agenttesla | eab82ea11de4993fea8e345fb87597592121fdb60f73c6d578b37b712364cfd4

General

Target

Client Balance Payment For May 2020.exe
Size

634KB
MD5

c6603658b741087d4102daf507299972
SHA1

333926e746e769624dcb1d2bf8fde751aa9c00fa
SHA256

e7d122486a566fba3c38b1b542c77d33550c62e82e51d1cfac21d08c9eac4a33
SHA512

783863a858d8fb665aa2a72f03ddb28fec2e1394e0fea11cf1f3ae33c19399a689562c0541900b7c6742b8e5911dcc41f7f7752c8cf961f43d9d86a9e990ed4a

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.almushrefcoop.com
Port:
587
Username:
[email protected]
Password:
zainab123

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.almushrefcoop.com
Port:
587
Username:
[email protected]
Password:
zainab123

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/4672-137-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

Client Balance Payment For May 2020.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	Client Balance Payment For May 2020.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:

Client Balance Payment For May 2020.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	Client Balance Payment For May 2020.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Client Balance Payment For May 2020.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Client Balance Payment For May 2020.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Client Balance Payment For May 2020.exe

description	pid	process	target process
PID 3136 set thread context of 4672	3136	Client Balance Payment For May 2020.exe	Client Balance Payment For May 2020.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

3948 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Client Balance Payment For May 2020.exe

pid process

4672 Client Balance Payment For May 2020.exe
4672 Client Balance Payment For May 2020.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Client Balance Payment For May 2020.exe

description pid process

Token: SeDebugPrivilege 4672 Client Balance Payment For May 2020.exe

pid	process
3948	schtasks.exe

pid	process
4672	Client Balance Payment For May 2020.exe
4672	Client Balance Payment For May 2020.exe

description	pid	process
Token: SeDebugPrivilege	4672	Client Balance Payment For May 2020.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Client Balance Payment For May 2020.exeClient Balance Payment For May 2020.exe

description	pid	process	target process
PID 3136 wrote to memory of 3948	3136	Client Balance Payment For May 2020.exe	schtasks.exe
PID 3136 wrote to memory of 3948	3136	Client Balance Payment For May 2020.exe	schtasks.exe
PID 3136 wrote to memory of 3948	3136	Client Balance Payment For May 2020.exe	schtasks.exe
PID 3136 wrote to memory of 4672	3136	Client Balance Payment For May 2020.exe	Client Balance Payment For May 2020.exe
PID 3136 wrote to memory of 4672	3136	Client Balance Payment For May 2020.exe	Client Balance Payment For May 2020.exe
PID 3136 wrote to memory of 4672	3136	Client Balance Payment For May 2020.exe	Client Balance Payment For May 2020.exe
PID 3136 wrote to memory of 4672	3136	Client Balance Payment For May 2020.exe	Client Balance Payment For May 2020.exe
PID 3136 wrote to memory of 4672	3136	Client Balance Payment For May 2020.exe	Client Balance Payment For May 2020.exe
PID 3136 wrote to memory of 4672	3136	Client Balance Payment For May 2020.exe	Client Balance Payment For May 2020.exe
PID 3136 wrote to memory of 4672	3136	Client Balance Payment For May 2020.exe	Client Balance Payment For May 2020.exe
PID 3136 wrote to memory of 4672	3136	Client Balance Payment For May 2020.exe	Client Balance Payment For May 2020.exe
PID 4672 wrote to memory of 1952	4672	Client Balance Payment For May 2020.exe	netsh.exe
PID 4672 wrote to memory of 1952	4672	Client Balance Payment For May 2020.exe	netsh.exe
PID 4672 wrote to memory of 1952	4672	Client Balance Payment For May 2020.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

Client Balance Payment For May 2020.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	Client Balance Payment For May 2020.exe

outlook_win_path 1 IoCs

Processes:

Client Balance Payment For May 2020.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	Client Balance Payment For May 2020.exe

C:\Users\Admin\AppData\Local\Temp\Client Balance Payment For May 2020.exe
"C:\Users\Admin\AppData\Local\Temp\Client Balance Payment For May 2020.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3136

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OyOQFrhs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2700.tmp"
2⤵
- Creates scheduled task(s)
PID:3948

C:\Users\Admin\AppData\Local\Temp\Client Balance Payment For May 2020.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4672

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1952

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\Client Balance Payment For May 2020.exe.log
Filesize
507B

MD5
ab4c71d3ff6255edd4e5c1e09540f49e

SHA1
22e06bf4e258741b5df918061871cba998c50cea

SHA256
1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

SHA512
8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2700.tmp
Filesize
1KB

MD5
9773395c19e02815d3828e41d31053ca

SHA1
e47f3d660c105110c277fa6bde43173cfb7a1fff

SHA256
34dd6c8a9191287638204665e4bcc2e5f93d96d41f618fa9d88360854fa20e2c

SHA512
307aab8880a151b052079eb6237c7881b6bbed88d8cc092311f65f8f28218caccd33351c3a16a3f88ca02d8a167a7564a09e8b2156a8632225bafba74d77d1d8

Download Submit
memory/1952-140-0x0000000000000000-mapping.dmp

Download
memory/3136-130-0x0000000000EB0000-0x0000000000F54000-memory.dmp

Filesize
656KB

Download
memory/3136-131-0x00000000058B0000-0x000000000594C000-memory.dmp

Filesize
624KB

Download
memory/3136-132-0x0000000005A60000-0x0000000005AF2000-memory.dmp

Filesize
584KB

Download
memory/3136-133-0x0000000006810000-0x0000000006DB4000-memory.dmp

Filesize
5.6MB

Download
memory/3948-134-0x0000000000000000-mapping.dmp

Download
memory/4672-136-0x0000000000000000-mapping.dmp

Download
memory/4672-137-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4672-139-0x00000000067B0000-0x0000000006816000-memory.dmp

Filesize
408KB

Download
memory/4672-141-0x0000000006970000-0x00000000069C0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads