agenttesla | 5c5129fb75c6338317e77860ac1b31739dd72160d5c3f24e3e48e92324196cc4

General

Target

zNHdzFVZNFvIrv.exe
Size

185KB
MD5

327a06376dce413bf108947bd6707b18
SHA1

37e8f9310c342957b1cc2b6257962eea8e065567
SHA256

5c5129fb75c6338317e77860ac1b31739dd72160d5c3f24e3e48e92324196cc4
SHA512

9be8155857c7a3a3cea9567e3a7c5e87656c3f9240e5dcc269552829518919024ca2411dbd85a9926c264e2597b45ff7583d0b4829613c6390510aae46cb8546
SSDEEP

3072:6iu4ZVMK/uJlYT86knnt7i+KMj6GCqOXVSBvxgxd:m+HO2knntr6COABvxy

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7065540472:AAGCgWd34zCLUmYGAqhTqJZxzQOf9gQ2bpg/

Signatures

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

.NET Reactor proctector 10 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

Processes:

resource	yara_rule
behavioral1/memory/1280-3-0x00000000005C0000-0x00000000005E2000-memory.dmp	net_reactor
behavioral1/memory/1280-7-0x00000000005C0000-0x00000000005DC000-memory.dmp	net_reactor
behavioral1/memory/1280-4-0x00000000005C0000-0x00000000005DC000-memory.dmp	net_reactor
behavioral1/memory/1280-5-0x00000000005C0000-0x00000000005DC000-memory.dmp	net_reactor
behavioral1/memory/1280-19-0x00000000005C0000-0x00000000005DC000-memory.dmp	net_reactor
behavioral1/memory/1280-17-0x00000000005C0000-0x00000000005DC000-memory.dmp	net_reactor
behavioral1/memory/1280-15-0x00000000005C0000-0x00000000005DC000-memory.dmp	net_reactor
behavioral1/memory/1280-13-0x00000000005C0000-0x00000000005DC000-memory.dmp	net_reactor
behavioral1/memory/1280-11-0x00000000005C0000-0x00000000005DC000-memory.dmp	net_reactor
behavioral1/memory/1280-9-0x00000000005C0000-0x00000000005DC000-memory.dmp	net_reactor

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
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

7 api.ipify.org
8 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

zNHdzFVZNFvIrv.exe

description pid process target process

PID 1280 set thread context of 2552 1280 zNHdzFVZNFvIrv.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

2552 RegAsm.exe
2552 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

zNHdzFVZNFvIrv.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1280 zNHdzFVZNFvIrv.exe
Token: SeDebugPrivilege 2552 RegAsm.exe

flow	ioc
7	api.ipify.org
8	api.ipify.org

description	pid	process	target process
PID 1280 set thread context of 2552	1280	zNHdzFVZNFvIrv.exe	RegAsm.exe

pid	process
2552	RegAsm.exe
2552	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1280	zNHdzFVZNFvIrv.exe
Token: SeDebugPrivilege	2552	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

zNHdzFVZNFvIrv.exe

description	pid	process	target process
PID 1280 wrote to memory of 2552	1280	zNHdzFVZNFvIrv.exe	RegAsm.exe
PID 1280 wrote to memory of 2552	1280	zNHdzFVZNFvIrv.exe	RegAsm.exe
PID 1280 wrote to memory of 2552	1280	zNHdzFVZNFvIrv.exe	RegAsm.exe
PID 1280 wrote to memory of 2552	1280	zNHdzFVZNFvIrv.exe	RegAsm.exe
PID 1280 wrote to memory of 2552	1280	zNHdzFVZNFvIrv.exe	RegAsm.exe
PID 1280 wrote to memory of 2552	1280	zNHdzFVZNFvIrv.exe	RegAsm.exe
PID 1280 wrote to memory of 2552	1280	zNHdzFVZNFvIrv.exe	RegAsm.exe
PID 1280 wrote to memory of 2552	1280	zNHdzFVZNFvIrv.exe	RegAsm.exe
PID 1280 wrote to memory of 2552	1280	zNHdzFVZNFvIrv.exe	RegAsm.exe
PID 1280 wrote to memory of 2552	1280	zNHdzFVZNFvIrv.exe	RegAsm.exe
PID 1280 wrote to memory of 2552	1280	zNHdzFVZNFvIrv.exe	RegAsm.exe
PID 1280 wrote to memory of 2552	1280	zNHdzFVZNFvIrv.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\zNHdzFVZNFvIrv.exe
"C:\Users\Admin\AppData\Local\Temp\zNHdzFVZNFvIrv.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1280

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2552

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

Replay Monitor

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Downloads

memory/1280-13-0x00000000005C0000-0x00000000005DC000-memory.dmp

Filesize
112KB

Download
memory/1280-35-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

Filesize
9.9MB

Download
memory/1280-0-0x0000000000910000-0x0000000000944000-memory.dmp

Filesize
208KB

Download
memory/1280-3-0x00000000005C0000-0x00000000005E2000-memory.dmp

Filesize
136KB

Download
memory/1280-7-0x00000000005C0000-0x00000000005DC000-memory.dmp

Filesize
112KB

Download
memory/1280-4-0x00000000005C0000-0x00000000005DC000-memory.dmp

Filesize
112KB

Download
memory/1280-5-0x00000000005C0000-0x00000000005DC000-memory.dmp

Filesize
112KB

Download
memory/1280-19-0x00000000005C0000-0x00000000005DC000-memory.dmp

Filesize
112KB

Download
memory/1280-17-0x00000000005C0000-0x00000000005DC000-memory.dmp

Filesize
112KB

Download
memory/1280-9-0x00000000005C0000-0x00000000005DC000-memory.dmp

Filesize
112KB

Download
memory/1280-2-0x000000001AD50000-0x000000001ADD0000-memory.dmp

Filesize
512KB

Download
memory/1280-1-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

Filesize
9.9MB

Download
memory/1280-15-0x00000000005C0000-0x00000000005DC000-memory.dmp

Filesize
112KB

Download
memory/1280-20-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1280-11-0x00000000005C0000-0x00000000005DC000-memory.dmp

Filesize
112KB

Download
memory/2552-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2552-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2552-32-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2552-31-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2552-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2552-27-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2552-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2552-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

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