agenttesla | 1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0

General

Target

1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe
Size

703KB
MD5

3458b598e642d199e9ad6fbc1551fa89
SHA1

f3631a63f11d9f9356a92d28f92f41cb8152ca15
SHA256

1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0
SHA512

f5c1db4c3dc115fd1591755cb9ac893b1992ef43b594791e04af77b1a557d990e45316cf3a203b3437d1418172c1d306182f4eff2072ec94fd92ce1adb553957
SSDEEP

12288:9+N1mflQ2RQu0A+jlsu9eYgBD9A2LsU/oOkmNPKatSrLsJc1mZORGYWoUws9tyOs:46f62RQtCu9eBDKU/oOhNSxn3m1Vo9s0

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6678522004:AAFCzMcx9PFLt4zQrKaDiOluS83dl0_buKM/

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

resource	yara_rule
behavioral2/memory/1772-5-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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

resource	yara_rule
behavioral2/memory/1772-5-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

resource	yara_rule
behavioral2/memory/2868-3-0x000001CA731E0000-0x000001CA73276000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

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

resource	yara_rule
behavioral2/memory/1772-5-0x0000000000400000-0x0000000000440000-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

resource	yara_rule
behavioral2/memory/1772-5-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

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

resource	yara_rule
behavioral2/memory/1772-5-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

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

resource	yara_rule
behavioral2/memory/1772-5-0x0000000000400000-0x0000000000440000-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

description	pid	Process	procid_target
PID 2868 set thread context of 1772	2868	1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1772	regasm.exe
1772	regasm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2868	1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe
Token: SeDebugPrivilege	1772	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 1772	2868	1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe	89
PID 2868 wrote to memory of 1772	2868	1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe	89
PID 2868 wrote to memory of 1772	2868	1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe	89
PID 2868 wrote to memory of 1772	2868	1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe	89
PID 2868 wrote to memory of 1772	2868	1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe	89
PID 2868 wrote to memory of 1772	2868	1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe	89
PID 2868 wrote to memory of 1772	2868	1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe	89
PID 2868 wrote to memory of 1772	2868	1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe	89
PID 2868 wrote to memory of 1680	2868	1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe	90
PID 2868 wrote to memory of 1680	2868	1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe	90
PID 2868 wrote to memory of 1680	2868	1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe	90

C:\Users\Admin\AppData\Local\Temp\1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe
"C:\Users\Admin\AppData\Local\Temp\1832dc16dee987814a0e1386d9a9a36b4e377e71f5add931fa09b2bb147f09f0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2868
- 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:1772
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:1680

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

Loading Replay Monitor...

Downloads

memory/1772-12-0x0000000005DF0000-0x0000000005E82000-memory.dmp

Filesize
584KB

Download
memory/1772-11-0x0000000005D00000-0x0000000005D50000-memory.dmp

Filesize
320KB

Download
memory/1772-15-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/1772-14-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/1772-6-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/1772-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1772-13-0x0000000005D80000-0x0000000005D8A000-memory.dmp

Filesize
40KB

Download
memory/1772-9-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/1772-8-0x0000000004F70000-0x0000000004FD6000-memory.dmp

Filesize
408KB

Download
memory/1772-7-0x0000000005300000-0x00000000058A4000-memory.dmp

Filesize
5.6MB

Download
memory/2868-4-0x00007FFA559B0000-0x00007FFA56471000-memory.dmp

Filesize
10.8MB

Download
memory/2868-10-0x00007FFA559B0000-0x00007FFA56471000-memory.dmp

Filesize
10.8MB

Download
memory/2868-0-0x000001CA58D70000-0x000001CA58D92000-memory.dmp

Filesize
136KB

Download
memory/2868-1-0x00007FFA559B3000-0x00007FFA559B5000-memory.dmp

Filesize
8KB

Download
memory/2868-3-0x000001CA731E0000-0x000001CA73276000-memory.dmp

Filesize
600KB

Download
memory/2868-2-0x000001CA73100000-0x000001CA73122000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing