agenttesla | 47ed8a371b2d67ff11d04a5e2473e2bedeb5c074bb6f90f452e8bfd837ef6a11

General

Target

Halkbank_Ekstre_20191102_073809_405251-PDF.exe
Size

988KB
MD5

0f93c17cac1c2dd8b332bf2d53aa2f8c
SHA1

8848bf63c85f1743d63d458819ab4632f80b4cc9
SHA256

4b01f24d97fef59510e2a99a4d75d48f7dbe8445e5fe05a3602fb7a12094ade9
SHA512

b1b7968abe71cdf12c1aa3bed07fdde8282126faf2bd1386c8fccc0bfdc3ae39b10d94155a96770bc72dee60d6265ce45a8211e4624b3e25c1e08bc7794a2c89
SSDEEP

12288:o6UYBXALb35v+g4IwbmB1fRcmjMx7jghB/8SBJxVtQD2b62SgM5DqanwP7r9r/+l:1SbIPIhbNM1sh9BR1q

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rolexlogisticsservice.com
Port:
587
Username:
[email protected]
Password:
0.p-TydLJ-3Z
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2308 set thread context of 2348	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	29

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe
2348	Halkbank_Ekstre_20191102_073809_405251-PDF.exe
2348	Halkbank_Ekstre_20191102_073809_405251-PDF.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe
Token: SeDebugPrivilege	2348	Halkbank_Ekstre_20191102_073809_405251-PDF.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2348	Halkbank_Ekstre_20191102_073809_405251-PDF.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2208	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	28
PID 2308 wrote to memory of 2208	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	28
PID 2308 wrote to memory of 2208	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	28
PID 2308 wrote to memory of 2208	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	28
PID 2308 wrote to memory of 2348	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	29
PID 2308 wrote to memory of 2348	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	29
PID 2308 wrote to memory of 2348	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	29
PID 2308 wrote to memory of 2348	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	29
PID 2308 wrote to memory of 2348	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	29
PID 2308 wrote to memory of 2348	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	29
PID 2308 wrote to memory of 2348	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	29
PID 2308 wrote to memory of 2348	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	29
PID 2308 wrote to memory of 2348	2308	Halkbank_Ekstre_20191102_073809_405251-PDF.exe	29

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"
  2⤵
  PID:2208
- C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2308-0-0x00000000010B0000-0x00000000011AC000-memory.dmp

Filesize
1008KB

Download
memory/2308-1-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-2-0x0000000007230000-0x0000000007270000-memory.dmp

Filesize
256KB

Download
memory/2308-3-0x0000000000410000-0x000000000042A000-memory.dmp

Filesize
104KB

Download
memory/2308-4-0x0000000000450000-0x0000000000458000-memory.dmp

Filesize
32KB

Download
memory/2308-5-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/2308-6-0x00000000077D0000-0x000000000784E000-memory.dmp

Filesize
504KB

Download
memory/2308-21-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2348-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2348-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2348-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2348-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2348-22-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2348-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2348-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2348-23-0x0000000000D00000-0x0000000000D40000-memory.dmp

Filesize
256KB

Download
memory/2348-24-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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