agenttesla | 09d83ebdd5d99fe1373d3b30798800503a4c625884b1c1e3f4e190d7b4d0d9da

General

Target
uzz.exe
Size 753KB
Sample200831-qa3b1ej44j
SHA256 09d83ebdd5d99fe1373d3b30798800503a4c625884b1c1e3f4e190d7b4d0d9da
MD5 e1ce84c01e67aaca450cdfc86642053a
SHA1 f290694f99c9346c4e590299015a12e54b864138
SHA512 f6e8c12baa648fe5fc8873e3136b7e50377f363b494393e434501dd4c616f1c63a623255771b179631ff4fb683bfc3a0c1ebb1990606503ff04e5b02435045ef
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.privateemail.com
Port
587
Username
[email protected]
Password
LifeDrama@123

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/2444-12-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral2/memory/2444-13-0x000000000046100E-mapping.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3832 set thread context of 2444	3832	uzz.exe	78

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.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

pid	Process
1992	schtasks.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 52216dda917fd601	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3832	uzz.exe
3832	uzz.exe
3832	uzz.exe
3832	uzz.exe
2444	RegSvcs.exe
2444	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3236	svchost.exe
Token: SeCreatePagefilePrivilege	3236	svchost.exe
Token: SeDebugPrivilege	3832	uzz.exe
Token: SeDebugPrivilege	2444	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2444	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 1992	3832	uzz.exe	76
PID 3832 wrote to memory of 1992	3832	uzz.exe	76
PID 3832 wrote to memory of 1992	3832	uzz.exe	76
PID 3832 wrote to memory of 2444	3832	uzz.exe	78
PID 3832 wrote to memory of 2444	3832	uzz.exe	78
PID 3832 wrote to memory of 2444	3832	uzz.exe	78
PID 3832 wrote to memory of 2444	3832	uzz.exe	78
PID 3832 wrote to memory of 2444	3832	uzz.exe	78
PID 3832 wrote to memory of 2444	3832	uzz.exe	78
PID 3832 wrote to memory of 2444	3832	uzz.exe	78
PID 3832 wrote to memory of 2444	3832	uzz.exe	78

C:\Users\Admin\AppData\Local\Temp\uzz.exe
"C:\Users\Admin\AppData\Local\Temp\uzz.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WNgZEdbkfpYSoZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DAA.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1992
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2444

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:3236

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2444-20-0x0000000006220000-0x0000000006221000-memory.dmp

Download

memory/2444-19-0x0000000002F30000-0x0000000002F31000-memory.dmp

Download

memory/2444-14-0x0000000073AE0000-0x00000000741CE000-memory.dmp

Download

memory/2444-12-0x0000000000400000-0x0000000000466000-memory.dmp

Download

memory/3832-5-0x0000000004F00000-0x0000000004F01000-memory.dmp

Download

memory/3832-9-0x00000000083F0000-0x0000000008489000-memory.dmp

Download

memory/3832-8-0x00000000086D0000-0x00000000086D1000-memory.dmp

Download

memory/3832-7-0x0000000008580000-0x0000000008624000-memory.dmp

Download

memory/3832-6-0x00000000083D0000-0x00000000083D3000-memory.dmp

Download

memory/3832-0-0x0000000073AE0000-0x00000000741CE000-memory.dmp

Download

memory/3832-4-0x0000000004F20000-0x0000000004F21000-memory.dmp

Download

memory/3832-3-0x0000000005340000-0x0000000005341000-memory.dmp

Download

memory/3832-1-0x0000000000600000-0x0000000000601000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads