agenttesla | 1d35fbe1961f63fcc426c5a332d5dfc93dd051ecdfd17ea47790f80f22171ce1

General

Target

INVOICE_(F46-13 ).exe
Size

1.1MB
MD5

19051a2ab285284f277ec3c35bf3784f
SHA1

bf0c7dac253ef3a1229103066b6be4c5f87e4939
SHA256

1d35fbe1961f63fcc426c5a332d5dfc93dd051ecdfd17ea47790f80f22171ce1
SHA512

3f898dd4cc2640a7fdd453cc797bdc3591975336acaeecda1053e8ad47b8cbb970ad2e52bde05f548b12c36036cc87eab5cf7571d96fc74019520cecbd9dfc0b

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.transgear.in
Port:
587
Username:
purchase@transgear.in
Password:
purchase@2020*

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/3244-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3244-18-0x000000000043783E-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-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\lEmohP = "C:\\Users\\Admin\\AppData\\Roaming\\lEmohP\\lEmohP.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

INVOICE_(F46-13 ).exe

description pid process target process

PID 4648 set thread context of 3244 4648 INVOICE_(F46-13 ).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

1880 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

INVOICE_(F46-13 ).exeRegSvcs.exe

pid process

4648 INVOICE_(F46-13 ).exe
3244 RegSvcs.exe
3244 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

INVOICE_(F46-13 ).exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4648 INVOICE_(F46-13 ).exe
Token: SeDebugPrivilege 3244 RegSvcs.exe

description	pid	process	target process
PID 4648 set thread context of 3244	4648	INVOICE_(F46-13 ).exe	RegSvcs.exe

pid	process
1880	schtasks.exe

pid	process
4648	INVOICE_(F46-13 ).exe
3244	RegSvcs.exe
3244	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4648	INVOICE_(F46-13 ).exe
Token: SeDebugPrivilege	3244	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

INVOICE_(F46-13 ).exe

description	pid	process	target process
PID 4648 wrote to memory of 1880	4648	INVOICE_(F46-13 ).exe	schtasks.exe
PID 4648 wrote to memory of 1880	4648	INVOICE_(F46-13 ).exe	schtasks.exe
PID 4648 wrote to memory of 1880	4648	INVOICE_(F46-13 ).exe	schtasks.exe
PID 4648 wrote to memory of 3244	4648	INVOICE_(F46-13 ).exe	RegSvcs.exe
PID 4648 wrote to memory of 3244	4648	INVOICE_(F46-13 ).exe	RegSvcs.exe
PID 4648 wrote to memory of 3244	4648	INVOICE_(F46-13 ).exe	RegSvcs.exe
PID 4648 wrote to memory of 3244	4648	INVOICE_(F46-13 ).exe	RegSvcs.exe
PID 4648 wrote to memory of 3244	4648	INVOICE_(F46-13 ).exe	RegSvcs.exe
PID 4648 wrote to memory of 3244	4648	INVOICE_(F46-13 ).exe	RegSvcs.exe
PID 4648 wrote to memory of 3244	4648	INVOICE_(F46-13 ).exe	RegSvcs.exe
PID 4648 wrote to memory of 3244	4648	INVOICE_(F46-13 ).exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE_(F46-13 ).exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE_(F46-13 ).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vHAbZda" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D1E.tmp"
2⤵
- Creates scheduled task(s)
PID:1880

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3244

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

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1D1E.tmp
MD5
6fadcf8958a820ab82f94386f4e204e3

SHA1
8b028aca426becf64e11322b5df0549aaa51b914

SHA256
4ce1941a81161f3876a88e235b66bb8f892aa0c725f7cbe7b6db7e198293d37d

SHA512
da6e2a27ec18aa71fd8091425e4f4a72802411baa960189003feb07f6bf9b5f9dba12289f3642c0774b25f4b485c8090fcdf9234ec040543088abcaf4e9adb86

Download Submit
memory/1880-15-0x0000000000000000-mapping.dmp

Download
memory/3244-25-0x0000000006030000-0x0000000006031000-memory.dmp

Filesize
4KB

Download
memory/3244-24-0x0000000005410000-0x0000000005411000-memory.dmp

Filesize
4KB

Download
memory/3244-19-0x0000000073E30000-0x000000007451E000-memory.dmp

Filesize
6.9MB

Download
memory/3244-18-0x000000000043783E-mapping.dmp

Download
memory/3244-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4648-7-0x0000000005880000-0x0000000005881000-memory.dmp

Filesize
4KB

Download
memory/4648-11-0x0000000046EC0000-0x0000000046F17000-memory.dmp

Filesize
348KB

Download
memory/4648-12-0x00000000057D0000-0x00000000057D8000-memory.dmp

Filesize
32KB

Download
memory/4648-14-0x0000000047110000-0x000000004714A000-memory.dmp

Filesize
232KB

Download
memory/4648-10-0x0000000026C60000-0x0000000046C48000-memory.dmp

Filesize
511.9MB

Download
memory/4648-9-0x00000000059E0000-0x00000000059E1000-memory.dmp

Filesize
4KB

Download
memory/4648-8-0x00000000056E0000-0x00000000056E1000-memory.dmp

Filesize
4KB

Download
memory/4648-2-0x0000000073E30000-0x000000007451E000-memory.dmp

Filesize
6.9MB

Download
memory/4648-6-0x0000000005D80000-0x0000000005D81000-memory.dmp

Filesize
4KB

Download
memory/4648-5-0x00000000057E0000-0x00000000057E1000-memory.dmp

Filesize
4KB

Download
memory/4648-3-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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