agenttesla | d1c1e3948a60d00f55a9e6e9eaf68ab0b8a18480d863a5a568cccdeeb75162fa

General

Target
SecuriteInfo.com.FileRepMalware.28825.exe
Size 444KB
Sample201109-cefbv4mraj
SHA256 d1c1e3948a60d00f55a9e6e9eaf68ab0b8a18480d863a5a568cccdeeb75162fa
MD5 cd8329ebc5e6f55448637d31371ee97e
SHA1 5d340784a092f750a109cae25f65ee538504bc93
SHA512 3045ecb2dd05c4039160b74b9e31c84a79bba5e1754a6c31dc6d44a3d8bd000b5a5ad966b42f83a73aa293dd9d9a032f04815ad9fa800e63d598a436e2d6f7f8
MD5 SHA1 SHA512

Score

10^/10

agenttesla agilenet keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.okgrocer.co.za
Port
587
Username
[email protected]
Password
Theunis@123

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2032-23-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2032-24-0x000000000044CACE-mapping.dmp	family_agenttesla
behavioral1/memory/2032-26-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2032-27-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

pid	Process
1568	winservie.exe
2032	AddInProcess32.exe

Loads dropped DLL 2 IoCs

pid	Process
748	SecuriteInfo.com.FileRepMalware.28825.exe
1568	winservie.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral1/memory/748-3-0x00000000001F0000-0x00000000001FF000-memory.dmp	agile_net

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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\winservie = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\winservie.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1568 set thread context of 2032	1568	winservie.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
748	SecuriteInfo.com.FileRepMalware.28825.exe
748	SecuriteInfo.com.FileRepMalware.28825.exe
1568	winservie.exe
1568	winservie.exe
1568	winservie.exe
2032	AddInProcess32.exe
2032	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	748	SecuriteInfo.com.FileRepMalware.28825.exe
Token: SeDebugPrivilege	1568	winservie.exe
Token: SeDebugPrivilege	2032	AddInProcess32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2032	AddInProcess32.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 1132	748	SecuriteInfo.com.FileRepMalware.28825.exe	29
PID 748 wrote to memory of 1132	748	SecuriteInfo.com.FileRepMalware.28825.exe	29
PID 748 wrote to memory of 1132	748	SecuriteInfo.com.FileRepMalware.28825.exe	29
PID 748 wrote to memory of 1132	748	SecuriteInfo.com.FileRepMalware.28825.exe	29
PID 1132 wrote to memory of 1312	1132	cmd.exe	31
PID 1132 wrote to memory of 1312	1132	cmd.exe	31
PID 1132 wrote to memory of 1312	1132	cmd.exe	31
PID 1132 wrote to memory of 1312	1132	cmd.exe	31
PID 748 wrote to memory of 1568	748	SecuriteInfo.com.FileRepMalware.28825.exe	32
PID 748 wrote to memory of 1568	748	SecuriteInfo.com.FileRepMalware.28825.exe	32
PID 748 wrote to memory of 1568	748	SecuriteInfo.com.FileRepMalware.28825.exe	32
PID 748 wrote to memory of 1568	748	SecuriteInfo.com.FileRepMalware.28825.exe	32
PID 1568 wrote to memory of 2032	1568	winservie.exe	33
PID 1568 wrote to memory of 2032	1568	winservie.exe	33
PID 1568 wrote to memory of 2032	1568	winservie.exe	33
PID 1568 wrote to memory of 2032	1568	winservie.exe	33
PID 1568 wrote to memory of 2032	1568	winservie.exe	33
PID 1568 wrote to memory of 2032	1568	winservie.exe	33
PID 1568 wrote to memory of 2032	1568	winservie.exe	33
PID 1568 wrote to memory of 2032	1568	winservie.exe	33
PID 1568 wrote to memory of 2032	1568	winservie.exe	33
PID 2032 wrote to memory of 1528	2032	AddInProcess32.exe	35
PID 2032 wrote to memory of 1528	2032	AddInProcess32.exe	35
PID 2032 wrote to memory of 1528	2032	AddInProcess32.exe	35
PID 2032 wrote to memory of 1528	2032	AddInProcess32.exe	35

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.FileRepMalware.28825.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.FileRepMalware.28825.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v winservie /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\winservie.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1132
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v winservie /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\winservie.exe"
    3⤵
    - Adds Run key to start application
    PID:1312
- C:\Users\Admin\AppData\Roaming\winservie.exe
  "C:\Users\Admin\AppData\Roaming\winservie.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1568
- - C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
    "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2032
  - - C:\Windows\SysWOW64\netsh.exe
      "netsh" wlan show profile
      4⤵
      PID:1528

Network

MITRE ATT&CK Enterprise 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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/748-4-0x0000000000200000-0x0000000000202000-memory.dmp

Download

memory/748-0-0x0000000074580000-0x0000000074C6E000-memory.dmp

Download

memory/748-6-0x00000000003C0000-0x00000000003C2000-memory.dmp

Download

memory/748-5-0x0000000000370000-0x0000000000372000-memory.dmp

Download

memory/748-3-0x00000000001F0000-0x00000000001FF000-memory.dmp

Download

memory/748-1-0x0000000001140000-0x0000000001141000-memory.dmp

Download

memory/1568-15-0x00000000010A0000-0x00000000010A1000-memory.dmp

Download

memory/1568-14-0x0000000074580000-0x0000000074C6E000-memory.dmp

Download

memory/2032-23-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/2032-26-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/2032-27-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/2032-29-0x0000000074500000-0x0000000074BEE000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads