agenttesla | c0606c7a28717e12ff2ba17844d4be166dcc9cfa060c98d0bd3b940c79d81ef8

General

Target

INVOICE #478122.exe
Size

544KB
MD5

15ceb47475a86d9b42cb5bb9e92ad101
SHA1

86bcebd131167e95dbff902c4fc4669f829b3d81
SHA256

c0606c7a28717e12ff2ba17844d4be166dcc9cfa060c98d0bd3b940c79d81ef8
SHA512

76031122fa7670ac69965038ea60472917ea16059b23c353db467121a4b2740c9e8ce422d7869fb1868f91e496017a63e03540d5e8eb760a1a8c70720eb9aeef
SSDEEP

12288:NYV6MorX7qzuC3QHO9FQVHPF51jgcrzOtOD/eRyCAcFx:iBXu9HGaVHm8/KdfFx

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mahesh-ent.com
Port:
587
Username:
[email protected]
Password:
M@hesh3981
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1448-0-0x0000000000270000-0x00000000003AD000-memory.dmp	upx
behavioral1/memory/1448-19-0x0000000000270000-0x00000000003AD000-memory.dmp	upx

Looks up external IP address via web service 2 IoCs

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

flow	ioc
2	api.ipify.org
3	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1448-19-0x0000000000270000-0x00000000003AD000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1448 set thread context of 3028	1448	INVOICE #478122.exe	30

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	INVOICE #478122.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3028	RegSvcs.exe
3028	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1448	INVOICE #478122.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1448	INVOICE #478122.exe
1448	INVOICE #478122.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1448	INVOICE #478122.exe
1448	INVOICE #478122.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3028	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 3028	1448	INVOICE #478122.exe	30
PID 1448 wrote to memory of 3028	1448	INVOICE #478122.exe	30
PID 1448 wrote to memory of 3028	1448	INVOICE #478122.exe	30
PID 1448 wrote to memory of 3028	1448	INVOICE #478122.exe	30
PID 1448 wrote to memory of 3028	1448	INVOICE #478122.exe	30
PID 1448 wrote to memory of 3028	1448	INVOICE #478122.exe	30
PID 1448 wrote to memory of 3028	1448	INVOICE #478122.exe	30
PID 1448 wrote to memory of 3028	1448	INVOICE #478122.exe	30

C:\Users\Admin\AppData\Local\Temp\INVOICE #478122.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE #478122.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:1448
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\INVOICE #478122.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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/1448-0-0x0000000000270000-0x00000000003AD000-memory.dmp

Filesize
1.2MB

Download
memory/1448-12-0x0000000000210000-0x0000000000214000-memory.dmp

Filesize
16KB

Download
memory/1448-19-0x0000000000270000-0x00000000003AD000-memory.dmp

Filesize
1.2MB

Download
memory/3028-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3028-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3028-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3028-20-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/3028-21-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-22-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/3028-23-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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