agenttesla | c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b

General

Target

c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
Size

659KB
MD5

8115ada57f7a00d6fa797f5ad28d3270
SHA1

faa0942225a1692836b97dd6b0262d57bc8008b1
SHA256

c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b
SHA512

383b064f307f889fd3b5adbfbe77664c8c8d66a8404ea466821badd53be5753810d000c3545af18141405f128e90537a14f65ad00b53d9b571d96c229d8ba7cd
SSDEEP

12288:+tHiCrD6AUPGBCcP3JfjMi8NUppO8LFa6twMvp+Vcm6h9Nsj5ahN5jo:BQDlBCQfjSUppPLF7twMsVcmW9N848

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.lbmuhendislik.com
Port:
587
Username:
[email protected]
Password:
&VQeW?kS-9@4
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe

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
74	api.ipify.org
75	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4224 set thread context of 4436	4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe	104

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
4436	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
4436	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
Token: SeDebugPrivilege	4436	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4436	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 4436	4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe	104
PID 4224 wrote to memory of 4436	4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe	104
PID 4224 wrote to memory of 4436	4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe	104
PID 4224 wrote to memory of 4436	4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe	104
PID 4224 wrote to memory of 4436	4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe	104
PID 4224 wrote to memory of 4436	4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe	104
PID 4224 wrote to memory of 4436	4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe	104
PID 4224 wrote to memory of 4436	4224	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe	104

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe

C:\Users\Admin\AppData\Local\Temp\c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
"C:\Users\Admin\AppData\Local\Temp\c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Users\Admin\AppData\Local\Temp\c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
  "C:\Users\Admin\AppData\Local\Temp\c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4436

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

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4224-10-0x0000000006860000-0x000000000686C000-memory.dmp

Filesize
48KB

Download
memory/4224-12-0x000000000AF00000-0x000000000AF9C000-memory.dmp

Filesize
624KB

Download
memory/4224-3-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/4224-4-0x0000000005590000-0x00000000055A0000-memory.dmp

Filesize
64KB

Download
memory/4224-5-0x00000000054E0000-0x00000000054EA000-memory.dmp

Filesize
40KB

Download
memory/4224-6-0x00000000065B0000-0x00000000065CA000-memory.dmp

Filesize
104KB

Download
memory/4224-7-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4224-8-0x0000000005590000-0x00000000055A0000-memory.dmp

Filesize
64KB

Download
memory/4224-9-0x0000000006850000-0x000000000685A000-memory.dmp

Filesize
40KB

Download
memory/4224-0-0x0000000000890000-0x000000000093C000-memory.dmp

Filesize
688KB

Download
memory/4224-2-0x0000000005980000-0x0000000005F24000-memory.dmp

Filesize
5.6MB

Download
memory/4224-16-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4224-11-0x0000000009B40000-0x0000000009BBC000-memory.dmp

Filesize
496KB

Download
memory/4224-1-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4436-17-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4436-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4436-18-0x00000000052F0000-0x0000000005300000-memory.dmp

Filesize
64KB

Download
memory/4436-19-0x00000000017B0000-0x0000000001816000-memory.dmp

Filesize
408KB

Download
memory/4436-20-0x0000000006870000-0x00000000068C0000-memory.dmp

Filesize
320KB

Download
memory/4436-21-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4436-22-0x00000000052F0000-0x0000000005300000-memory.dmp

Filesize
64KB

Download

Analysis

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