agenttesla | 71e6c949b0e259018b39ad513305c9197afe74c9d68119db8e6e545c74ceedcb

General

Target

6.exe
Size

1.4MB
MD5

1f78302367062565a269db810ef754c2
SHA1

69e53724804535362ee687bfa37059f965eb7931
SHA256

71e6c949b0e259018b39ad513305c9197afe74c9d68119db8e6e545c74ceedcb
SHA512

874815ad70c20b9e33dd09e2701d5b630c8ecb354d42e3bacf3e9864f752274da3db654d3bd29711a47afa73e7f3203c233fc8f1b2bc404d596537e918a2eb06

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.mdist.us
Port:
587
Username:
jg@mdist.us
Password:
Jg#4321

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1500-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1500-69-0x00000000004377FE-mapping.dmp	family_agenttesla
behavioral1/memory/1500-70-0x0000000000400000-0x000000000043C000-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

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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\ppptOL = "C:\\Users\\Admin\\AppData\\Roaming\\ppptOL\\ppptOL.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6.exe

description pid process target process

PID 484 set thread context of 1500 484 6.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

832 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

6.exeRegSvcs.exe

pid process

484 6.exe
1500 RegSvcs.exe
1500 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

6.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 484 6.exe
Token: SeDebugPrivilege 1500 RegSvcs.exe

description	pid	process	target process
PID 484 set thread context of 1500	484	6.exe	RegSvcs.exe

pid	process
832	schtasks.exe

pid	process
484	6.exe
1500	RegSvcs.exe
1500	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	484	6.exe
Token: SeDebugPrivilege	1500	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

6.exe

description	pid	process	target process
PID 484 wrote to memory of 832	484	6.exe	schtasks.exe
PID 484 wrote to memory of 832	484	6.exe	schtasks.exe
PID 484 wrote to memory of 832	484	6.exe	schtasks.exe
PID 484 wrote to memory of 832	484	6.exe	schtasks.exe
PID 484 wrote to memory of 1500	484	6.exe	RegSvcs.exe
PID 484 wrote to memory of 1500	484	6.exe	RegSvcs.exe
PID 484 wrote to memory of 1500	484	6.exe	RegSvcs.exe
PID 484 wrote to memory of 1500	484	6.exe	RegSvcs.exe
PID 484 wrote to memory of 1500	484	6.exe	RegSvcs.exe
PID 484 wrote to memory of 1500	484	6.exe	RegSvcs.exe
PID 484 wrote to memory of 1500	484	6.exe	RegSvcs.exe
PID 484 wrote to memory of 1500	484	6.exe	RegSvcs.exe
PID 484 wrote to memory of 1500	484	6.exe	RegSvcs.exe
PID 484 wrote to memory of 1500	484	6.exe	RegSvcs.exe
PID 484 wrote to memory of 1500	484	6.exe	RegSvcs.exe
PID 484 wrote to memory of 1500	484	6.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\6.exe
"C:\Users\Admin\AppData\Local\Temp\6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:484

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xCNwWX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB7CB.tmp"
2⤵
- Creates scheduled task(s)
PID:832

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:1500

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\tmpB7CB.tmp
MD5
542d221007cc11f7f4404501733ba4be

SHA1
64d4cbf7d141aeb0cbd277f88cbf576e845dad45

SHA256
250cfe0d5e92e1f82f48c5cf518d6c6b2331b01e91901fd5c95762fdf6f67c17

SHA512
1ae94869a7b15edade6db8aa457d64576c10d3a1bd8c56d1b3e6cc4338fc6cfcd954e7815c4b3952f48bf9d66de7f263660eab8721194b85d0fa4aaeb47bcc73

Download Submit
memory/484-60-0x0000000000F50000-0x0000000000F51000-memory.dmp

Filesize
4KB

Download
memory/484-62-0x0000000005040000-0x0000000005041000-memory.dmp

Filesize
4KB

Download
memory/484-63-0x00000000008F0000-0x00000000008FE000-memory.dmp

Filesize
56KB

Download
memory/484-64-0x0000000008160000-0x0000000008235000-memory.dmp

Filesize
852KB

Download
memory/484-65-0x0000000005F50000-0x0000000005FE2000-memory.dmp

Filesize
584KB

Download
memory/832-66-0x0000000000000000-mapping.dmp

Download
memory/1500-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1500-69-0x00000000004377FE-mapping.dmp

Download
memory/1500-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1500-72-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1500-73-0x0000000000221000-0x0000000000222000-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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Downloads