agenttesla | ec4cdc6c30b24171ed2427be8b77ceab3700a362536121d840c5620b79127908

General

Target

nunu.exe
Size

507KB
MD5

c7fa443b722dd4bffcda58dbd6a8ad71
SHA1

d41111e463dfaa1c10a50f0a6a5d48fc8ae4f7e7
SHA256

a321481a5f943697829963ca1ebfafb6f4857ee1af0119daf7c9e274d4e756a0
SHA512

52e8a71c2214e5cde34a6ff055ee944bfc3d06f8dcb82b247a0d3ab02417bfb6a836457fb7de9e145de5be04a7805a1b61a197e0a48c92234de8e31c53ce12d2

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dtvcambodia.com
Port:
587
Username:
[email protected]
Password:
@DTVcambodia2017

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/4176-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4176-16-0x000000000043764E-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

nunu.exe

description pid process target process

PID 4636 set thread context of 4176 4636 nunu.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

nunu.exeRegSvcs.exe

pid process

4636 nunu.exe
4636 nunu.exe
4636 nunu.exe
4636 nunu.exe
4636 nunu.exe
4636 nunu.exe
4176 RegSvcs.exe
4176 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

nunu.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4636 nunu.exe
Token: SeDebugPrivilege 4176 RegSvcs.exe

description	pid	process	target process
PID 4636 set thread context of 4176	4636	nunu.exe	RegSvcs.exe

pid	process
4636	nunu.exe
4636	nunu.exe
4636	nunu.exe
4636	nunu.exe
4636	nunu.exe
4636	nunu.exe
4176	RegSvcs.exe
4176	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4636	nunu.exe
Token: SeDebugPrivilege	4176	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

nunu.exe

description	pid	process	target process
PID 4636 wrote to memory of 4160	4636	nunu.exe	RegSvcs.exe
PID 4636 wrote to memory of 4160	4636	nunu.exe	RegSvcs.exe
PID 4636 wrote to memory of 4160	4636	nunu.exe	RegSvcs.exe
PID 4636 wrote to memory of 4176	4636	nunu.exe	RegSvcs.exe
PID 4636 wrote to memory of 4176	4636	nunu.exe	RegSvcs.exe
PID 4636 wrote to memory of 4176	4636	nunu.exe	RegSvcs.exe
PID 4636 wrote to memory of 4176	4636	nunu.exe	RegSvcs.exe
PID 4636 wrote to memory of 4176	4636	nunu.exe	RegSvcs.exe
PID 4636 wrote to memory of 4176	4636	nunu.exe	RegSvcs.exe
PID 4636 wrote to memory of 4176	4636	nunu.exe	RegSvcs.exe
PID 4636 wrote to memory of 4176	4636	nunu.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\nunu.exe
"C:\Users\Admin\AppData\Local\Temp\nunu.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4636

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:4160

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4176

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

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4176-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4176-24-0x0000000005D40000-0x0000000005D41000-memory.dmp

Filesize
4KB

Download
memory/4176-23-0x0000000005CB0000-0x0000000005CB1000-memory.dmp

Filesize
4KB

Download
memory/4176-22-0x0000000005250000-0x0000000005251000-memory.dmp

Filesize
4KB

Download
memory/4176-17-0x0000000073D60000-0x000000007444E000-memory.dmp

Filesize
6.9MB

Download
memory/4176-16-0x000000000043764E-mapping.dmp

Download
memory/4636-7-0x0000000005280000-0x0000000005281000-memory.dmp

Filesize
4KB

Download
memory/4636-10-0x00000000054C0000-0x00000000054C1000-memory.dmp

Filesize
4KB

Download
memory/4636-11-0x00000000056B0000-0x00000000056B4000-memory.dmp

Filesize
16KB

Download
memory/4636-12-0x000000007FD00000-0x000000007FD01000-memory.dmp

Filesize
4KB

Download
memory/4636-13-0x0000000001220000-0x0000000001291000-memory.dmp

Filesize
452KB

Download
memory/4636-14-0x0000000000E40000-0x0000000000E7B000-memory.dmp

Filesize
236KB

Download
memory/4636-9-0x00000000053E0000-0x00000000053E1000-memory.dmp

Filesize
4KB

Download
memory/4636-8-0x00000000051C0000-0x00000000051C1000-memory.dmp

Filesize
4KB

Download
memory/4636-2-0x0000000073D60000-0x000000007444E000-memory.dmp

Filesize
6.9MB

Download
memory/4636-6-0x00000000056E0000-0x00000000056E1000-memory.dmp

Filesize
4KB

Download
memory/4636-5-0x0000000005120000-0x0000000005121000-memory.dmp

Filesize
4KB

Download
memory/4636-3-0x0000000000890000-0x0000000000891000-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