agenttesla | 92afd7e1c0f53f85f3a62bd54472966546a6d87e517c4439ba26ad1431235ccb

General

Target

ORDER 062920.exe
Size

475KB
MD5

1ac44ab27bd3611122ec00dbeb27f775
SHA1

3f534c105ccfa16d1c91cc81db1793cbc25572f2
SHA256

d1b548cd7f6dfff33fc925d0cbe43ffd4a533119635b07978ce146c2a113d4a1
SHA512

c03be94812c7fab93f0e8bd08ab5df29d8e2a7980ea2158d7050a9719906f14bc32da4e7f3f3f335e11497c2bdbbbf8dd1081df05d81b66e6461f03eff9b9f7b

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mahavirint.in
Port:
587
Username:
[email protected]
Password:
mailok

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/996-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/996-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/996-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/996-67-0x000000000044734E-mapping.dmp	family_agenttesla
behavioral1/memory/996-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/996-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

ORDER 062920.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts ORDER 062920.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
T1081
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
T1081
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
T1081

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	ORDER 062920.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

ORDER 062920.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ORDER 062920.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ORDER 062920.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ORDER 062920.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ORDER 062920.exe

description pid process target process

PID 1984 set thread context of 996 1984 ORDER 062920.exe ORDER 062920.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

2044 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1428 REG.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

ORDER 062920.exeORDER 062920.exe

pid process

1984 ORDER 062920.exe
1984 ORDER 062920.exe
1984 ORDER 062920.exe
996 ORDER 062920.exe
996 ORDER 062920.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ORDER 062920.exeORDER 062920.exe

description pid process

Token: SeDebugPrivilege 1984 ORDER 062920.exe
Token: SeDebugPrivilege 996 ORDER 062920.exe

description	pid	process	target process
PID 1984 set thread context of 996	1984	ORDER 062920.exe	ORDER 062920.exe

pid	process
2044	schtasks.exe

pid	process
1428	REG.exe

pid	process
1984	ORDER 062920.exe
1984	ORDER 062920.exe
1984	ORDER 062920.exe
996	ORDER 062920.exe
996	ORDER 062920.exe

description	pid	process
Token: SeDebugPrivilege	1984	ORDER 062920.exe
Token: SeDebugPrivilege	996	ORDER 062920.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

ORDER 062920.exeORDER 062920.exe

description	pid	process	target process
PID 1984 wrote to memory of 2044	1984	ORDER 062920.exe	schtasks.exe
PID 1984 wrote to memory of 2044	1984	ORDER 062920.exe	schtasks.exe
PID 1984 wrote to memory of 2044	1984	ORDER 062920.exe	schtasks.exe
PID 1984 wrote to memory of 2044	1984	ORDER 062920.exe	schtasks.exe
PID 1984 wrote to memory of 996	1984	ORDER 062920.exe	ORDER 062920.exe
PID 1984 wrote to memory of 996	1984	ORDER 062920.exe	ORDER 062920.exe
PID 1984 wrote to memory of 996	1984	ORDER 062920.exe	ORDER 062920.exe
PID 1984 wrote to memory of 996	1984	ORDER 062920.exe	ORDER 062920.exe
PID 1984 wrote to memory of 996	1984	ORDER 062920.exe	ORDER 062920.exe
PID 1984 wrote to memory of 996	1984	ORDER 062920.exe	ORDER 062920.exe
PID 1984 wrote to memory of 996	1984	ORDER 062920.exe	ORDER 062920.exe
PID 1984 wrote to memory of 996	1984	ORDER 062920.exe	ORDER 062920.exe
PID 1984 wrote to memory of 996	1984	ORDER 062920.exe	ORDER 062920.exe
PID 996 wrote to memory of 1428	996	ORDER 062920.exe	REG.exe
PID 996 wrote to memory of 1428	996	ORDER 062920.exe	REG.exe
PID 996 wrote to memory of 1428	996	ORDER 062920.exe	REG.exe
PID 996 wrote to memory of 1428	996	ORDER 062920.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

ORDER 062920.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ORDER 062920.exe

outlook_win_path 1 IoCs

Processes:

ORDER 062920.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ORDER 062920.exe

C:\Users\Admin\AppData\Local\Temp\ORDER 062920.exe
"C:\Users\Admin\AppData\Local\Temp\ORDER 062920.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GHmlbaLysrNn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB990.tmp"
2⤵
- Creates scheduled task(s)
PID:2044

C:\Users\Admin\AppData\Local\Temp\ORDER 062920.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:996

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
3⤵
- Modifies registry key
PID:1428

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB990.tmp
Filesize
1KB

MD5
7da96fada0135f6ee9ff00b737a493a9

SHA1
558f4ba6a4029ff98c76df4cbf3c6fd7d3768dc2

SHA256
673e83da8cae25dce04344545626ca0a23956162e2a90c607ee264e92e9fd8c4

SHA512
6870849d1802a3bf0854ada34054bdef60a89d11ad803f3c58d7fb6ffa808c94a122799fc85887925c9d29aaa4d8aff9938d4d2d2d9374af61324ed6e16a70b0

Download Submit
memory/996-67-0x000000000044734E-mapping.dmp

Download
memory/996-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/996-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/996-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/996-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/996-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/996-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/996-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1428-73-0x0000000000000000-mapping.dmp

Download
memory/1984-56-0x0000000000250000-0x0000000000260000-memory.dmp

Filesize
64KB

Download
memory/1984-55-0x00000000753C1000-0x00000000753C3000-memory.dmp

Filesize
8KB

Download
memory/1984-54-0x0000000000DD0000-0x0000000000E4E000-memory.dmp

Filesize
504KB

Download
memory/1984-58-0x0000000000B90000-0x0000000000BDC000-memory.dmp

Filesize
304KB

Download
memory/1984-57-0x0000000000760000-0x00000000007C6000-memory.dmp

Filesize
408KB

Download
memory/2044-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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