agenttesla | dbf95d753a2fedbee7a92a7e40dbcd3cdf655a2d6f1a163bf0c3aeefd1e021dc

General

Target

Purchase Order.exe
Size

588KB
MD5

55ab87ddf0459b1c207d4590f021e854
SHA1

22a3bf9867de027fde4ba06d1e9fd36654a885ce
SHA256

10bfbd96b6b11b5c6be3a51ed9b469a5e7d298d311d16f7ccb30624fac5af8c4
SHA512

77cbd0efa243ebd7b01995271dcea710524432853e68c1c474138f6b619a2505425ef3b1f20518fc7698866371f366c9fae0e032de55180f56188ab856ead0ee
SSDEEP

12288:CumOpyl6zVirdwFghawidFSl1lcegbQx5LPIJ9xxhOBOMkiFjV338O4Od0CgwP8c:nmOQ6zArd8gmdFSlDtg0wJ5QBO/DOdr9

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.skylinemaritime.net
Port:
587
Username:
[email protected]
Password:
js5C(,jsKG?]
Email To:
[email protected]

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
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 2736	2732	Purchase Order.exe	33

System Location Discovery: System Language Discovery 1 TTPs 1 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	jsc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2736	jsc.exe
2736	jsc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	jsc.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2752	2732	Purchase Order.exe	32
PID 2732 wrote to memory of 2752	2732	Purchase Order.exe	32
PID 2732 wrote to memory of 2752	2732	Purchase Order.exe	32
PID 2732 wrote to memory of 2752	2732	Purchase Order.exe	32
PID 2732 wrote to memory of 2752	2732	Purchase Order.exe	32
PID 2732 wrote to memory of 2752	2732	Purchase Order.exe	32
PID 2732 wrote to memory of 2752	2732	Purchase Order.exe	32
PID 2732 wrote to memory of 2736	2732	Purchase Order.exe	33
PID 2732 wrote to memory of 2736	2732	Purchase Order.exe	33
PID 2732 wrote to memory of 2736	2732	Purchase Order.exe	33
PID 2732 wrote to memory of 2736	2732	Purchase Order.exe	33
PID 2732 wrote to memory of 2736	2732	Purchase Order.exe	33
PID 2732 wrote to memory of 2736	2732	Purchase Order.exe	33
PID 2732 wrote to memory of 2736	2732	Purchase Order.exe	33
PID 2732 wrote to memory of 2736	2732	Purchase Order.exe	33
PID 2732 wrote to memory of 2736	2732	Purchase Order.exe	33
PID 2732 wrote to memory of 3012	2732	Purchase Order.exe	34
PID 2732 wrote to memory of 3012	2732	Purchase Order.exe	34
PID 2732 wrote to memory of 3012	2732	Purchase Order.exe	34

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:2752
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2732 -s 632
  2⤵
  PID:3012

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/2732-0-0x000007FEF5823000-0x000007FEF5824000-memory.dmp

Filesize
4KB

Download
memory/2732-1-0x00000000001D0000-0x00000000001D8000-memory.dmp

Filesize
32KB

Download
memory/2732-2-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2732-3-0x0000000000410000-0x00000000004A4000-memory.dmp

Filesize
592KB

Download
memory/2732-20-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2736-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2736-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2736-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2736-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2736-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2736-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2736-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2736-18-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/2736-19-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2736-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2736-21-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/2736-22-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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