agenttesla | bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05

General

Target

bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe
Size

531KB
MD5

7d5a73279a1b21f6c74453b1435b6188
SHA1

3a3d443a962ced3dbd4376f7ef070d2dd117c97e
SHA256

bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05
SHA512

519a9d56b3ac712600c84e8fab212e318afc24f64177019c696bf7bcf6cf4c70963c42861b5253fd2a9a2b4e2e9ee72ec1073df77876390d6d0748836836dcc4
SSDEEP

12288:4quErHF6xC9D6DmR1J98w4oknqOOCyQfUYfp4IAgjNX3N8L:5rl6kD68JmlotQfTp1AgjNX96

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.stingatoareincendii.ro
Port:
21
Username:
[email protected]
Password:
3.*RYhlG)lkA

Signatures

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

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
15	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3460-14-0x00000000008B0000-0x00000000009E6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3460 set thread context of 4848	3460	bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe	82

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3460-0-0x00000000008B0000-0x00000000009E6000-memory.dmp	upx
behavioral2/memory/3460-14-0x00000000008B0000-0x00000000009E6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 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	bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4848	RegSvcs.exe
4848	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3460	bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe
3460	bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4848	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3460	bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe
3460	bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3460	bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe
3460	bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 4848	3460	bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe	82
PID 3460 wrote to memory of 4848	3460	bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe	82
PID 3460 wrote to memory of 4848	3460	bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe	82
PID 3460 wrote to memory of 4848	3460	bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe	82

C:\Users\Admin\AppData\Local\Temp\bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe
"C:\Users\Admin\AppData\Local\Temp\bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe"
1⤵
- 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:3460
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\bbb9c37d643e6302bb92445338abeaa909ceea85994a30baf205cdbb9ebbaa05.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4848

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

memory/3460-14-0x00000000008B0000-0x00000000009E6000-memory.dmp

Filesize
1.2MB

Download
memory/3460-11-0x0000000000B40000-0x0000000000B44000-memory.dmp

Filesize
16KB

Download
memory/3460-0-0x00000000008B0000-0x00000000009E6000-memory.dmp

Filesize
1.2MB

Download
memory/4848-17-0x0000000004BC0000-0x0000000004C26000-memory.dmp

Filesize
408KB

Download
memory/4848-15-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/4848-16-0x0000000004FF0000-0x0000000005594000-memory.dmp

Filesize
5.6MB

Download
memory/4848-12-0x0000000000420000-0x0000000000462000-memory.dmp

Filesize
264KB

Download
memory/4848-18-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/4848-19-0x0000000005D60000-0x0000000005DB0000-memory.dmp

Filesize
320KB

Download
memory/4848-20-0x0000000005E50000-0x0000000005EE2000-memory.dmp

Filesize
584KB

Download
memory/4848-21-0x0000000005DE0000-0x0000000005DEA000-memory.dmp

Filesize
40KB

Download
memory/4848-22-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/4848-23-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download

Analysis

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