agenttesla | bf88eb4511a5b91350a9d657b5fe620f6d2bf23098b58200cbd1677eb4228cce

Analysis

max time kernel
136s
max time network
152s
platform
windows10_x64
resource
win10v20210410
submitted
19/08/2021, 09:22

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General

Target
PAYMENT INSTRUCTIONS COPY.exe
Size 713KB
Sample210819-ag8bjnecb6
SHA256 bf88eb4511a5b91350a9d657b5fe620f6d2bf23098b58200cbd1677eb4228cce
MD5 d7366bcee00e2aa26ddea11d2b7d7472
SHA1 b72a36ba160f80d398d338785068e6da841c8257
SHA512 94f41906cfa23487d2439187554966f127ba5765478ae962fdddcb30985047dfefcb0b384093b2a0b3f90c4718cf4bcbd65a7d65217f496905dccf950c34829e
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
uscentral50.myserverhosts.com
Port
587
Username
[email protected]
Password
waters@789

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/2628-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2628-125-0x000000000043762E-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-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2256 set thread context of 2628	2256	PAYMENT INSTRUCTIONS COPY.exe	79

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2628	RegSvcs.exe
2628	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	PAYMENT INSTRUCTIONS COPY.exe
Token: SeDebugPrivilege	2628	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2628	2256	PAYMENT INSTRUCTIONS COPY.exe	79
PID 2256 wrote to memory of 2628	2256	PAYMENT INSTRUCTIONS COPY.exe	79
PID 2256 wrote to memory of 2628	2256	PAYMENT INSTRUCTIONS COPY.exe	79
PID 2256 wrote to memory of 2628	2256	PAYMENT INSTRUCTIONS COPY.exe	79
PID 2256 wrote to memory of 2628	2256	PAYMENT INSTRUCTIONS COPY.exe	79
PID 2256 wrote to memory of 2628	2256	PAYMENT INSTRUCTIONS COPY.exe	79
PID 2256 wrote to memory of 2628	2256	PAYMENT INSTRUCTIONS COPY.exe	79
PID 2256 wrote to memory of 2628	2256	PAYMENT INSTRUCTIONS COPY.exe	79

C:\Users\Admin\AppData\Local\Temp\PAYMENT INSTRUCTIONS COPY.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT INSTRUCTIONS COPY.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2256
- 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:2628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2256-114-0x0000000000B90000-0x0000000000B91000-memory.dmp

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memory/2256-116-0x0000000005A40000-0x0000000005A41000-memory.dmp

Download

memory/2256-117-0x0000000005460000-0x0000000005461000-memory.dmp

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memory/2256-118-0x00000000055E0000-0x00000000055E1000-memory.dmp

Download

memory/2256-119-0x0000000005500000-0x0000000005501000-memory.dmp

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memory/2256-120-0x0000000005940000-0x0000000005951000-memory.dmp

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memory/2256-121-0x0000000005540000-0x0000000005A3E000-memory.dmp

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memory/2256-122-0x0000000007BB0000-0x0000000007C53000-memory.dmp

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memory/2256-123-0x000000000A2B0000-0x000000000A2F5000-memory.dmp

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memory/2628-124-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/2628-130-0x0000000005430000-0x0000000005431000-memory.dmp

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memory/2628-131-0x00000000058F0000-0x00000000058F1000-memory.dmp

Download

memory/2628-132-0x00000000060B0000-0x00000000060B1000-memory.dmp

Download

memory/2628-135-0x0000000005431000-0x0000000005432000-memory.dmp

Download