agenttesla | 245ee760d71dc45da0f6df037798b8b5beaa01850483a35cc340a916cce946af

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
2992	powershell.exe
2820	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 2696 set thread context of 2644	2696	Ref_50102_607.7z.exe	37

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	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
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

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
2176	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2696	Ref_50102_607.7z.exe
2696	Ref_50102_607.7z.exe
2696	Ref_50102_607.7z.exe
2696	Ref_50102_607.7z.exe
2696	Ref_50102_607.7z.exe
2696	Ref_50102_607.7z.exe
2696	Ref_50102_607.7z.exe
2644	Ref_50102_607.7z.exe
2644	Ref_50102_607.7z.exe
2992	powershell.exe
2820	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	Ref_50102_607.7z.exe
Token: SeDebugPrivilege	2644	Ref_50102_607.7z.exe
Token: SeDebugPrivilege	2992	powershell.exe
Token: SeDebugPrivilege	2820	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2992	2696	Ref_50102_607.7z.exe	31
PID 2696 wrote to memory of 2992	2696	Ref_50102_607.7z.exe	31
PID 2696 wrote to memory of 2992	2696	Ref_50102_607.7z.exe	31
PID 2696 wrote to memory of 2992	2696	Ref_50102_607.7z.exe	31
PID 2696 wrote to memory of 2820	2696	Ref_50102_607.7z.exe	33
PID 2696 wrote to memory of 2820	2696	Ref_50102_607.7z.exe	33
PID 2696 wrote to memory of 2820	2696	Ref_50102_607.7z.exe	33
PID 2696 wrote to memory of 2820	2696	Ref_50102_607.7z.exe	33
PID 2696 wrote to memory of 2176	2696	Ref_50102_607.7z.exe	34
PID 2696 wrote to memory of 2176	2696	Ref_50102_607.7z.exe	34
PID 2696 wrote to memory of 2176	2696	Ref_50102_607.7z.exe	34
PID 2696 wrote to memory of 2176	2696	Ref_50102_607.7z.exe	34
PID 2696 wrote to memory of 2644	2696	Ref_50102_607.7z.exe	37
PID 2696 wrote to memory of 2644	2696	Ref_50102_607.7z.exe	37
PID 2696 wrote to memory of 2644	2696	Ref_50102_607.7z.exe	37
PID 2696 wrote to memory of 2644	2696	Ref_50102_607.7z.exe	37
PID 2696 wrote to memory of 2644	2696	Ref_50102_607.7z.exe	37
PID 2696 wrote to memory of 2644	2696	Ref_50102_607.7z.exe	37
PID 2696 wrote to memory of 2644	2696	Ref_50102_607.7z.exe	37
PID 2696 wrote to memory of 2644	2696	Ref_50102_607.7z.exe	37
PID 2696 wrote to memory of 2644	2696	Ref_50102_607.7z.exe	37

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:2696
- 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:2992
- 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:2820
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XtBOrehPamR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDF19.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2176
- 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:2644

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\tmpDF19.tmp

Filesize
1KB

MD5
8feb03ff59e4f426780e08366f5c0d94

SHA1
04cb2843cd5f33682dc99084fcd0b600303ba257

SHA256
daa575e54ad391955b227cdaee624fdb8749885cee2e897ed5d4fb3c9f04b838

SHA512
a8afe45b0786d83bb47bcceebd1451da12d0c13f8b0f3f90ecea595b3a9907533b37ae0a98c4d0ad0dc1df020a67d2c04b66e5626baa02fd2ee6186079b78bee

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\89G9GKZ5SMMTA0F6R2QT.temp

Filesize
7KB

MD5
c9eeab6cdb5d460d75c7ab5e238f52a2

SHA1
4d58f28e8bf6cc871ac2ff8896dd360e33fafba9

SHA256
a263ac31b1a34e2ea9a06322b14062828febb48b2652d0261f8fb12cdfd721ab

SHA512
710f160a277da1de20a38308b80fe5cc469b8dba0dae44320620b5e29f8b552fb743bedd8a45f050a7a46dc974685f3b9a1fab90b521eb4eb2b410d81fdd9e3f

Download Submit
memory/2644-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2644-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2644-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2644-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2644-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2644-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2644-32-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-1-0x0000000000CB0000-0x0000000000D52000-memory.dmp

Filesize
648KB

Download
memory/2696-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2696-7-0x0000000005630000-0x00000000056B4000-memory.dmp

Filesize
528KB

Download
memory/2696-6-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-3-0x0000000005280000-0x000000000531A000-memory.dmp

Filesize
616KB

Download
memory/2696-5-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2696-4-0x00000000007E0000-0x00000000007F0000-memory.dmp

Filesize
64KB

Download
memory/2696-33-0x0000000074690000-0x0000000074D7E000-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