNTBCtArFvSA.exe
"{path}"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3176

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3L2hNTBCtArFvSA.exe.log
MD5
b4f7a6a57cb46d94b72410eb6a6d45a9

SHA1
69f3596ffa027202d391444b769ceea0ae14c5f7

SHA256
23994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b

SHA512
be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c

Download Submit
memory/3176-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3176-25-0x0000000004F21000-0x0000000004F22000-memory.dmp

Filesize
4KB

Download
memory/3176-22-0x0000000005B30000-0x0000000005B31000-memory.dmp

Filesize
4KB

Download
memory/3176-21-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

Filesize
4KB

Download
memory/3176-20-0x0000000004F20000-0x0000000004F21000-memory.dmp

Filesize
4KB

Download
memory/3176-15-0x00000000739A0000-0x000000007408E000-memory.dmp

Filesize
6.9MB

Download
memory/3176-13-0x00000000004375DE-mapping.dmp

Download
memory/4092-7-0x0000000007C40000-0x0000000007C41000-memory.dmp

Filesize
4KB

Download
memory/4092-11-0x0000000009990000-0x0000000009991000-memory.dmp

Filesize
4KB

Download
memory/4092-10-0x00000000050C0000-0x000000000511E000-memory.dmp

Filesize
376KB

Download
memory/4092-9-0x0000000007EB0000-0x0000000007EB1000-memory.dmp

Filesize
4KB

Download
memory/4092-8-0x0000000007E80000-0x0000000007E84000-memory.dmp

Filesize
16KB

Download
memory/4092-2-0x00000000739A0000-0x000000007408E000-memory.dmp

Filesize
6.9MB

Download
memory/4092-6-0x0000000007C70000-0x0000000007C71000-memory.dmp

Filesize
4KB

Download
memory/4092-5-0x00000000080D0000-0x00000000080D1000-memory.dmp

Filesize
4KB

Download
memory/4092-3-0x0000000000D40000-0x0000000000D41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads