agenttesla | 6fcadc34eeda4afac077489aeb90d0dd0ea91ad5b0d74778f74e7a2270b9de3a

General

Target

Shipping Documents PO33877/Shipping Documents PO33877.xlsx.exe
Size

381KB
MD5

77179b37f2fcdec43f42095566b6d6e3
SHA1

9a0afd1631fdb273b816def1e633759b8330c564
SHA256

8fb3bcbd5a38e14e633e862de16454b268d51cebeb3d3ce1dda15bda79bb4873
SHA512

fbd023ee39739bbdbeaf7a1d6037c3345224f30621aa60db6216179b4900a3f8d46e0e484ee5b432d5d1119d2f177690b180d8c7f09bc64ee2bb85e4f7ec8e8f
SSDEEP

6144:oULmwjsj1ZkYbRxILAymqpVJyZpkh5JNRds9jdx/ZKU/OH6HVZpvCV:oUqB1ZnRxe1hYp65ZdUjmmIV

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
s4.serv00.com
Port:
21
Username:
f2241_dol
Password:
Doll900#@

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://s4.serv00.com
Port:
21
Username:
f2241_dol
Password:
Doll900#@

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\adobe = "C:\\Users\\Admin\\AppData\\Roaming\\adobe\\adobe.exe"	Shipping Documents PO33877.xlsx.exe

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
19	api.ipify.org
20	api.ipify.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1124 set thread context of 4208	1124	Shipping Documents PO33877.xlsx.exe	84
PID 1124 set thread context of 1520	1124	Shipping Documents PO33877.xlsx.exe	90

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2560	4208	WerFault.exe	84

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1520	Shipping Documents PO33877.xlsx.exe
1520	Shipping Documents PO33877.xlsx.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1520	Shipping Documents PO33877.xlsx.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1520	Shipping Documents PO33877.xlsx.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 4208	1124	Shipping Documents PO33877.xlsx.exe	84
PID 1124 wrote to memory of 4208	1124	Shipping Documents PO33877.xlsx.exe	84
PID 1124 wrote to memory of 4208	1124	Shipping Documents PO33877.xlsx.exe	84
PID 1124 wrote to memory of 4208	1124	Shipping Documents PO33877.xlsx.exe	84
PID 1124 wrote to memory of 1520	1124	Shipping Documents PO33877.xlsx.exe	90
PID 1124 wrote to memory of 1520	1124	Shipping Documents PO33877.xlsx.exe	90
PID 1124 wrote to memory of 1520	1124	Shipping Documents PO33877.xlsx.exe	90
PID 1124 wrote to memory of 1520	1124	Shipping Documents PO33877.xlsx.exe	90
PID 1124 wrote to memory of 1520	1124	Shipping Documents PO33877.xlsx.exe	90
PID 1124 wrote to memory of 1520	1124	Shipping Documents PO33877.xlsx.exe	90
PID 1124 wrote to memory of 1520	1124	Shipping Documents PO33877.xlsx.exe	90
PID 1124 wrote to memory of 1520	1124	Shipping Documents PO33877.xlsx.exe	90

C:\Users\Admin\AppData\Local\Temp\Shipping Documents PO33877\Shipping Documents PO33877.xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping Documents PO33877\Shipping Documents PO33877.xlsx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Local\Temp\Shipping Documents PO33877\Shipping Documents PO33877.xlsx.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipping Documents PO33877\Shipping Documents PO33877.xlsx.exe"
  2⤵
  PID:4208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 84
    3⤵
    - Program crash
    PID:2560
- C:\Users\Admin\AppData\Local\Temp\Shipping Documents PO33877\Shipping Documents PO33877.xlsx.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipping Documents PO33877\Shipping Documents PO33877.xlsx.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4208 -ip 4208
1⤵
PID:3580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1124-0-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/1124-1-0x0000000000B50000-0x0000000000BB4000-memory.dmp

Filesize
400KB

Download
memory/1124-3-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/1520-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1520-5-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/1520-6-0x00000000054D0000-0x0000000005A74000-memory.dmp

Filesize
5.6MB

Download
memory/1520-7-0x0000000005090000-0x00000000050F6000-memory.dmp

Filesize
408KB

Download
memory/1520-8-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/1520-11-0x0000000006750000-0x00000000067A0000-memory.dmp

Filesize
320KB

Download
memory/1520-12-0x0000000006840000-0x00000000068DC000-memory.dmp

Filesize
624KB

Download
memory/1520-13-0x0000000006980000-0x0000000006A12000-memory.dmp

Filesize
584KB

Download
memory/1520-14-0x0000000006920000-0x000000000692A000-memory.dmp

Filesize
40KB

Download
memory/1520-15-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads