agenttesla | ce8508cd8c8597f4faa41a0e40f4ad199f515559e936fcdea5b46f7534326bba

General

Target

Bank slip.exe
Size

702KB
MD5

7f05bb95c72a3a2c04640f08c6155830
SHA1

8f304e386725d50e52120343b811556537b8c0e8
SHA256

6d5bdcfa423fb3d5e48efd687f5ce8045693421e950a897c2e586fd44c3b0bb2
SHA512

2fcf0c7a9d8f1e0bb0490124f80df76815e759d07756edde315cd79baca0a328db9fcf3c24e5c9bc99ce2845034ea9f1788c6fdb3bfbd14db53805882fcbbf8a
SSDEEP

12288:kjTeH81jJU+C+MjqihmAYXkBIWgJPos/gMGfNtvTEg+BQGqbJbTlbcmcKtzKV:18M+C+MukqzxYNNT3z1bxc

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.policymartinsurance.com
Port:
587
Username:
[email protected]
Password:
Kwal4952@

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.policymartinsurance.com
Port:
587
Username:
[email protected]
Password:
Kwal4952@
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/2364-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

resource	yara_rule
behavioral2/memory/2364-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/memory/2364-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2364-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2364-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2364-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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 2 IoCs

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

flow	ioc
32	api.ipify.org
33	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3476 set thread context of 2364	3476	Bank slip.exe	96

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3476	Bank slip.exe
3476	Bank slip.exe
3476	Bank slip.exe
3476	Bank slip.exe
3476	Bank slip.exe
2364	Bank slip.exe
2364	Bank slip.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3476	Bank slip.exe
Token: SeDebugPrivilege	2364	Bank slip.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3476 wrote to memory of 2600	3476	Bank slip.exe	95
PID 3476 wrote to memory of 2600	3476	Bank slip.exe	95
PID 3476 wrote to memory of 2600	3476	Bank slip.exe	95
PID 3476 wrote to memory of 2364	3476	Bank slip.exe	96
PID 3476 wrote to memory of 2364	3476	Bank slip.exe	96
PID 3476 wrote to memory of 2364	3476	Bank slip.exe	96
PID 3476 wrote to memory of 2364	3476	Bank slip.exe	96
PID 3476 wrote to memory of 2364	3476	Bank slip.exe	96
PID 3476 wrote to memory of 2364	3476	Bank slip.exe	96
PID 3476 wrote to memory of 2364	3476	Bank slip.exe	96
PID 3476 wrote to memory of 2364	3476	Bank slip.exe	96

C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
"C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3476
- C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
  "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
  2⤵
  PID:2600
- C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
  "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Bank slip.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2364-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2364-19-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/2364-18-0x0000000006A70000-0x0000000006AC0000-memory.dmp

Filesize
320KB

Download
memory/2364-16-0x00000000053F0000-0x0000000005456000-memory.dmp

Filesize
408KB

Download
memory/2364-17-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/2364-14-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/3476-4-0x00000000050E0000-0x00000000050EA000-memory.dmp

Filesize
40KB

Download
memory/3476-8-0x00000000056A0000-0x00000000056B0000-memory.dmp

Filesize
64KB

Download
memory/3476-9-0x0000000006460000-0x0000000006476000-memory.dmp

Filesize
88KB

Download
memory/3476-10-0x0000000006C40000-0x0000000006CC2000-memory.dmp

Filesize
520KB

Download
memory/3476-7-0x00000000055C0000-0x00000000055E0000-memory.dmp

Filesize
128KB

Download
memory/3476-6-0x0000000005390000-0x000000000542C000-memory.dmp

Filesize
624KB

Download
memory/3476-15-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/3476-5-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/3476-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

Filesize
4KB

Download
memory/3476-3-0x0000000005100000-0x0000000005192000-memory.dmp

Filesize
584KB

Download
memory/3476-2-0x00000000056B0000-0x0000000005C54000-memory.dmp

Filesize
5.6MB

Download
memory/3476-1-0x0000000000630000-0x00000000006E6000-memory.dmp

Filesize
728KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads