agenttesla | 6d121a6dc5d83a314d50c200a9bb80997585122c770b70f5905de16c550e3824

General

Target

cotización.PDF_98776456879808756846576879806765687976457687986764.exe
Size

88.0MB
MD5

e4a8ce0f507c8ba1023007a3fcfdef7e
SHA1

ae93d87dc7532f2c330e2ab7d39a39f131dd959b
SHA256

001b21318e75c49c1b0e415008530611da89163328b29d65ade1f7edde25328d
SHA512

97370fc754fb67fa95042e706894a4e36fe7f5337aff32490506e7f7738050c6dc2bec68561a1228312bf99985aeb330701b440a57e169416c1a690cd61220fa
SSDEEP

12288:v6Wq4aaE6KwyF5L0Y2D1PqLuKjL6vV34jxMQzpWlXeXpddOgLWHlqd48EJGpZpGe:tthEVaPqLnLoVqxsuX9uqd4nG/pG3

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
=A+N^@~c]~#I

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
behavioral2/memory/2636-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/2636-6-0x0000000000400000-0x00000000004C2000-memory.dmp	upx

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/2636-6-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2636 set thread context of 1504	2636	cotización.PDF_98776456879808756846576879806765687976457687986764.exe	82

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 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	cotización.PDF_98776456879808756846576879806765687976457687986764.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1504	RegSvcs.exe
1504	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2636	cotización.PDF_98776456879808756846576879806765687976457687986764.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1504	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 1504	2636	cotización.PDF_98776456879808756846576879806765687976457687986764.exe	82
PID 2636 wrote to memory of 1504	2636	cotización.PDF_98776456879808756846576879806765687976457687986764.exe	82
PID 2636 wrote to memory of 1504	2636	cotización.PDF_98776456879808756846576879806765687976457687986764.exe	82
PID 2636 wrote to memory of 1504	2636	cotización.PDF_98776456879808756846576879806765687976457687986764.exe	82

C:\Users\Admin\AppData\Local\Temp\cotización.PDF_98776456879808756846576879806765687976457687986764.exe
"C:\Users\Admin\AppData\Local\Temp\cotización.PDF_98776456879808756846576879806765687976457687986764.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\cotización.PDF_98776456879808756846576879806765687976457687986764.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1504

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 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

memory/1504-12-0x0000000006DA0000-0x0000000006E32000-memory.dmp

Filesize
584KB

Download
memory/1504-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1504-7-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/1504-8-0x0000000005F10000-0x00000000064B4000-memory.dmp

Filesize
5.6MB

Download
memory/1504-9-0x00000000058B0000-0x0000000005916000-memory.dmp

Filesize
408KB

Download
memory/1504-10-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/1504-11-0x0000000006CB0000-0x0000000006D00000-memory.dmp

Filesize
320KB

Download
memory/1504-13-0x0000000006D30000-0x0000000006D3A000-memory.dmp

Filesize
40KB

Download
memory/1504-14-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/1504-15-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2636-3-0x0000000004460000-0x0000000004860000-memory.dmp

Filesize
4.0MB

Download
memory/2636-6-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2636-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download

Analysis

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