agenttesla | 007ceac4f116f7010b239ed068ef5453461750d6be5146a46f50b561dd627e87

General

Target

Ref_50102_607.7z.exe
Size

639KB
MD5

945fbe2f3b89dccd586062c07a532d55
SHA1

b3c31488bc86630267881bb0675a4c8baac65bf6
SHA256

245ee760d71dc45da0f6df037798b8b5beaa01850483a35cc340a916cce946af
SHA512

10bed2ba141cd01359d95e92fde52dc91d9fb8b5e1108d6faac6cacfbc181788cbda4fad7b7eac25c13812f41e433b237c1216387d687c35465c0b7cba858e5a
SSDEEP

12288:58a9pdkUE0oNHfEGIU+u5siT90lyjTo+AUFyD0/5X9zGbnBk7wakR:58andkt3NMG9l5sk90ITYY/Otqw5

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
(=8fPSH$KO_!

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2656	powershell.exe
2180	powershell.exe

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

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 2104 set thread context of 1088	2104	Ref_50102_607.7z.exe	35

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 5 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	Ref_50102_607.7z.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ref_50102_607.7z.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1572	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2104	Ref_50102_607.7z.exe
2104	Ref_50102_607.7z.exe
2104	Ref_50102_607.7z.exe
2104	Ref_50102_607.7z.exe
2104	Ref_50102_607.7z.exe
2104	Ref_50102_607.7z.exe
2104	Ref_50102_607.7z.exe
1088	Ref_50102_607.7z.exe
1088	Ref_50102_607.7z.exe
2656	powershell.exe
2180	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	Ref_50102_607.7z.exe
Token: SeDebugPrivilege	1088	Ref_50102_607.7z.exe
Token: SeDebugPrivilege	2656	powershell.exe
Token: SeDebugPrivilege	2180	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2180	2104	Ref_50102_607.7z.exe	29
PID 2104 wrote to memory of 2180	2104	Ref_50102_607.7z.exe	29
PID 2104 wrote to memory of 2180	2104	Ref_50102_607.7z.exe	29
PID 2104 wrote to memory of 2180	2104	Ref_50102_607.7z.exe	29
PID 2104 wrote to memory of 2656	2104	Ref_50102_607.7z.exe	31
PID 2104 wrote to memory of 2656	2104	Ref_50102_607.7z.exe	31
PID 2104 wrote to memory of 2656	2104	Ref_50102_607.7z.exe	31
PID 2104 wrote to memory of 2656	2104	Ref_50102_607.7z.exe	31
PID 2104 wrote to memory of 1572	2104	Ref_50102_607.7z.exe	32
PID 2104 wrote to memory of 1572	2104	Ref_50102_607.7z.exe	32
PID 2104 wrote to memory of 1572	2104	Ref_50102_607.7z.exe	32
PID 2104 wrote to memory of 1572	2104	Ref_50102_607.7z.exe	32
PID 2104 wrote to memory of 1088	2104	Ref_50102_607.7z.exe	35
PID 2104 wrote to memory of 1088	2104	Ref_50102_607.7z.exe	35
PID 2104 wrote to memory of 1088	2104	Ref_50102_607.7z.exe	35
PID 2104 wrote to memory of 1088	2104	Ref_50102_607.7z.exe	35
PID 2104 wrote to memory of 1088	2104	Ref_50102_607.7z.exe	35
PID 2104 wrote to memory of 1088	2104	Ref_50102_607.7z.exe	35
PID 2104 wrote to memory of 1088	2104	Ref_50102_607.7z.exe	35
PID 2104 wrote to memory of 1088	2104	Ref_50102_607.7z.exe	35
PID 2104 wrote to memory of 1088	2104	Ref_50102_607.7z.exe	35

C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe
"C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2180
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XtBOrehPamR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2656
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XtBOrehPamR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7A2F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1572
- C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7A2F.tmp

Filesize
1KB

MD5
d64179c846414b116d32770bb47fa315

SHA1
5f606dabd76423a86336087c5360a26039c02fe0

SHA256
3cc1f1130b06baa5e08e7c1b52c2cb2531ed7d07704247e344002e5244cc2f4b

SHA512
c7a805cc7b232afa3460faebde97010dbcfb5f289cde7b9d6216e91c53af29c7438a8c536f2ed3ad28fd8e9267b9c609439b6e64f79e4a98a481fead8eec4b3e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
1cb443ea32b8b2b9cbeb4a8d5c86379e

SHA1
807159d8110be35253b8daad9ef5f5d4285f7227

SHA256
72dea0be84f59f88ded7d9f6bbeee2865c73c9ff2e2d9f87875dbf5e852ffca7

SHA512
73e6b1134eece47f3cc487d181e7805fd9ca7b552c66a7bad7a5d9eec4561f8e0995d1935b85cea32739e41a05407127cc3d1768eeaa4fb933a97fd4b40cbbf0

Download Submit
memory/1088-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1088-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1088-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1088-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1088-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1088-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1088-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1088-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2104-1-0x0000000000010000-0x00000000000B2000-memory.dmp

Filesize
648KB

Download
memory/2104-2-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/2104-0-0x000000007401E000-0x000000007401F000-memory.dmp

Filesize
4KB

Download
memory/2104-7-0x0000000004EE0000-0x0000000004F64000-memory.dmp

Filesize
528KB

Download
memory/2104-6-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/2104-3-0x0000000004DF0000-0x0000000004E8A000-memory.dmp

Filesize
616KB

Download
memory/2104-5-0x000000007401E000-0x000000007401F000-memory.dmp

Filesize
4KB

Download
memory/2104-4-0x00000000004B0000-0x00000000004C0000-memory.dmp

Filesize
64KB

Download
memory/2104-32-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads