agenttesla | 0e8f5b7bb9a8fb551c67b15bd74cf530324e939b8acd491fac54a7a64a51b568

General

Target

Ningbo_Outstanding_Payments.exe
Size

1.2MB
MD5

fa7f7b4b92e71a14bd56f292ab142c89
SHA1

9804cd46c5bd25e805865f83006bb42c01c6fd2f
SHA256

0e8f5b7bb9a8fb551c67b15bd74cf530324e939b8acd491fac54a7a64a51b568
SHA512

d0bafb20dad0376cb5f417d6ac8e56bf613b3084f4b216b4e10b87cbecd40f06eddd665a9abbb2736085f316906ba73b0591a268aafd4dd62645ec3b943b1511

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.mdist.us
Port:
587
Username:
[email protected]
Password:
pos#4321

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4040-127-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4040-128-0x000000000043781E-mapping.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

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-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\ppptOL = "C:\\Users\\Admin\\AppData\\Roaming\\ppptOL\\ppptOL.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Ningbo_Outstanding_Payments.exe

description pid process target process

PID 3916 set thread context of 4040 3916 Ningbo_Outstanding_Payments.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

3480 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Ningbo_Outstanding_Payments.exeRegSvcs.exe

pid process

3916 Ningbo_Outstanding_Payments.exe
4040 RegSvcs.exe
4040 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Ningbo_Outstanding_Payments.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3916 Ningbo_Outstanding_Payments.exe
Token: SeDebugPrivilege 4040 RegSvcs.exe

description	pid	process	target process
PID 3916 set thread context of 4040	3916	Ningbo_Outstanding_Payments.exe	RegSvcs.exe

pid	process
3480	schtasks.exe

pid	process
3916	Ningbo_Outstanding_Payments.exe
4040	RegSvcs.exe
4040	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3916	Ningbo_Outstanding_Payments.exe
Token: SeDebugPrivilege	4040	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Ningbo_Outstanding_Payments.exe

description	pid	process	target process
PID 3916 wrote to memory of 3480	3916	Ningbo_Outstanding_Payments.exe	schtasks.exe
PID 3916 wrote to memory of 3480	3916	Ningbo_Outstanding_Payments.exe	schtasks.exe
PID 3916 wrote to memory of 3480	3916	Ningbo_Outstanding_Payments.exe	schtasks.exe
PID 3916 wrote to memory of 4040	3916	Ningbo_Outstanding_Payments.exe	RegSvcs.exe
PID 3916 wrote to memory of 4040	3916	Ningbo_Outstanding_Payments.exe	RegSvcs.exe
PID 3916 wrote to memory of 4040	3916	Ningbo_Outstanding_Payments.exe	RegSvcs.exe
PID 3916 wrote to memory of 4040	3916	Ningbo_Outstanding_Payments.exe	RegSvcs.exe
PID 3916 wrote to memory of 4040	3916	Ningbo_Outstanding_Payments.exe	RegSvcs.exe
PID 3916 wrote to memory of 4040	3916	Ningbo_Outstanding_Payments.exe	RegSvcs.exe
PID 3916 wrote to memory of 4040	3916	Ningbo_Outstanding_Payments.exe	RegSvcs.exe
PID 3916 wrote to memory of 4040	3916	Ningbo_Outstanding_Payments.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Ningbo_Outstanding_Payments.exe
"C:\Users\Admin\AppData\Local\Temp\Ningbo_Outstanding_Payments.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3916

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zCJsQTdfOlqeJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA9C3.tmp"
2⤵
- Creates scheduled task(s)
PID:3480

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA9C3.tmp

MD5
9eedf66cdeafc793e659d47549af3a1d

SHA1
3dc2d01dbbc33cf807c21707f040e0f5b0b690b0

SHA256
f144d9d8eb09142571981ab8bad26aac6add231f27cf8010f47825d263961dd6

SHA512
0f4b9d5ff9b0ef87491a20fb6ed840fe77a553fd25c45aa11f6c348ad483285ebc10ff5ab65b4efd4b01a8b85a93e23cd6c76b05aa4ecf51b4a6a2fadee464ef

Download Submit
memory/3480-125-0x0000000000000000-mapping.dmp

Download
memory/3916-123-0x0000000005730000-0x00000000057D9000-memory.dmp

Filesize
676KB

Download
memory/3916-124-0x00000000067E0000-0x0000000006845000-memory.dmp

Filesize
404KB

Download
memory/3916-119-0x0000000005270000-0x0000000005271000-memory.dmp

Filesize
4KB

Download
memory/3916-120-0x0000000005100000-0x0000000005101000-memory.dmp

Filesize
4KB

Download
memory/3916-121-0x000000000DD20000-0x000000000DD21000-memory.dmp

Filesize
4KB

Download
memory/3916-122-0x0000000005280000-0x0000000005285000-memory.dmp

Filesize
20KB

Download
memory/3916-114-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/3916-118-0x000000000A570000-0x000000000A571000-memory.dmp

Filesize
4KB

Download
memory/3916-117-0x000000000AA70000-0x000000000AA71000-memory.dmp

Filesize
4KB

Download
memory/3916-116-0x00000000074D0000-0x0000000007570000-memory.dmp

Filesize
640KB

Download
memory/4040-127-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4040-128-0x000000000043781E-mapping.dmp

Download
memory/4040-133-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

Filesize
4KB

Download
memory/4040-134-0x0000000005BE0000-0x0000000005BE1000-memory.dmp

Filesize
4KB

Download
memory/4040-135-0x0000000005C80000-0x0000000005C81000-memory.dmp

Filesize
4KB

Download
memory/4040-138-0x0000000004FD1000-0x0000000004FD2000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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