agenttesla | 6c74ca9ce17decdf3ec659c61aae4b2835b4a829fb2a285d5b36e38b8f86a0b4

General

Target
nuovo_Ordine.exe
Size 472KB
Sample211006-k5llxabbdm
SHA256 6c74ca9ce17decdf3ec659c61aae4b2835b4a829fb2a285d5b36e38b8f86a0b4
MD5 ac6d529a73eadc9ed407bef4e5522ea9
SHA1 2b4d5a421414b32816cb5eb094d62bb351891cec
SHA512 a05d3740761b1bb0739b629500ab31cf6bf11b874940067c2467d29f3a4a40c363d5f3b8b76a67036e45fd6472ac5cd57699d432b0bb4b4c42f8cf8cf2153dbe
MD5 SHA1 SHA512

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
server240.web-hosting.com
Port
587
Username
[email protected]
Password
Success4sure2day10@

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral2/memory/1052-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1052-127-0x0000000000437A4E-mapping.dmp	family_agenttesla
behavioral2/memory/1052-132-0x0000000005790000-0x0000000005C8E000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Drops file in Drivers directory 1 IoCs

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

Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	nuovo_Ordine.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	nuovo_Ordine.exe

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	nuovo_Ordine.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0	nuovo_Ordine.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2492 set thread context of 1052	2492	nuovo_Ordine.exe	74

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
332	schtasks.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

pid	Process
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
2492	nuovo_Ordine.exe
1052	nuovo_Ordine.exe
1052	nuovo_Ordine.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	nuovo_Ordine.exe
Token: SeDebugPrivilege	1052	nuovo_Ordine.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 332	2492	nuovo_Ordine.exe	73
PID 2492 wrote to memory of 332	2492	nuovo_Ordine.exe	73
PID 2492 wrote to memory of 332	2492	nuovo_Ordine.exe	73
PID 2492 wrote to memory of 1052	2492	nuovo_Ordine.exe	74
PID 2492 wrote to memory of 1052	2492	nuovo_Ordine.exe	74
PID 2492 wrote to memory of 1052	2492	nuovo_Ordine.exe	74
PID 2492 wrote to memory of 1052	2492	nuovo_Ordine.exe	74
PID 2492 wrote to memory of 1052	2492	nuovo_Ordine.exe	74
PID 2492 wrote to memory of 1052	2492	nuovo_Ordine.exe	74
PID 2492 wrote to memory of 1052	2492	nuovo_Ordine.exe	74
PID 2492 wrote to memory of 1052	2492	nuovo_Ordine.exe	74

C:\Users\Admin\AppData\Local\Temp\nuovo_Ordine.exe
"C:\Users\Admin\AppData\Local\Temp\nuovo_Ordine.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rRIWxeQek" /XML "C:\Users\Admin\AppData\Local\Temp\tmp120D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:332
- C:\Users\Admin\AppData\Local\Temp\nuovo_Ordine.exe
  "C:\Users\Admin\AppData\Local\Temp\nuovo_Ordine.exe"
  2⤵
  - Drops file in Drivers directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1052