agenttesla | 453f3f89b2d12737cb46db2e6be35e178375deb75fc03aeadddef84f0f74283a

General

Target

HG98765456789H.exe
Size

1.1MB
MD5

0f8c8f3f750b0b4a18edab0543e68aa4
SHA1

3ddacb0211cc68c45243a897c01f8f422c5194ac
SHA256

ade3a15703a901c6df8b389b0fd93901e8424d3e541a897d365c60b1d032fdb1
SHA512

d983ba6b826b9b00647b42736dd92147e3e973df88eb6bedd09412388baad62618608ed930ccde29e6a41acf126bcf570202feb1fcf67ab56d2d46425f1d989c
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QL32BqgahNaGKRXCcNuvlGU/aSsC7N9E:ffmMv6Ckr7Mny5QLGvW4P0s0H1gZS6T

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

Signatures

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oxman.vbs	oxman.exe

Executes dropped EXE 1 IoCs

pid	Process
1868	oxman.exe

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
20	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000b000000023b84-5.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 4520	1868	oxman.exe	90

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 3 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	HG98765456789H.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oxman.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4520	RegSvcs.exe
4520	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1868	oxman.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4520	RegSvcs.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
1196	HG98765456789H.exe
1196	HG98765456789H.exe
1196	HG98765456789H.exe
1868	oxman.exe
1868	oxman.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
1196	HG98765456789H.exe
1196	HG98765456789H.exe
1196	HG98765456789H.exe
1868	oxman.exe
1868	oxman.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 1868	1196	HG98765456789H.exe	87
PID 1196 wrote to memory of 1868	1196	HG98765456789H.exe	87
PID 1196 wrote to memory of 1868	1196	HG98765456789H.exe	87
PID 1868 wrote to memory of 4520	1868	oxman.exe	90
PID 1868 wrote to memory of 4520	1868	oxman.exe	90
PID 1868 wrote to memory of 4520	1868	oxman.exe	90
PID 1868 wrote to memory of 4520	1868	oxman.exe	90

C:\Users\Admin\AppData\Local\Temp\HG98765456789H.exe
"C:\Users\Admin\AppData\Local\Temp\HG98765456789H.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\pteropod\oxman.exe
  "C:\Users\Admin\AppData\Local\Temp\HG98765456789H.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - 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:1868
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\HG98765456789H.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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

C:\Users\Admin\AppData\Local\pteropod\oxman.exe

Filesize
1.1MB

MD5
0f8c8f3f750b0b4a18edab0543e68aa4

SHA1
3ddacb0211cc68c45243a897c01f8f422c5194ac

SHA256
ade3a15703a901c6df8b389b0fd93901e8424d3e541a897d365c60b1d032fdb1

SHA512
d983ba6b826b9b00647b42736dd92147e3e973df88eb6bedd09412388baad62618608ed930ccde29e6a41acf126bcf570202feb1fcf67ab56d2d46425f1d989c

Download Submit
memory/1196-2-0x0000000003D40000-0x0000000003F40000-memory.dmp

Filesize
2.0MB

Download
memory/1868-10-0x0000000003E20000-0x0000000004220000-memory.dmp

Filesize
4.0MB

Download
memory/4520-14-0x0000000005020000-0x00000000055C4000-memory.dmp

Filesize
5.6MB

Download
memory/4520-13-0x000000007539E000-0x000000007539F000-memory.dmp

Filesize
4KB

Download
memory/4520-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4520-15-0x0000000004B70000-0x0000000004BD6000-memory.dmp

Filesize
408KB

Download
memory/4520-16-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/4520-17-0x0000000005E70000-0x0000000005F02000-memory.dmp

Filesize
584KB

Download
memory/4520-18-0x0000000005F10000-0x0000000005F60000-memory.dmp

Filesize
320KB

Download
memory/4520-19-0x0000000005F70000-0x0000000005F7A000-memory.dmp

Filesize
40KB

Download
memory/4520-20-0x000000007539E000-0x000000007539F000-memory.dmp

Filesize
4KB

Download
memory/4520-21-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download

Analysis

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