agenttesla | 996a678b9f2d2434c6da9452449c3f21aac4b5e15ba7ae8c0a5ecd429d287e35

General

Target

FGT9870009000.exe
Size

758KB
MD5

2470914fd04c28516223c5414055b846
SHA1

fcfbc9fb662ecfb654292739da72817ccfbd721c
SHA256

996a678b9f2d2434c6da9452449c3f21aac4b5e15ba7ae8c0a5ecd429d287e35
SHA512

956f49c92c6b84398036e3c50323f20bf76a059b767835ee63d2b957004119aeaf45cd24c33c1ec415c5922cc8969d848a06a3ef2bf1998972a2f6bbbd98352a
SSDEEP

12288:v6Wq4aaE6KwyF5L0Y2D1PqLfIrJFq3w9i+6alvoD2FUfMM41jkw2m1eYHkDon5wk:tthEVaPqLfIFFq3h+640rSTkDs7n

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\hurtling.vbs	hurtling.exe

Executes dropped EXE 1 IoCs

pid	Process
2748	hurtling.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/4448-9-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral2/memory/2748-13-0x0000000003CF0000-0x0000000003EF0000-memory.dmp	autoit_exe
behavioral2/memory/2748-17-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2748 set thread context of 1264	2748	hurtling.exe	83

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4448-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/files/0x000a000000023b77-6.dat	upx
behavioral2/memory/4448-9-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/2748-17-0x0000000000400000-0x00000000004C2000-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	FGT9870009000.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurtling.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1264	RegSvcs.exe
1264	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2748	hurtling.exe
2748	hurtling.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1264	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4448	FGT9870009000.exe
4448	FGT9870009000.exe
2748	hurtling.exe
2748	hurtling.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4448	FGT9870009000.exe
4448	FGT9870009000.exe
2748	hurtling.exe
2748	hurtling.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 2748	4448	FGT9870009000.exe	82
PID 4448 wrote to memory of 2748	4448	FGT9870009000.exe	82
PID 4448 wrote to memory of 2748	4448	FGT9870009000.exe	82
PID 2748 wrote to memory of 1264	2748	hurtling.exe	83
PID 2748 wrote to memory of 1264	2748	hurtling.exe	83
PID 2748 wrote to memory of 1264	2748	hurtling.exe	83
PID 2748 wrote to memory of 1264	2748	hurtling.exe	83

C:\Users\Admin\AppData\Local\Temp\FGT9870009000.exe
"C:\Users\Admin\AppData\Local\Temp\FGT9870009000.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Users\Admin\AppData\Local\parachronism\hurtling.exe
  "C:\Users\Admin\AppData\Local\Temp\FGT9870009000.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:2748
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\FGT9870009000.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1264

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\parachronism\hurtling.exe

Filesize
758KB

MD5
2470914fd04c28516223c5414055b846

SHA1
fcfbc9fb662ecfb654292739da72817ccfbd721c

SHA256
996a678b9f2d2434c6da9452449c3f21aac4b5e15ba7ae8c0a5ecd429d287e35

SHA512
956f49c92c6b84398036e3c50323f20bf76a059b767835ee63d2b957004119aeaf45cd24c33c1ec415c5922cc8969d848a06a3ef2bf1998972a2f6bbbd98352a

Download Submit
memory/1264-18-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/1264-19-0x0000000005390000-0x0000000005934000-memory.dmp

Filesize
5.6MB

Download
memory/1264-26-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/1264-25-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/1264-15-0x0000000000770000-0x00000000007B2000-memory.dmp

Filesize
264KB

Download
memory/1264-24-0x0000000006270000-0x000000000627A000-memory.dmp

Filesize
40KB

Download
memory/1264-23-0x0000000006300000-0x0000000006392000-memory.dmp

Filesize
584KB

Download
memory/1264-22-0x0000000006210000-0x0000000006260000-memory.dmp

Filesize
320KB

Download
memory/1264-20-0x0000000004EE0000-0x0000000004F46000-memory.dmp

Filesize
408KB

Download
memory/1264-21-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/2748-17-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2748-13-0x0000000003CF0000-0x0000000003EF0000-memory.dmp

Filesize
2.0MB

Download
memory/4448-9-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4448-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4448-3-0x0000000004030000-0x0000000004230000-memory.dmp

Filesize
2.0MB

Download

Analysis

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