agenttesla | 677af94bd1064fd89adf4b87a0e0159b8e448fb92265f30b6a09b60617df5b02

General

Target

NEFT Payment Receipt.exe
Size

522KB
MD5

db56d94b3df3bead6e010931aa0d379d
SHA1

9a52da05adad71adf8ce20cf12110f8ed45dc55f
SHA256

590d32924480f6d5306978feb7fea108eebfea73a42f50f7e06ddd7dd6db9269
SHA512

4ffdc06cb0a93d7893c15a9422185955db29b0eea480cfde5a134e7c51568a67d648896da01b4cf2d651bfc7c393a6506a61d070cabc096e31dfb81da4433cf9

Score

10^/10

agenttesla collection evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.pro-powersourcing.com
Port:
587
Username:
[email protected]
Password:
china1977

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3012-138-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Disables Task Manager via registry modification
evasion
Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

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

Processes:

NEFT Payment Receipt.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	NEFT Payment Receipt.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEFT Payment Receipt.exe

description pid process target process

PID 3676 set thread context of 3012 3676 NEFT Payment Receipt.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3204 3012 WerFault.exe RegSvcs.exe
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

4980 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

3448 REG.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

NEFT Payment Receipt.exeRegSvcs.exe

pid process

3676 NEFT Payment Receipt.exe
3012 RegSvcs.exe
3012 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

NEFT Payment Receipt.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3676 NEFT Payment Receipt.exe
Token: SeDebugPrivilege 3012 RegSvcs.exe

description	pid	process	target process
PID 3676 set thread context of 3012	3676	NEFT Payment Receipt.exe	RegSvcs.exe

pid	pid_target	process	target process
3204	3012	WerFault.exe	RegSvcs.exe

pid	process
4980	schtasks.exe

pid	process
3448	REG.exe

pid	process
3676	NEFT Payment Receipt.exe
3012	RegSvcs.exe
3012	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3676	NEFT Payment Receipt.exe
Token: SeDebugPrivilege	3012	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

NEFT Payment Receipt.exeRegSvcs.exe

description	pid	process	target process
PID 3676 wrote to memory of 4980	3676	NEFT Payment Receipt.exe	schtasks.exe
PID 3676 wrote to memory of 4980	3676	NEFT Payment Receipt.exe	schtasks.exe
PID 3676 wrote to memory of 4980	3676	NEFT Payment Receipt.exe	schtasks.exe
PID 3676 wrote to memory of 3012	3676	NEFT Payment Receipt.exe	RegSvcs.exe
PID 3676 wrote to memory of 3012	3676	NEFT Payment Receipt.exe	RegSvcs.exe
PID 3676 wrote to memory of 3012	3676	NEFT Payment Receipt.exe	RegSvcs.exe
PID 3676 wrote to memory of 3012	3676	NEFT Payment Receipt.exe	RegSvcs.exe
PID 3676 wrote to memory of 3012	3676	NEFT Payment Receipt.exe	RegSvcs.exe
PID 3676 wrote to memory of 3012	3676	NEFT Payment Receipt.exe	RegSvcs.exe
PID 3676 wrote to memory of 3012	3676	NEFT Payment Receipt.exe	RegSvcs.exe
PID 3676 wrote to memory of 3012	3676	NEFT Payment Receipt.exe	RegSvcs.exe
PID 3012 wrote to memory of 3448	3012	RegSvcs.exe	REG.exe
PID 3012 wrote to memory of 3448	3012	RegSvcs.exe	REG.exe
PID 3012 wrote to memory of 3448	3012	RegSvcs.exe	REG.exe
PID 3012 wrote to memory of 2848	3012	RegSvcs.exe	netsh.exe
PID 3012 wrote to memory of 2848	3012	RegSvcs.exe	netsh.exe
PID 3012 wrote to memory of 2848	3012	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\NEFT Payment Receipt.exe
"C:\Users\Admin\AppData\Local\Temp\NEFT Payment Receipt.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3676

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mXiktUDlm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3057.tmp"
2⤵
- Creates scheduled task(s)
PID:4980

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
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 WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3012

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:3448

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:2848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 1636
3⤵
- Program crash
PID:3204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3012 -ip 3012
1⤵
PID:3668

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3057.tmp
Filesize
1KB

MD5
240c5d1b885721b2b8e27b8b7c414e5d

SHA1
fe46054d255a70a70db72abe6065ab47d1672ef7

SHA256
6ba76879fc38611196e67e74c294a01a2faf35ec40538a17d255504e4bf0d607

SHA512
e776dc411f098be3195b538780f0216adf832997852a68a95102d31ef5555459fd96b19f634ed52e71e60601399e281c20cbb95f6bfe9edcef10167daecb1ef2

Download Submit
memory/2848-141-0x0000000000000000-mapping.dmp

Download
memory/3012-139-0x0000000006300000-0x0000000006366000-memory.dmp

Filesize
408KB

Download
memory/3012-137-0x0000000000000000-mapping.dmp

Download
memory/3012-138-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3012-142-0x0000000006B40000-0x0000000006B90000-memory.dmp

Filesize
320KB

Download
memory/3448-140-0x0000000000000000-mapping.dmp

Download
memory/3676-133-0x00000000051F0000-0x00000000051FA000-memory.dmp

Filesize
40KB

Download
memory/3676-134-0x0000000007750000-0x00000000077EC000-memory.dmp

Filesize
624KB

Download
memory/3676-132-0x0000000005210000-0x00000000052A2000-memory.dmp

Filesize
584KB

Download
memory/3676-130-0x0000000000900000-0x000000000098A000-memory.dmp

Filesize
552KB

Download
memory/3676-131-0x0000000005720000-0x0000000005CC4000-memory.dmp

Filesize
5.6MB

Download
memory/4980-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads