agenttesla | d14fcc47dbb1485202b6df1ec654b469047311105ac7c4c02b2bf0e1d8ffaa52

Analysis

max time kernel
143s
max time network
110s
platform
windows10_x64
resource
win10v20201028
submitted
03/03/2021, 10:48

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General

Target
Statement of Account.exe
Size 887KB
Sample210303-lv76pgpxpx
SHA256 d14fcc47dbb1485202b6df1ec654b469047311105ac7c4c02b2bf0e1d8ffaa52
MD5 3f1b98d7aff225627380a7975d25bf1a
SHA1 a47d512db1fc00c040fd92fbfb10cf63eb1d1a3d
SHA512 1a75307b2c6362dbff2153e47f0cd9f5295794f9b849f5aab9757375a08a31c33fb5794312dc45ab45e9a63eb80044a96fdc04a04cf728df677319dcf984adb0
MD5 SHA1 SHA512

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 2 IoCs

resource	yara_rule
behavioral2/memory/1176-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1176-15-0x000000000043783E-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\lEmohP = "C:\\Users\\Admin\\AppData\\Roaming\\lEmohP\\lEmohP.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 692 set thread context of 1176	692	Statement of Account.exe	81

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

pid	Process
1168	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
692	Statement of Account.exe
1176	RegSvcs.exe
1176	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	692	Statement of Account.exe
Token: SeDebugPrivilege	1176	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 692 wrote to memory of 1168	692	Statement of Account.exe	79
PID 692 wrote to memory of 1168	692	Statement of Account.exe	79
PID 692 wrote to memory of 1168	692	Statement of Account.exe	79
PID 692 wrote to memory of 1176	692	Statement of Account.exe	81
PID 692 wrote to memory of 1176	692	Statement of Account.exe	81
PID 692 wrote to memory of 1176	692	Statement of Account.exe	81
PID 692 wrote to memory of 1176	692	Statement of Account.exe	81
PID 692 wrote to memory of 1176	692	Statement of Account.exe	81
PID 692 wrote to memory of 1176	692	Statement of Account.exe	81
PID 692 wrote to memory of 1176	692	Statement of Account.exe	81
PID 692 wrote to memory of 1176	692	Statement of Account.exe	81

C:\Users\Admin\AppData\Local\Temp\Statement of Account.exe
"C:\Users\Admin\AppData\Local\Temp\Statement of Account.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:692
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ydztNbveXbr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp445D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1168
- 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:1176

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/692-11-0x00000000071B0000-0x000000000720D000-memory.dmp

Download

memory/692-3-0x0000000000C40000-0x0000000000C41000-memory.dmp

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memory/692-6-0x00000000055C0000-0x00000000055C1000-memory.dmp

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memory/692-7-0x00000000057F0000-0x00000000057F1000-memory.dmp

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memory/692-8-0x0000000005560000-0x0000000005561000-memory.dmp

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memory/692-9-0x0000000007920000-0x0000000007921000-memory.dmp

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memory/692-5-0x0000000005A20000-0x0000000005A21000-memory.dmp

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memory/692-10-0x00000000057A0000-0x00000000057AB000-memory.dmp

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memory/692-2-0x0000000073160000-0x000000007384E000-memory.dmp

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memory/1176-14-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1176-16-0x0000000073160000-0x000000007384E000-memory.dmp

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memory/1176-21-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

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memory/1176-22-0x0000000005250000-0x0000000005251000-memory.dmp

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memory/1176-23-0x0000000005AF0000-0x0000000005AF1000-memory.dmp

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