agenttesla | c9f4f657e5c919e79eb5eaae5b0ac38683497288f7671f843d5097bf8fe96bf4

General

Target

859ab25dd3293afd3340bcf184ffde56.exe
Size

1.3MB
MD5

859ab25dd3293afd3340bcf184ffde56
SHA1

bafb31af0c29dbfd048e99220c59e7d133c45aec
SHA256

c9f4f657e5c919e79eb5eaae5b0ac38683497288f7671f843d5097bf8fe96bf4
SHA512

882324787b8662f66de3d06ff5fbc53f216ef89dc81c4b0e9006fe0107050cc11b599fa4db1d45a4072741cb3032bc33e982166e32f7ce6a189afbac5340adaa
SSDEEP

24576:NU6nWI0raIi1Vfch/9K/4PMavESaoWV/Nm/y12NhmSO:NUTIKaV1Vfm82MavzVyYY

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.carryfastagencies.com
Port:
587
Username:
[email protected]
Password:
jim$7257

Signatures

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

AgentTesla payload 2 IoCs

resource	yara_rule
behavioral2/memory/2456-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2456-21-0x0000000005080000-0x0000000005090000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	859ab25dd3293afd3340bcf184ffde56.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	859ab25dd3293afd3340bcf184ffde56.exe

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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	859ab25dd3293afd3340bcf184ffde56.exe
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	859ab25dd3293afd3340bcf184ffde56.exe
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	859ab25dd3293afd3340bcf184ffde56.exe

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	859ab25dd3293afd3340bcf184ffde56.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5036 set thread context of 2456	5036	859ab25dd3293afd3340bcf184ffde56.exe	99

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
1980	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5036	859ab25dd3293afd3340bcf184ffde56.exe
5036	859ab25dd3293afd3340bcf184ffde56.exe
2456	859ab25dd3293afd3340bcf184ffde56.exe
2456	859ab25dd3293afd3340bcf184ffde56.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5036	859ab25dd3293afd3340bcf184ffde56.exe
Token: SeDebugPrivilege	2456	859ab25dd3293afd3340bcf184ffde56.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2456	859ab25dd3293afd3340bcf184ffde56.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 1980	5036	859ab25dd3293afd3340bcf184ffde56.exe	97
PID 5036 wrote to memory of 1980	5036	859ab25dd3293afd3340bcf184ffde56.exe	97
PID 5036 wrote to memory of 1980	5036	859ab25dd3293afd3340bcf184ffde56.exe	97
PID 5036 wrote to memory of 2456	5036	859ab25dd3293afd3340bcf184ffde56.exe	99
PID 5036 wrote to memory of 2456	5036	859ab25dd3293afd3340bcf184ffde56.exe	99
PID 5036 wrote to memory of 2456	5036	859ab25dd3293afd3340bcf184ffde56.exe	99
PID 5036 wrote to memory of 2456	5036	859ab25dd3293afd3340bcf184ffde56.exe	99
PID 5036 wrote to memory of 2456	5036	859ab25dd3293afd3340bcf184ffde56.exe	99
PID 5036 wrote to memory of 2456	5036	859ab25dd3293afd3340bcf184ffde56.exe	99
PID 5036 wrote to memory of 2456	5036	859ab25dd3293afd3340bcf184ffde56.exe	99
PID 5036 wrote to memory of 2456	5036	859ab25dd3293afd3340bcf184ffde56.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	859ab25dd3293afd3340bcf184ffde56.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	859ab25dd3293afd3340bcf184ffde56.exe

C:\Users\Admin\AppData\Local\Temp\859ab25dd3293afd3340bcf184ffde56.exe
"C:\Users\Admin\AppData\Local\Temp\859ab25dd3293afd3340bcf184ffde56.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JkzrgbeDyboeo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFA3E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1980
- C:\Users\Admin\AppData\Local\Temp\859ab25dd3293afd3340bcf184ffde56.exe
  "C:\Users\Admin\AppData\Local\Temp\859ab25dd3293afd3340bcf184ffde56.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2456-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2456-29-0x0000000005080000-0x0000000005090000-memory.dmp

Filesize
64KB

Download
memory/2456-28-0x0000000006290000-0x00000000062E0000-memory.dmp

Filesize
320KB

Download
memory/2456-26-0x0000000005080000-0x0000000005090000-memory.dmp

Filesize
64KB

Download
memory/2456-25-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/2456-23-0x0000000005D60000-0x0000000005DC6000-memory.dmp

Filesize
408KB

Download
memory/2456-22-0x00000000050B0000-0x00000000050C8000-memory.dmp

Filesize
96KB

Download
memory/2456-21-0x0000000005080000-0x0000000005090000-memory.dmp

Filesize
64KB

Download
memory/2456-19-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/5036-5-0x0000000005940000-0x000000000594A000-memory.dmp

Filesize
40KB

Download
memory/5036-10-0x00000000086F0000-0x0000000008780000-memory.dmp

Filesize
576KB

Download
memory/5036-11-0x000000000AE20000-0x000000000AE84000-memory.dmp

Filesize
400KB

Download
memory/5036-9-0x00000000058F0000-0x0000000005900000-memory.dmp

Filesize
64KB

Download
memory/5036-8-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/5036-20-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/5036-7-0x0000000006C40000-0x0000000006CDC000-memory.dmp

Filesize
624KB

Download
memory/5036-6-0x0000000005EC0000-0x0000000005EDC000-memory.dmp

Filesize
112KB

Download
memory/5036-1-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/5036-4-0x00000000058F0000-0x0000000005900000-memory.dmp

Filesize
64KB

Download
memory/5036-3-0x00000000059E0000-0x0000000005A72000-memory.dmp

Filesize
584KB

Download
memory/5036-2-0x0000000005EF0000-0x0000000006494000-memory.dmp

Filesize
5.6MB

Download
memory/5036-0-0x0000000000DF0000-0x0000000000F46000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads