agenttesla | d43d73de0937150cc384283fe5f3a0899c5c0a9e9461d60cb9f18b193554c26a

General

Target
11195-Longxingchem.scr
Size 527KB
Sample201109-53z326mlm2
SHA256 d43d73de0937150cc384283fe5f3a0899c5c0a9e9461d60cb9f18b193554c26a
MD5 a8c56fc7b07060bae58641ef1fce3196
SHA1 4cc60f7dd453b6a3e8046ede85c50595068258c6
SHA512 4cda505e2c45659a453b6683a2c31e38c2dca30f1e77d6f8223fd09ae602f8ae8364b17b9eef5ce4fb72b218e0e76132317851d91240311e420a655645eda679
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.nsmelectronics.com
Port
587
Username
[email protected]
Password
vKwp01%6

Signatures

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

AgentTesla Payload 13 IoCs

resource	yara_rule
behavioral2/memory/3796-7-0x000000000044C83E-mapping.dmp	family_agenttesla
behavioral2/memory/3796-6-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral2/memory/3796-17-0x000000000044C83E-mapping.dmp	family_agenttesla
behavioral2/memory/3796-18-0x000000000044C83E-mapping.dmp	family_agenttesla
behavioral2/memory/3796-19-0x000000000044C83E-mapping.dmp	family_agenttesla
behavioral2/memory/3796-20-0x000000000044C83E-mapping.dmp	family_agenttesla
behavioral2/memory/3796-22-0x000000000044C83E-mapping.dmp	family_agenttesla
behavioral2/memory/3796-21-0x000000000044C83E-mapping.dmp	family_agenttesla
behavioral2/memory/3796-24-0x000000000044C83E-mapping.dmp	family_agenttesla
behavioral2/memory/3796-23-0x000000000044C83E-mapping.dmp	family_agenttesla
behavioral2/memory/3796-26-0x000000000044C83E-mapping.dmp	family_agenttesla
behavioral2/memory/3796-25-0x000000000044C83E-mapping.dmp	family_agenttesla
behavioral2/memory/3796-27-0x000000000044C83E-mapping.dmp	family_agenttesla

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\UvWxd = "C:\\EWYCRADZ\\UvWxdl\\UvWxdlSNF.vbs"	11195-Longxingchem.scr

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	11195-Longxingchem.scr
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0	11195-Longxingchem.scr

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3160 set thread context of 3796	3160	11195-Longxingchem.scr	78

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3900	3796	WerFault.exe	78

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3796	InstallUtil.exe
3796	InstallUtil.exe
3900	WerFault.exe
3900	WerFault.exe
3900	WerFault.exe
3900	WerFault.exe
3900	WerFault.exe
3900	WerFault.exe
3900	WerFault.exe
3900	WerFault.exe
3900	WerFault.exe
3900	WerFault.exe
3900	WerFault.exe
3900	WerFault.exe
3900	WerFault.exe
3900	WerFault.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3160	11195-Longxingchem.scr

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3796	InstallUtil.exe
Token: SeRestorePrivilege	3900	WerFault.exe
Token: SeBackupPrivilege	3900	WerFault.exe
Token: SeDebugPrivilege	3900	WerFault.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 3796	3160	11195-Longxingchem.scr	78
PID 3160 wrote to memory of 3796	3160	11195-Longxingchem.scr	78
PID 3160 wrote to memory of 3796	3160	11195-Longxingchem.scr	78
PID 3160 wrote to memory of 3796	3160	11195-Longxingchem.scr	78
PID 3796 wrote to memory of 1340	3796	InstallUtil.exe	79
PID 3796 wrote to memory of 1340	3796	InstallUtil.exe	79
PID 3796 wrote to memory of 1340	3796	InstallUtil.exe	79

C:\Users\Admin\AppData\Local\Temp\11195-Longxingchem.scr
"C:\Users\Admin\AppData\Local\Temp\11195-Longxingchem.scr" /S
1⤵
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3160
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\InstallUtil.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3796
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:1340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 1488
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3900

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

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3160-1-0x00000000005E0000-0x00000000005E1000-memory.dmp

Download

memory/3160-3-0x0000000004FA0000-0x000000000500F000-memory.dmp

Download

memory/3160-4-0x0000000005010000-0x0000000005063000-memory.dmp

Download

memory/3160-5-0x0000000005570000-0x0000000005571000-memory.dmp

Download

memory/3160-0-0x00000000733D0000-0x0000000073ABE000-memory.dmp

Download

memory/3796-12-0x0000000005950000-0x0000000005951000-memory.dmp

Download

memory/3796-13-0x0000000005930000-0x0000000005931000-memory.dmp

Download

memory/3796-14-0x00000000064E0000-0x00000000064E1000-memory.dmp

Download

memory/3796-6-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/3796-8-0x00000000733D0000-0x0000000073ABE000-memory.dmp

Download

memory/3900-16-0x0000000004B30000-0x0000000004B31000-memory.dmp

Download

memory/3900-29-0x00000000053E0000-0x00000000053E1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads