agenttesla | fcd76be54e0e1491dafca9479963dd703cc32650389295a69204ba5cfed8c1d4

General

Target

[C38226] #TD JMMasuda_Mfg.exe
Size

575KB
MD5

5c3ebfee342ed55ad799a2498264bb74
SHA1

4d34d2ed85495eacf1c212efc42f1416ab1ab3fe
SHA256

cec63a7a18270b5f0115e58279c986e20fb5b2fb16ea1d2c4b57849d0456b827
SHA512

b3e91bf448942cd096cf66afd88be1c30b71d9f6d5ea02c9768adcddb7188b48923cfe08bfae02374c4ccc34cb44223672ff97a3b0f94ce88f81fd02b767a879

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.justrghtinc.com
Port:
587
Username:
[email protected]
Password:
h~pd6Qw0}z+Y

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/1072-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1072-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1072-67-0x0000000000446EEE-mapping.dmp	family_agenttesla
behavioral1/memory/1072-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1072-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1072-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

[C38226] #TD JMMasuda_Mfg.exe

description pid process target process

PID 2008 set thread context of 1072 2008 [C38226] #TD JMMasuda_Mfg.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
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

1372 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

[C38226] #TD JMMasuda_Mfg.exeRegSvcs.exe

pid process

2008 [C38226] #TD JMMasuda_Mfg.exe
2008 [C38226] #TD JMMasuda_Mfg.exe
2008 [C38226] #TD JMMasuda_Mfg.exe
1072 RegSvcs.exe
1072 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

[C38226] #TD JMMasuda_Mfg.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2008 [C38226] #TD JMMasuda_Mfg.exe
Token: SeDebugPrivilege 1072 RegSvcs.exe

description	pid	process	target process
PID 2008 set thread context of 1072	2008	[C38226] #TD JMMasuda_Mfg.exe	RegSvcs.exe

pid	process
1372	schtasks.exe

pid	process
2008	[C38226] #TD JMMasuda_Mfg.exe
2008	[C38226] #TD JMMasuda_Mfg.exe
2008	[C38226] #TD JMMasuda_Mfg.exe
1072	RegSvcs.exe
1072	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2008	[C38226] #TD JMMasuda_Mfg.exe
Token: SeDebugPrivilege	1072	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

[C38226] #TD JMMasuda_Mfg.exe

description	pid	process	target process
PID 2008 wrote to memory of 1372	2008	[C38226] #TD JMMasuda_Mfg.exe	schtasks.exe
PID 2008 wrote to memory of 1372	2008	[C38226] #TD JMMasuda_Mfg.exe	schtasks.exe
PID 2008 wrote to memory of 1372	2008	[C38226] #TD JMMasuda_Mfg.exe	schtasks.exe
PID 2008 wrote to memory of 1372	2008	[C38226] #TD JMMasuda_Mfg.exe	schtasks.exe
PID 2008 wrote to memory of 1072	2008	[C38226] #TD JMMasuda_Mfg.exe	RegSvcs.exe
PID 2008 wrote to memory of 1072	2008	[C38226] #TD JMMasuda_Mfg.exe	RegSvcs.exe
PID 2008 wrote to memory of 1072	2008	[C38226] #TD JMMasuda_Mfg.exe	RegSvcs.exe
PID 2008 wrote to memory of 1072	2008	[C38226] #TD JMMasuda_Mfg.exe	RegSvcs.exe
PID 2008 wrote to memory of 1072	2008	[C38226] #TD JMMasuda_Mfg.exe	RegSvcs.exe
PID 2008 wrote to memory of 1072	2008	[C38226] #TD JMMasuda_Mfg.exe	RegSvcs.exe
PID 2008 wrote to memory of 1072	2008	[C38226] #TD JMMasuda_Mfg.exe	RegSvcs.exe
PID 2008 wrote to memory of 1072	2008	[C38226] #TD JMMasuda_Mfg.exe	RegSvcs.exe
PID 2008 wrote to memory of 1072	2008	[C38226] #TD JMMasuda_Mfg.exe	RegSvcs.exe
PID 2008 wrote to memory of 1072	2008	[C38226] #TD JMMasuda_Mfg.exe	RegSvcs.exe
PID 2008 wrote to memory of 1072	2008	[C38226] #TD JMMasuda_Mfg.exe	RegSvcs.exe
PID 2008 wrote to memory of 1072	2008	[C38226] #TD JMMasuda_Mfg.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.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	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.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	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\[C38226] #TD JMMasuda_Mfg.exe
"C:\Users\Admin\AppData\Local\Temp\[C38226] #TD JMMasuda_Mfg.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zXiwfhYgxzU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC60E.tmp"
2⤵
- Creates scheduled task(s)
PID:1372

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1072

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC60E.tmp
Filesize
1KB

MD5
328356ccd87b6170f7d0983f6640c109

SHA1
158aea56a1afcadd954853101a9a97c6f7874434

SHA256
85d1d5b4a380131b126cec8351f0a416d27a6e57be9e725133cf1cc121b4630b

SHA512
7b4c4acbd2347018069dc7cfec6e3b37aa60ae0b11cdc848bd2d8b941896d2ec34efcdf44fdbe0cfac539b7a8daf2a8c2c9cd049672af7a62437a2cdc87fd50b

Download Submit
memory/1072-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1072-67-0x0000000000446EEE-mapping.dmp

Download
memory/1072-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1072-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1072-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1072-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1072-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1072-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1372-59-0x0000000000000000-mapping.dmp

Download
memory/2008-54-0x0000000001100000-0x0000000001196000-memory.dmp

Filesize
600KB

Download
memory/2008-55-0x0000000075DB1000-0x0000000075DB3000-memory.dmp

Filesize
8KB

Download
memory/2008-56-0x0000000000250000-0x0000000000260000-memory.dmp

Filesize
64KB

Download
memory/2008-58-0x00000000053B0000-0x00000000053FC000-memory.dmp

Filesize
304KB

Download
memory/2008-57-0x0000000000FE0000-0x0000000001042000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads