agenttesla | 97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53

General

Target

97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe
Size

590KB
MD5

b12b444b2a02c69499aed36944384160
SHA1

69c880815225de5db3927af16727020cc9d563d5
SHA256

97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53
SHA512

82731330e96bfbe9d151e70a9263e1e9444b2f9447d17fa33281177ac752724dc25fa58f7b64c05a4ffeae372d2009457b6778ad4a90deaac3f7d92ccc6a07cb
SSDEEP

12288:2quErHF6xC9D6DmR1J98w4oknqOOCyQfc8KeXMV7d/AhbUnWfW:7rl6kD68JmlotQfjXcV7B0bUWe

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\phagocytose.vbs	phagocytose.exe

Executes dropped EXE 1 IoCs

pid	Process
3836	phagocytose.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
11	ip-api.com

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3184-12-0x00000000006E0000-0x0000000000834000-memory.dmp	autoit_exe
behavioral2/memory/3836-26-0x00000000007B0000-0x0000000000904000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3836 set thread context of 5012	3836	phagocytose.exe	85

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3184-0-0x00000000006E0000-0x0000000000834000-memory.dmp	upx
behavioral2/files/0x0008000000023bef-10.dat	upx
behavioral2/memory/3836-13-0x00000000007B0000-0x0000000000904000-memory.dmp	upx
behavioral2/memory/3184-12-0x00000000006E0000-0x0000000000834000-memory.dmp	upx
behavioral2/memory/3836-26-0x00000000007B0000-0x0000000000904000-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	97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	phagocytose.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5012	RegSvcs.exe
5012	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3836	phagocytose.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5012	RegSvcs.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
3184	97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe
3184	97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe
3184	97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe
3836	phagocytose.exe
3836	phagocytose.exe
3836	phagocytose.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
3184	97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe
3184	97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe
3184	97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe
3836	phagocytose.exe
3836	phagocytose.exe
3836	phagocytose.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 3836	3184	97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe	83
PID 3184 wrote to memory of 3836	3184	97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe	83
PID 3184 wrote to memory of 3836	3184	97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe	83
PID 3836 wrote to memory of 5012	3836	phagocytose.exe	85
PID 3836 wrote to memory of 5012	3836	phagocytose.exe	85
PID 3836 wrote to memory of 5012	3836	phagocytose.exe	85
PID 3836 wrote to memory of 5012	3836	phagocytose.exe	85

C:\Users\Admin\AppData\Local\Temp\97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe
"C:\Users\Admin\AppData\Local\Temp\97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Users\Admin\AppData\Local\roundup\phagocytose.exe
  "C:\Users\Admin\AppData\Local\Temp\97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.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:3836
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5012

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\roundup\phagocytose.exe

Filesize
590KB

MD5
b12b444b2a02c69499aed36944384160

SHA1
69c880815225de5db3927af16727020cc9d563d5

SHA256
97a8bf73809611ee4048adc2714685bd29bba3e677f5589b1053e30e0d98cf53

SHA512
82731330e96bfbe9d151e70a9263e1e9444b2f9447d17fa33281177ac752724dc25fa58f7b64c05a4ffeae372d2009457b6778ad4a90deaac3f7d92ccc6a07cb

Download Submit
memory/3184-7-0x0000000001720000-0x0000000001B20000-memory.dmp

Filesize
4.0MB

Download
memory/3184-0-0x00000000006E0000-0x0000000000834000-memory.dmp

Filesize
1.3MB

Download
memory/3184-12-0x00000000006E0000-0x0000000000834000-memory.dmp

Filesize
1.3MB

Download
memory/3836-26-0x00000000007B0000-0x0000000000904000-memory.dmp

Filesize
1.3MB

Download
memory/3836-22-0x00000000012F0000-0x00000000016F0000-memory.dmp

Filesize
4.0MB

Download
memory/3836-13-0x00000000007B0000-0x0000000000904000-memory.dmp

Filesize
1.3MB

Download
memory/5012-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/5012-27-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/5012-28-0x0000000005540000-0x0000000005AE4000-memory.dmp

Filesize
5.6MB

Download
memory/5012-29-0x0000000005180000-0x00000000051E6000-memory.dmp

Filesize
408KB

Download
memory/5012-30-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/5012-31-0x0000000006340000-0x0000000006390000-memory.dmp

Filesize
320KB

Download
memory/5012-32-0x0000000006430000-0x00000000064C2000-memory.dmp

Filesize
584KB

Download
memory/5012-33-0x00000000063C0000-0x00000000063CA000-memory.dmp

Filesize
40KB

Download
memory/5012-34-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/5012-35-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download

Analysis

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