agenttesla | 0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9

General

Target

0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9.exe
Size

599KB
MD5

9b46500828b338eb4cda1d49bed1f791
SHA1

fe2f2d5e222765e585a61f80c33b061f643e7107
SHA256

0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9
SHA512

5a6e39f1064f7a1db77fe8aab9da039f9340630ecf1379ef28061d857908107ccc884389fdc064d13b5c80fabc417d5d4061a718465f0301e9494c8db109e918
SSDEEP

12288:AYV6MorX7qzuC3QHO9FQVHPF51jgcQxNAQ8d6dLOXsGdxpM8E:fBXu9HGaVHdkLO/LE

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

Signatures

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\outvaunts.vbs	outvaunts.exe

Executes dropped EXE 1 IoCs

pid	Process
4680	outvaunts.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
13	ip-api.com

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4956-14-0x0000000000AF0000-0x0000000000C49000-memory.dmp	autoit_exe
behavioral2/memory/4680-22-0x00000000014C0000-0x00000000018C0000-memory.dmp	autoit_exe
behavioral2/memory/4680-25-0x00000000008F0000-0x0000000000A49000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4680 set thread context of 4640	4680	outvaunts.exe	83

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4956-0-0x0000000000AF0000-0x0000000000C49000-memory.dmp	upx
behavioral2/files/0x0007000000023c9c-10.dat	upx
behavioral2/memory/4680-11-0x00000000008F0000-0x0000000000A49000-memory.dmp	upx
behavioral2/memory/4956-14-0x0000000000AF0000-0x0000000000C49000-memory.dmp	upx
behavioral2/memory/4680-25-0x00000000008F0000-0x0000000000A49000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	outvaunts.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4640	RegSvcs.exe
4640	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4680	outvaunts.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4640	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4956	0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9.exe
4956	0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9.exe
4680	outvaunts.exe
4680	outvaunts.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4956	0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9.exe
4956	0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9.exe
4680	outvaunts.exe
4680	outvaunts.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 4680	4956	0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9.exe	82
PID 4956 wrote to memory of 4680	4956	0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9.exe	82
PID 4956 wrote to memory of 4680	4956	0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9.exe	82
PID 4680 wrote to memory of 4640	4680	outvaunts.exe	83
PID 4680 wrote to memory of 4640	4680	outvaunts.exe	83
PID 4680 wrote to memory of 4640	4680	outvaunts.exe	83
PID 4680 wrote to memory of 4640	4680	outvaunts.exe	83

C:\Users\Admin\AppData\Local\Temp\0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9.exe
"C:\Users\Admin\AppData\Local\Temp\0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Users\Admin\AppData\Local\kinematical\outvaunts.exe
  "C:\Users\Admin\AppData\Local\Temp\0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4680
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\kinematical\outvaunts.exe

Filesize
599KB

MD5
9b46500828b338eb4cda1d49bed1f791

SHA1
fe2f2d5e222765e585a61f80c33b061f643e7107

SHA256
0502e71249410dba419218374909428d7d53cca90c3cfe8861b7f8eae432a4b9

SHA512
5a6e39f1064f7a1db77fe8aab9da039f9340630ecf1379ef28061d857908107ccc884389fdc064d13b5c80fabc417d5d4061a718465f0301e9494c8db109e918

Download Submit
memory/4640-28-0x0000000005870000-0x00000000058D6000-memory.dmp

Filesize
408KB

Download
memory/4640-34-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4640-33-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/4640-32-0x0000000006C10000-0x0000000006C1A000-memory.dmp

Filesize
40KB

Download
memory/4640-31-0x0000000006C80000-0x0000000006D12000-memory.dmp

Filesize
584KB

Download
memory/4640-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4640-30-0x0000000006B90000-0x0000000006BE0000-memory.dmp

Filesize
320KB

Download
memory/4640-26-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/4640-27-0x0000000005C70000-0x0000000006214000-memory.dmp

Filesize
5.6MB

Download
memory/4640-29-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4680-25-0x00000000008F0000-0x0000000000A49000-memory.dmp

Filesize
1.3MB

Download
memory/4680-22-0x00000000014C0000-0x00000000018C0000-memory.dmp

Filesize
4.0MB

Download
memory/4680-11-0x00000000008F0000-0x0000000000A49000-memory.dmp

Filesize
1.3MB

Download
memory/4956-0-0x0000000000AF0000-0x0000000000C49000-memory.dmp

Filesize
1.3MB

Download
memory/4956-14-0x0000000000AF0000-0x0000000000C49000-memory.dmp

Filesize
1.3MB

Download
memory/4956-7-0x0000000001820000-0x0000000001C20000-memory.dmp

Filesize
4.0MB

Download

Analysis

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