agenttesla | 7b3f4356dee4abc9afc695a46d21c17c97e8fe6824718fb8720a66ed4e2a6dc9

General

Target

SOA.exe
Size

687KB
MD5

95cbcdfe7d89c89c759303a0e845d8b1
SHA1

3950ee91663e1142e889208c474ebc7d36995d5c
SHA256

f82fcb01f1334b2885bc090c3bc8bc587f64919b9739e95ffe12c9e5d5bc11cd
SHA512

c00438306fe5bfae406db98ea71779745ebbe4643c2993fb12a47a13dca2de5c71ec40a81cbf8d9e7ad3901b6921ef9e46d7bd01d597c89df6a494ed20493e31

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.palcoman.com
Port:
587
Username:
[email protected]
Password:
GgwWVBJ5

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/1520-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1520-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1520-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1520-67-0x000000000044748E-mapping.dmp	family_agenttesla
behavioral1/memory/1520-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1520-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\gKWBf = "C:\\Users\\Admin\\AppData\\Roaming\\gKWBf\\gKWBf.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SOA.exe

description pid process target process

PID 848 set thread context of 1520 848 SOA.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

1764 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1444 REG.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

SOA.exeRegSvcs.exe

pid process

848 SOA.exe
848 SOA.exe
848 SOA.exe
1520 RegSvcs.exe
1520 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 848 SOA.exe
Token: SeDebugPrivilege 1520 RegSvcs.exe

description	pid	process	target process
PID 848 set thread context of 1520	848	SOA.exe	RegSvcs.exe

pid	process
1764	schtasks.exe

pid	process
1444	REG.exe

pid	process
848	SOA.exe
848	SOA.exe
848	SOA.exe
1520	RegSvcs.exe
1520	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	848	SOA.exe
Token: SeDebugPrivilege	1520	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

SOA.exeRegSvcs.exe

description	pid	process	target process
PID 848 wrote to memory of 1764	848	SOA.exe	schtasks.exe
PID 848 wrote to memory of 1764	848	SOA.exe	schtasks.exe
PID 848 wrote to memory of 1764	848	SOA.exe	schtasks.exe
PID 848 wrote to memory of 1764	848	SOA.exe	schtasks.exe
PID 848 wrote to memory of 1520	848	SOA.exe	RegSvcs.exe
PID 848 wrote to memory of 1520	848	SOA.exe	RegSvcs.exe
PID 848 wrote to memory of 1520	848	SOA.exe	RegSvcs.exe
PID 848 wrote to memory of 1520	848	SOA.exe	RegSvcs.exe
PID 848 wrote to memory of 1520	848	SOA.exe	RegSvcs.exe
PID 848 wrote to memory of 1520	848	SOA.exe	RegSvcs.exe
PID 848 wrote to memory of 1520	848	SOA.exe	RegSvcs.exe
PID 848 wrote to memory of 1520	848	SOA.exe	RegSvcs.exe
PID 848 wrote to memory of 1520	848	SOA.exe	RegSvcs.exe
PID 848 wrote to memory of 1520	848	SOA.exe	RegSvcs.exe
PID 848 wrote to memory of 1520	848	SOA.exe	RegSvcs.exe
PID 848 wrote to memory of 1520	848	SOA.exe	RegSvcs.exe
PID 1520 wrote to memory of 1444	1520	RegSvcs.exe	REG.exe
PID 1520 wrote to memory of 1444	1520	RegSvcs.exe	REG.exe
PID 1520 wrote to memory of 1444	1520	RegSvcs.exe	REG.exe
PID 1520 wrote to memory of 1444	1520	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"C:\Users\Admin\AppData\Local\Temp\SOA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:848

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AfRYffCadnbirk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2379.tmp"
2⤵
- Creates scheduled task(s)
PID:1764

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:1520

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:1444

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2379.tmp
Filesize
1KB

MD5
53c2b186bbcc0b8c7645746fbf08d54f

SHA1
e4b63a705284810b2718c5fc6bf5c3a12d7cfa46

SHA256
ddbf6facfaae1928b7743f00b1159ee131566ba3bf58ade1c21d070520890efe

SHA512
0802438d751b2fea9b909254a4066dffd518136fdd4d56c895595e51216aa699270fc0559164ec0d786ecdbb9332121c76551d228d30cafc62fa375c924462d5

Download Submit
memory/848-54-0x0000000000C50000-0x0000000000D02000-memory.dmp

Filesize
712KB

Download
memory/848-55-0x0000000075951000-0x0000000075953000-memory.dmp

Filesize
8KB

Download
memory/848-56-0x0000000000610000-0x0000000000620000-memory.dmp

Filesize
64KB

Download
memory/848-57-0x0000000004F30000-0x0000000004F98000-memory.dmp

Filesize
416KB

Download
memory/848-58-0x00000000050D0000-0x000000000511C000-memory.dmp

Filesize
304KB

Download
memory/1444-73-0x0000000000000000-mapping.dmp

Download
memory/1520-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1520-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1520-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1520-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1520-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1520-67-0x000000000044748E-mapping.dmp

Download
memory/1520-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1520-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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