agenttesla | 67ad8ce9502073afd22ec0e50f9180c4ef39b943d5163456b4cb2d2119287f14

General

Target

RFQ #120032020.exe
Size

436KB
MD5

21add8a8d267dd8ee406d587f4fd9aad
SHA1

f98f2159ae8ca3aa605f1e3bd52df3df97e2db3e
SHA256

023868121ca6645fc5fe59e01180a4b1bfd9e9d659fd2d93a9a122d18d7687b6
SHA512

b8fae526d9aa21adba529243bb729f193268440626104a6edbd96f15a2b31443bb8a404b9ee80b7a16e1f41365528796b3ce2fdaf94bfbd87ec880b179ffc95a

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.pro-powersourcing.com
Port:
587
Username:
vivi@pro-powersourcing.com
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/1408-137-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

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:

RFQ #120032020.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	RFQ #120032020.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ #120032020.exe

description pid process target process

PID 4776 set thread context of 1408 4776 RFQ #120032020.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

4916 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1408 RegSvcs.exe
1408 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1408 RegSvcs.exe

description	pid	process	target process
PID 4776 set thread context of 1408	4776	RFQ #120032020.exe	RegSvcs.exe

pid	process
4916	schtasks.exe

pid	process
1408	RegSvcs.exe
1408	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1408	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

RFQ #120032020.exe

description	pid	process	target process
PID 4776 wrote to memory of 4916	4776	RFQ #120032020.exe	schtasks.exe
PID 4776 wrote to memory of 4916	4776	RFQ #120032020.exe	schtasks.exe
PID 4776 wrote to memory of 4916	4776	RFQ #120032020.exe	schtasks.exe
PID 4776 wrote to memory of 1408	4776	RFQ #120032020.exe	RegSvcs.exe
PID 4776 wrote to memory of 1408	4776	RFQ #120032020.exe	RegSvcs.exe
PID 4776 wrote to memory of 1408	4776	RFQ #120032020.exe	RegSvcs.exe
PID 4776 wrote to memory of 1408	4776	RFQ #120032020.exe	RegSvcs.exe
PID 4776 wrote to memory of 1408	4776	RFQ #120032020.exe	RegSvcs.exe
PID 4776 wrote to memory of 1408	4776	RFQ #120032020.exe	RegSvcs.exe
PID 4776 wrote to memory of 1408	4776	RFQ #120032020.exe	RegSvcs.exe
PID 4776 wrote to memory of 1408	4776	RFQ #120032020.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\RFQ #120032020.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ #120032020.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4776

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rCWhkdR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp581E.tmp"
2⤵
- Creates scheduled task(s)
PID:4916

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1408

Network

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

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp581E.tmp
Filesize
1KB

MD5
f8bb03eb76c0a1c06bea209346ecf871

SHA1
9bac864c03cccdb2252ffe36c85e0faeb8b1c93f

SHA256
881c20932295ae31795d712039db6b2711d32111fedf74a07ccebeb333f7163d

SHA512
d9fb1239e8fa60255f336b557cf5b8772e6f9005fbf968752c7225f9199b03149a0f39acd6c300fd9f7e6a9be27466281cebadd3f1e15f2441d478c828b45b59

Download Submit
memory/1408-136-0x0000000000000000-mapping.dmp

Download
memory/1408-137-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1408-138-0x0000000005CE0000-0x0000000005D46000-memory.dmp

Filesize
408KB

Download
memory/4776-130-0x0000000000670000-0x00000000006E4000-memory.dmp

Filesize
464KB

Download
memory/4776-131-0x0000000005020000-0x00000000050BC000-memory.dmp

Filesize
624KB

Download
memory/4776-132-0x0000000005160000-0x00000000051F2000-memory.dmp

Filesize
584KB

Download
memory/4776-133-0x0000000006080000-0x0000000006624000-memory.dmp

Filesize
5.6MB

Download
memory/4916-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads