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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1096-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1096-127-0x00000000004377FE-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:

6.exe

description pid process target process

PID 500 set thread context of 1096 500 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

3668 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

6.exeRegSvcs.exe

pid process

500 6.exe
1096 RegSvcs.exe
1096 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

6.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 500 6.exe
Token: SeDebugPrivilege 1096 RegSvcs.exe

description	pid	process	target process
PID 500 set thread context of 1096	500	6.exe	RegSvcs.exe

pid	process
3668	schtasks.exe

pid	process
500	6.exe
1096	RegSvcs.exe
1096	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	500	6.exe
Token: SeDebugPrivilege	1096	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

6.exe

description	pid	process	target process
PID 500 wrote to memory of 3668	500	6.exe	schtasks.exe
PID 500 wrote to memory of 3668	500	6.exe	schtasks.exe
PID 500 wrote to memory of 3668	500	6.exe	schtasks.exe
PID 500 wrote to memory of 1096	500	6.exe	RegSvcs.exe
PID 500 wrote to memory of 1096	500	6.exe	RegSvcs.exe
PID 500 wrote to memory of 1096	500	6.exe	RegSvcs.exe
PID 500 wrote to memory of 1096	500	6.exe	RegSvcs.exe
PID 500 wrote to memory of 1096	500	6.exe	RegSvcs.exe
PID 500 wrote to memory of 1096	500	6.exe	RegSvcs.exe
PID 500 wrote to memory of 1096	500	6.exe	RegSvcs.exe
PID 500 wrote to memory of 1096	500	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:500

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xCNwWX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB2A.tmp"
2⤵
- Creates scheduled task(s)
PID:3668

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:1096

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAB2A.tmp
MD5
8cec9ab176229e830ea7ee448aaa3352

SHA1
047d4d30060bc62f55c4bc6db118d5c0115e2ec5

SHA256
6a2c256de116d9dbdc23c7f43c235d0b8cb67d9639ac3b8dd5f893d51c5f1b49

SHA512
957e266c060bb58c4a67871be93a79be6145b3df225b57a9f4e348118a43f6bf2253027cf9f96269493bd1e885769527ec26cda8511761a7684c5d691a415b27

Download Submit
memory/500-123-0x000000000AD20000-0x000000000ADB2000-memory.dmp

Filesize
584KB

Download
memory/500-116-0x00000000051D0000-0x00000000051D1000-memory.dmp

Filesize
4KB

Download
memory/500-118-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

Download
memory/500-119-0x0000000004CD0000-0x00000000051CE000-memory.dmp

Filesize
5.0MB

Download
memory/500-120-0x0000000004F00000-0x0000000004F0E000-memory.dmp

Filesize
56KB

Download
memory/500-121-0x00000000068C0000-0x00000000068C1000-memory.dmp

Filesize
4KB

Download
memory/500-117-0x0000000004D70000-0x0000000004D71000-memory.dmp

Filesize
4KB

Download
memory/500-114-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/500-122-0x0000000008550000-0x0000000008625000-memory.dmp

Filesize
852KB

Download
memory/1096-126-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1096-127-0x00000000004377FE-mapping.dmp

Download
memory/1096-132-0x00000000052B0000-0x00000000052B1000-memory.dmp

Filesize
4KB

Download
memory/1096-133-0x0000000002D10000-0x0000000002D11000-memory.dmp

Filesize
4KB

Download
memory/1096-134-0x0000000005ED0000-0x0000000005ED1000-memory.dmp

Filesize
4KB

Download
memory/3668-124-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads