agenttesla | 2481241b84bb15bca083f8b3f1267df8259d3ae97e8e58800b98bb994eabcbf5

General

Target

Shipping_Details.exe
Size

1016KB
MD5

a2147a20475e9d28619a453b136d243a
SHA1

f9b09fbe81859deba4deef7085fe5eab2e0678dd
SHA256

2481241b84bb15bca083f8b3f1267df8259d3ae97e8e58800b98bb994eabcbf5
SHA512

3011b62b9d02ed8586238c56f823d23d4cbb1ceae33edd360c8c65bcd868fa4557f9d1ff1bc6caaf40c9b33d52775ccc9d2d5d7e224ec51e8f67200ab49f7410

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

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

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/1596-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1596-11-0x000000000043783E-mapping.dmp	family_agenttesla
behavioral1/memory/1596-13-0x0000000000400000-0x000000000043C000-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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\lEmohP = "C:\\Users\\Admin\\AppData\\Roaming\\lEmohP\\lEmohP.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Shipping_Details.exe

description pid process target process

PID 1684 set thread context of 1596 1684 Shipping_Details.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

1188 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1596 RegSvcs.exe
1596 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Shipping_Details.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1684 Shipping_Details.exe
Token: SeDebugPrivilege 1596 RegSvcs.exe

description	pid	process	target process
PID 1684 set thread context of 1596	1684	Shipping_Details.exe	RegSvcs.exe

pid	process
1188	schtasks.exe

pid	process
1596	RegSvcs.exe
1596	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1684	Shipping_Details.exe
Token: SeDebugPrivilege	1596	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Shipping_Details.exe

description	pid	process	target process
PID 1684 wrote to memory of 1188	1684	Shipping_Details.exe	schtasks.exe
PID 1684 wrote to memory of 1188	1684	Shipping_Details.exe	schtasks.exe
PID 1684 wrote to memory of 1188	1684	Shipping_Details.exe	schtasks.exe
PID 1684 wrote to memory of 1188	1684	Shipping_Details.exe	schtasks.exe
PID 1684 wrote to memory of 1596	1684	Shipping_Details.exe	RegSvcs.exe
PID 1684 wrote to memory of 1596	1684	Shipping_Details.exe	RegSvcs.exe
PID 1684 wrote to memory of 1596	1684	Shipping_Details.exe	RegSvcs.exe
PID 1684 wrote to memory of 1596	1684	Shipping_Details.exe	RegSvcs.exe
PID 1684 wrote to memory of 1596	1684	Shipping_Details.exe	RegSvcs.exe
PID 1684 wrote to memory of 1596	1684	Shipping_Details.exe	RegSvcs.exe
PID 1684 wrote to memory of 1596	1684	Shipping_Details.exe	RegSvcs.exe
PID 1684 wrote to memory of 1596	1684	Shipping_Details.exe	RegSvcs.exe
PID 1684 wrote to memory of 1596	1684	Shipping_Details.exe	RegSvcs.exe
PID 1684 wrote to memory of 1596	1684	Shipping_Details.exe	RegSvcs.exe
PID 1684 wrote to memory of 1596	1684	Shipping_Details.exe	RegSvcs.exe
PID 1684 wrote to memory of 1596	1684	Shipping_Details.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Shipping_Details.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping_Details.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nDEzTGZnnrzECf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD691.tmp"
2⤵
- Creates scheduled task(s)
PID:1188

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:1596

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\tmpD691.tmp
MD5
972456164c2eb7ea48afe9040f0ec40b

SHA1
12e72e68f4c2cddd2f3bf5d3265e09b0eb659930

SHA256
0d28dfac9740f32daf38ba2bac7387bd8c79626455d9542aeea92799255e9ebe

SHA512
d7a907b9ba3f279a09b00c258b57513609cfa7b723353f06f5822d117bef53ffd2caeb7fd9d7f8aaf329d6d98bbb74bef777d84b3a9167e350e80228f5537750

Download Submit
memory/1188-8-0x0000000000000000-mapping.dmp

Download
memory/1596-12-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/1596-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1596-11-0x000000000043783E-mapping.dmp

Download
memory/1596-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1596-15-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

Filesize
4KB

Download
memory/1596-16-0x0000000001ED1000-0x0000000001ED2000-memory.dmp

Filesize
4KB

Download
memory/1684-6-0x00000000004B0000-0x00000000004D3000-memory.dmp

Filesize
140KB

Download
memory/1684-7-0x0000000004F90000-0x0000000005008000-memory.dmp

Filesize
480KB

Download
memory/1684-5-0x0000000000D30000-0x0000000000D31000-memory.dmp

Filesize
4KB

Download
memory/1684-3-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/1684-2-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads