agenttesla | 8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d

General

Target

8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.exe
Size

784KB
MD5

e85120ae6e26e400b9e04147908c93f0
SHA1

16deafd5efffab3135f85b964a869d84dca61b45
SHA256

8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d
SHA512

7a14036c9dbc36caf62c00add3d88395256d10abee68759856a896609526acd8c185a3eef9d528b61eeac0b76335f9360388c66df52449e8d1fba373d8e4cd33
SSDEEP

12288:v6Wq4aaE6KwyF5L0Y2D1PqL0/h7xmPBBAYu9QSUVMvYGSR1VLprLwuiCpcgzR7hY:tthEVaPqLsrgYYBSUevvW13LTX17hSh/

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\chordates.vbs	chordates.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	chordates.exe

Loads dropped DLL 1 IoCs

pid	Process
1668	8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.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
4	ip-api.com

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1668-11-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral1/memory/2704-13-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral1/memory/2704-26-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2884	2704	chordates.exe	31

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1668-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral1/files/0x0007000000016d2c-5.dat	upx
behavioral1/memory/1668-7-0x0000000002D00000-0x0000000002DC2000-memory.dmp	upx
behavioral1/memory/1668-11-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral1/memory/2704-13-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral1/memory/2704-26-0x0000000000400000-0x00000000004C2000-memory.dmp	upx

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

System Information Discovery
T1082

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	8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chordates.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2884	RegSvcs.exe
2884	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2704	chordates.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2884	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1668	8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.exe
1668	8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.exe
2704	chordates.exe
2704	chordates.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1668	8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.exe
1668	8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.exe
2704	chordates.exe
2704	chordates.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2704	1668	8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.exe	30
PID 1668 wrote to memory of 2704	1668	8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.exe	30
PID 1668 wrote to memory of 2704	1668	8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.exe	30
PID 1668 wrote to memory of 2704	1668	8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.exe	30
PID 2704 wrote to memory of 2884	2704	chordates.exe	31
PID 2704 wrote to memory of 2884	2704	chordates.exe	31
PID 2704 wrote to memory of 2884	2704	chordates.exe	31
PID 2704 wrote to memory of 2884	2704	chordates.exe	31
PID 2704 wrote to memory of 2884	2704	chordates.exe	31
PID 2704 wrote to memory of 2884	2704	chordates.exe	31
PID 2704 wrote to memory of 2884	2704	chordates.exe	31
PID 2704 wrote to memory of 2884	2704	chordates.exe	31

C:\Users\Admin\AppData\Local\Temp\8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.exe
"C:\Users\Admin\AppData\Local\Temp\8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Users\Admin\AppData\Local\ferrites\chordates.exe
  "C:\Users\Admin\AppData\Local\Temp\8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.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:2704
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\ferrites\chordates.exe

Filesize
784KB

MD5
e85120ae6e26e400b9e04147908c93f0

SHA1
16deafd5efffab3135f85b964a869d84dca61b45

SHA256
8465f963efa6caad72607965a13d45407902ec2bc4648e24c92881a1e40c1e6d

SHA512
7a14036c9dbc36caf62c00add3d88395256d10abee68759856a896609526acd8c185a3eef9d528b61eeac0b76335f9360388c66df52449e8d1fba373d8e4cd33

Download Submit
memory/1668-2-0x0000000003310000-0x0000000003510000-memory.dmp

Filesize
2.0MB

Download
memory/1668-3-0x0000000003310000-0x0000000003510000-memory.dmp

Filesize
2.0MB

Download
memory/1668-7-0x0000000002D00000-0x0000000002DC2000-memory.dmp

Filesize
776KB

Download
memory/1668-11-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1668-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1668-12-0x0000000003310000-0x0000000003510000-memory.dmp

Filesize
2.0MB

Download
memory/2704-17-0x00000000038C0000-0x0000000003AC0000-memory.dmp

Filesize
2.0MB

Download
memory/2704-18-0x00000000038C0000-0x0000000003AC0000-memory.dmp

Filesize
2.0MB

Download
memory/2704-13-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2704-26-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2704-28-0x00000000038C0000-0x0000000003AC0000-memory.dmp

Filesize
2.0MB

Download
memory/2884-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2884-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2884-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2884-27-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2884-29-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-30-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2884-31-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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