agenttesla | d4868faeec8e298ac1992d035f9a6a0993925c7f7804cb417d00721b75174c1f

General

Target

BL98229909101627/BL98229909101627.exe
Size

992KB
MD5

70386ced8b009d28b70269b18ce2ca6c
SHA1

0abadc4432da2cf489e3c9ad060b389e36feebed
SHA256

049cc2d1388dba66dfeb9fa5de703c293b681641a855d13a8cc1490b9d64d8ce
SHA512

f9921f3a72780a1f98f3b177b2f550c38030a0bd79702b826ddbc19972928869e024df7a8343dfa8132151047ad9a208412c5e091938c6afe45c85914d0d66b0
SSDEEP

12288:NRWp2S/1kgdprUT1ErcaZJDNXuODvLahmke0MQoUd7NoSwYszfFvANoKVs5t:vWpH6a0yAGDNXD2hmgpxwYs5vAor5t

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
s4.serv00.com
Port:
21
Username:
f2241_dod
Password:
Ball900@@

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://s4.serv00.com
Port:
21
Username:
f2241_dod
Password:
Ball900@@

Signatures

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

Executes dropped EXE 4 IoCs

pid	Process
5304	adobe.exe
6008	adobe.exe
2848	adobe.exe
2172	adobe.exe

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 3 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

Credentials from Web Browsers
T1555.003

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-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\adobe = "C:\\Users\\Admin\\AppData\\Roaming\\adobe\\adobe.exe"	BL98229909101627.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
58	api.ipify.org
59	api.ipify.org
68	api.ipify.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2316 set thread context of 3312	2316	BL98229909101627.exe	100
PID 5304 set thread context of 2848	5304	adobe.exe	110

System Location Discovery: System Language Discovery 1 TTPs 4 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	adobe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adobe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BL98229909101627.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BL98229909101627.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3312	BL98229909101627.exe
3312	BL98229909101627.exe
5304	adobe.exe
5304	adobe.exe
5304	adobe.exe
5304	adobe.exe
2848	adobe.exe
2848	adobe.exe

Suspicious behavior: SetClipboardViewer 1 IoCs

pid	Process
2848	adobe.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3312	BL98229909101627.exe
Token: SeDebugPrivilege	5304	adobe.exe
Token: SeDebugPrivilege	2848	adobe.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3312	BL98229909101627.exe
2848	adobe.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 3312	2316	BL98229909101627.exe	100
PID 2316 wrote to memory of 3312	2316	BL98229909101627.exe	100
PID 2316 wrote to memory of 3312	2316	BL98229909101627.exe	100
PID 2316 wrote to memory of 3312	2316	BL98229909101627.exe	100
PID 2316 wrote to memory of 3312	2316	BL98229909101627.exe	100
PID 2316 wrote to memory of 3312	2316	BL98229909101627.exe	100
PID 2316 wrote to memory of 3312	2316	BL98229909101627.exe	100
PID 2316 wrote to memory of 3312	2316	BL98229909101627.exe	100
PID 2392 wrote to memory of 5304	2392	cmd.exe	106
PID 2392 wrote to memory of 5304	2392	cmd.exe	106
PID 2392 wrote to memory of 5304	2392	cmd.exe	106
PID 5304 wrote to memory of 6008	5304	adobe.exe	108
PID 5304 wrote to memory of 6008	5304	adobe.exe	108
PID 5304 wrote to memory of 6008	5304	adobe.exe	108
PID 5304 wrote to memory of 2172	5304	adobe.exe	109
PID 5304 wrote to memory of 2172	5304	adobe.exe	109
PID 5304 wrote to memory of 2172	5304	adobe.exe	109
PID 5304 wrote to memory of 2848	5304	adobe.exe	110
PID 5304 wrote to memory of 2848	5304	adobe.exe	110
PID 5304 wrote to memory of 2848	5304	adobe.exe	110
PID 5304 wrote to memory of 2848	5304	adobe.exe	110
PID 5304 wrote to memory of 2848	5304	adobe.exe	110
PID 5304 wrote to memory of 2848	5304	adobe.exe	110
PID 5304 wrote to memory of 2848	5304	adobe.exe	110
PID 5304 wrote to memory of 2848	5304	adobe.exe	110

C:\Users\Admin\AppData\Local\Temp\BL98229909101627\BL98229909101627.exe
"C:\Users\Admin\AppData\Local\Temp\BL98229909101627\BL98229909101627.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\BL98229909101627\BL98229909101627.exe
  "C:\Users\Admin\AppData\Local\Temp\BL98229909101627\BL98229909101627.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3312

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\adobe\adobe.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Users\Admin\AppData\Roaming\adobe\adobe.exe
  C:\Users\Admin\AppData\Roaming\adobe\adobe.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5304
- - C:\Users\Admin\AppData\Roaming\adobe\adobe.exe
    "C:\Users\Admin\AppData\Roaming\adobe\adobe.exe"
    3⤵
    - Executes dropped EXE
    PID:6008
- - C:\Users\Admin\AppData\Roaming\adobe\adobe.exe
    "C:\Users\Admin\AppData\Roaming\adobe\adobe.exe"
    3⤵
    - Executes dropped EXE
    PID:2172
- - C:\Users\Admin\AppData\Roaming\adobe\adobe.exe
    "C:\Users\Admin\AppData\Roaming\adobe\adobe.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: SetClipboardViewer
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2848

Network

MITRE ATT&CK Enterprise v16

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\BL98229909101627.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\adobe.exe

Filesize
992KB

MD5
70386ced8b009d28b70269b18ce2ca6c

SHA1
0abadc4432da2cf489e3c9ad060b389e36feebed

SHA256
049cc2d1388dba66dfeb9fa5de703c293b681641a855d13a8cc1490b9d64d8ce

SHA512
f9921f3a72780a1f98f3b177b2f550c38030a0bd79702b826ddbc19972928869e024df7a8343dfa8132151047ad9a208412c5e091938c6afe45c85914d0d66b0

Download Submit
memory/2316-6-0x0000000005A40000-0x0000000005ADC000-memory.dmp

Filesize
624KB

Download
memory/2316-1-0x0000000000F70000-0x000000000106E000-memory.dmp

Filesize
1016KB

Download
memory/2316-5-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/2316-4-0x00000000058D0000-0x00000000058DA000-memory.dmp

Filesize
40KB

Download
memory/2316-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/2316-7-0x0000000005C80000-0x0000000005C9A000-memory.dmp

Filesize
104KB

Download
memory/2316-8-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/2316-9-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/2316-10-0x0000000006D70000-0x0000000006E38000-memory.dmp

Filesize
800KB

Download
memory/2316-15-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/2316-3-0x00000000058F0000-0x0000000005982000-memory.dmp

Filesize
584KB

Download
memory/2316-2-0x0000000005FF0000-0x0000000006594000-memory.dmp

Filesize
5.6MB

Download
memory/3312-14-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3312-16-0x00000000052C0000-0x0000000005326000-memory.dmp

Filesize
408KB

Download
memory/3312-17-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3312-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3312-25-0x0000000006940000-0x0000000006990000-memory.dmp

Filesize
320KB

Download
memory/3312-26-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/5304-23-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/5304-24-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/5304-27-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/5304-34-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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