agenttesla | d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f

General

Target

d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exe
Size

1.1MB
MD5

fe9e13e6699fea31c8924575f766fdab
SHA1

7f8f162c4edfe354e1e8c364e7fce9822a4b163c
SHA256

d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f
SHA512

b0df79cbedcba128b257afbc422217176bf6fb2555b65f931bdbd93421d10afceb856b564431f397e8eb23047cf1031e2d9b68f7188c0942738c095ede3b8ea6
SSDEEP

24576:0qDEvCTbMWu7rQYlBQcBiT6rprG8avKumalX8f:0TvC/MTQYxsWR7avsgX8

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Drops startup file 1 IoCs

Processes:

intemerateness.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\intemerateness.vbs intemerateness.exe
Executes dropped EXE 1 IoCs

Processes:

intemerateness.exe

pid process

2796 intemerateness.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

22 ip-api.com

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\intemerateness.vbs	intemerateness.exe

pid	process
2796	intemerateness.exe

flow	ioc
22	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\nasal\intemerateness.exe	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

intemerateness.exe

description pid process target process

PID 2796 set thread context of 3892 2796 intemerateness.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2772 2796 WerFault.exe intemerateness.exe

description	pid	process	target process
PID 2796 set thread context of 3892	2796	intemerateness.exe	RegSvcs.exe

pid	pid_target	process	target process
2772	2796	WerFault.exe	intemerateness.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exeintemerateness.exeRegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	intemerateness.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

3892 RegSvcs.exe
3892 RegSvcs.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

intemerateness.exe

pid process

2796 intemerateness.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 3892 RegSvcs.exe

pid	process
3892	RegSvcs.exe
3892	RegSvcs.exe

pid	process
2796	intemerateness.exe

description	pid	process
Token: SeDebugPrivilege	3892	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exeintemerateness.exe

pid	process
856	d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exe
856	d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exe
2796	intemerateness.exe
2796	intemerateness.exe

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exeintemerateness.exe

pid	process
856	d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exe
856	d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exe
2796	intemerateness.exe
2796	intemerateness.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exeintemerateness.exe

description	pid	process	target process
PID 856 wrote to memory of 2796	856	d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exe	intemerateness.exe
PID 856 wrote to memory of 2796	856	d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exe	intemerateness.exe
PID 856 wrote to memory of 2796	856	d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exe	intemerateness.exe
PID 2796 wrote to memory of 3892	2796	intemerateness.exe	RegSvcs.exe
PID 2796 wrote to memory of 3892	2796	intemerateness.exe	RegSvcs.exe
PID 2796 wrote to memory of 3892	2796	intemerateness.exe	RegSvcs.exe
PID 2796 wrote to memory of 3892	2796	intemerateness.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exe
"C:\Users\Admin\AppData\Local\Temp\d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:856

C:\Users\Admin\AppData\Local\nasal\intemerateness.exe
"C:\Users\Admin\AppData\Local\Temp\d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2796

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f.exe"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 692
3⤵
- Program crash
PID:2772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2796 -ip 2796
1⤵
PID:3004

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\murky
Filesize
28KB

MD5
b7a1b7f7c29e5bbfcba86553250654c8

SHA1
7bd88b124fb15a9098e620ecbcbd2953484429a8

SHA256
ed7361d65744a0b7c05049a1a42ab6245fa84e5c641fa9b70a369a1ed881e40c

SHA512
7a424d690476047d3ac90914a04cf84d598522834cc4534cc6eeff4f4a6567ec5667d00c8327b079fe96708a5fdab14807dd4da3fc158dd3629becadc41ed822

Download Submit
C:\Users\Admin\AppData\Local\Temp\surmount
Filesize
239KB

MD5
8b17c63bd76e03e75bd7bccb1c9ca4f5

SHA1
60e0165c7ba708cc53daac3f7bbf822e4d667bd4

SHA256
9ec913a11b1ab99a5614d81788bfd85e811ca2eb1a6222de226ef8d1118c4ec9

SHA512
cfa6c757871798fee5a30c2c759496348f52e31d9059d107cb7db99ca3491ca80e2cbe79ffd9ff33781d4343a910bcf74137a64f031e10cd50b4419de530b951

Download Submit
C:\Users\Admin\AppData\Local\nasal\intemerateness.exe
Filesize
1.1MB

MD5
fe9e13e6699fea31c8924575f766fdab

SHA1
7f8f162c4edfe354e1e8c364e7fce9822a4b163c

SHA256
d24f68e1cf853bb1e1a72b8b4cdbe8443cad9ba3e04229e1e7f103c69789e98f

SHA512
b0df79cbedcba128b257afbc422217176bf6fb2555b65f931bdbd93421d10afceb856b564431f397e8eb23047cf1031e2d9b68f7188c0942738c095ede3b8ea6

Download Submit
memory/856-11-0x0000000000BF0000-0x0000000000BF4000-memory.dmp

Filesize
16KB

Download
memory/3892-32-0x0000000005F60000-0x0000000006504000-memory.dmp

Filesize
5.6MB

Download
memory/3892-31-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/3892-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3892-33-0x0000000005A20000-0x0000000005A86000-memory.dmp

Filesize
408KB

Download
memory/3892-34-0x0000000074160000-0x0000000074910000-memory.dmp

Filesize
7.7MB

Download
memory/3892-35-0x0000000006D10000-0x0000000006D60000-memory.dmp

Filesize
320KB

Download
memory/3892-36-0x0000000006E00000-0x0000000006E92000-memory.dmp

Filesize
584KB

Download
memory/3892-37-0x0000000006D90000-0x0000000006D9A000-memory.dmp

Filesize
40KB

Download
memory/3892-38-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/3892-39-0x0000000074160000-0x0000000074910000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads