agenttesla | 9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c

General

Target

9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
Size

397KB
MD5

7fc4300a6f6dea00b341018b3366e8be
SHA1

05b8a1966cb6b423f9e0da49add7d7cd913a9c73
SHA256

9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c
SHA512

dcc16e705fd42d295e64580585068aed496611506ae26783321e00f63d50bbd8efadff7573f0c6c8bcc59eb9009b1b0d88fa3d5cd778135e1c049bcc203bd26c

Score

10^/10

agenttesla collection keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.jlumberg-ss.com
Port:
587
Username:
admin@jlumberg-ss.com
Password:
Xj)b!tl4

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/220-151-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral2/memory/1364-143-0x0000000000400000-0x0000000000456000-memory.dmp	rezer0

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

powershell.exe9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

description	pid	process	target process
PID 1720 set thread context of 1364	1720	powershell.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1364 set thread context of 220	1364	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.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

Processes:

schtasks.exe

pid process

3352 schtasks.exe

pid	process
3352	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exe9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

pid	process
1720	powershell.exe
1720	powershell.exe
220	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
220	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exe9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

description	pid	process
Token: SeDebugPrivilege	1720	powershell.exe
Token: SeDebugPrivilege	220	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exepowershell.exe9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

description	pid	process	target process
PID 3400 wrote to memory of 1720	3400	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	powershell.exe
PID 3400 wrote to memory of 1720	3400	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	powershell.exe
PID 3400 wrote to memory of 1720	3400	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	powershell.exe
PID 1720 wrote to memory of 1364	1720	powershell.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1720 wrote to memory of 1364	1720	powershell.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1720 wrote to memory of 1364	1720	powershell.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1720 wrote to memory of 1364	1720	powershell.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1720 wrote to memory of 1364	1720	powershell.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1720 wrote to memory of 1364	1720	powershell.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1720 wrote to memory of 1364	1720	powershell.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1720 wrote to memory of 1364	1720	powershell.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1364 wrote to memory of 3352	1364	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	schtasks.exe
PID 1364 wrote to memory of 3352	1364	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	schtasks.exe
PID 1364 wrote to memory of 3352	1364	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	schtasks.exe
PID 1364 wrote to memory of 220	1364	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1364 wrote to memory of 220	1364	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1364 wrote to memory of 220	1364	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1364 wrote to memory of 220	1364	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1364 wrote to memory of 220	1364	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1364 wrote to memory of 220	1364	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1364 wrote to memory of 220	1364	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
PID 1364 wrote to memory of 220	1364	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

outlook_office_path 1 IoCs

Processes:

9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

outlook_win_path 1 IoCs

Processes:

9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe

C:\Users\Admin\AppData\Local\Temp\9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
"C:\Users\Admin\AppData\Local\Temp\9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3400

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windo 1 -noexit -exec bypass -file "C:\Users\Public\LUoUY.ps1"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720

C:\Users\Admin\AppData\Local\Temp\9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
"{path}"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1364

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TtupyRIxEsku" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1A2A.tmp"
4⤵
- Creates scheduled task(s)
PID:3352

C:\Users\Admin\AppData\Local\Temp\9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe
"{path}"
4⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:220

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\9b39828b28c9d575bb1d844c5fd6e1bb2a49ddfa02302e84caedd075b6625d1c.exe.log
Filesize
139B

MD5
b226ddb0f6213e848e868253270d2ee4

SHA1
9d9b43c46b5a5573cd4e521293413ad9c55ef5b9

SHA256
9fcd51e732baf44df777525aca99cd16a693190659f9cab66263fd2393fb87f1

SHA512
b4f46b90bb116fffd16924b1911ab9b280c74977344788bad0db8b60818f8126efa830d282df4a97aa542d1c9ea48e445d7dd77ac33c3fda5e745787fcd74e8c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1A2A.tmp
Filesize
1KB

MD5
7380440f1a0cd99d9e7ec7bb4083ce48

SHA1
634747cb2d281948a425155a1a0186f10ba46057

SHA256
661d002203173504b137772d41e9895fe216502111c2bd7457d2c8c447432486

SHA512
ac07cb443ce3b2049a7e5526773e302dde71a043fe15c6e3c7bf7155517a60b6cfe7ef99b0ec668fa2619396fe70032ae89ae8850a9016f970ea0b4dbc98d8b7

Download Submit
C:\Users\Public\LUoUY.ps1
Filesize
24KB

MD5
da9dc2ad19105e8daebc4b438c74aa12

SHA1
81c1f48dda44ad25de5693734613ae2c92282ade

SHA256
9d6c7d381757d0571869bcbca844d7a8742f5276269d7fb086e04ab11d9ba540

SHA512
aa19b27f6ddbfd07cea33fdb248564224cfc585d80d41196ff0f2eb66a69644adac472a2a3526eba093d4439ba11c92b08a7e41bdf392d650a7f43e26973a1f7

Download Submit
memory/220-153-0x00000000056B0000-0x00000000056BA000-memory.dmp

Filesize
40KB

Download
memory/220-151-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/220-149-0x0000000000000000-mapping.dmp

Download
memory/1364-142-0x0000000000000000-mapping.dmp

Download
memory/1364-143-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1364-145-0x0000000005B50000-0x00000000060F4000-memory.dmp

Filesize
5.6MB

Download
memory/1720-141-0x00000000073F0000-0x0000000007482000-memory.dmp

Filesize
584KB

Download
memory/1720-146-0x0000000007810000-0x0000000007886000-memory.dmp

Filesize
472KB

Download
memory/1720-137-0x0000000005490000-0x00000000054F6000-memory.dmp

Filesize
408KB

Download
memory/1720-132-0x0000000000000000-mapping.dmp

Download
memory/1720-139-0x0000000007200000-0x0000000007244000-memory.dmp

Filesize
272KB

Download
memory/1720-135-0x0000000005210000-0x0000000005232000-memory.dmp

Filesize
136KB

Download
memory/1720-138-0x0000000006070000-0x000000000608E000-memory.dmp

Filesize
120KB

Download
memory/1720-136-0x00000000053B0000-0x0000000005416000-memory.dmp

Filesize
408KB

Download
memory/1720-152-0x00000000076B0000-0x00000000076CA000-memory.dmp

Filesize
104KB

Download
memory/1720-134-0x0000000005560000-0x0000000005B88000-memory.dmp

Filesize
6.2MB

Download
memory/1720-150-0x0000000008F10000-0x000000000958A000-memory.dmp

Filesize
6.5MB

Download
memory/1720-133-0x0000000002CF0000-0x0000000002D26000-memory.dmp

Filesize
216KB

Download
memory/3352-147-0x0000000000000000-mapping.dmp

Download
memory/3400-130-0x00000000006D0000-0x000000000073A000-memory.dmp

Filesize
424KB

Download
memory/3400-131-0x0000000005120000-0x00000000051BC000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads