agenttesla | d59601df51dd905fccccac81f6750b512dccd7c7d3cf6001c3f073a58c1905c4

General

Target

Payment Slip.exe
Size

686KB
MD5

a6d092527c868bca9de40fc0d6d8032f
SHA1

e8389965e4d3c5eb3fcdeeb3c2e8325216e4d392
SHA256

d59601df51dd905fccccac81f6750b512dccd7c7d3cf6001c3f073a58c1905c4
SHA512

9e706d49d81651e02e4ce85f9ba7f80f91193c858841e067ff88856e10d5d6bbf43a97242fc54d7f793578fcd5fd2b030c86ecfc711d0b5f1f39b80e5b42e5e7

Score

10^/10

agenttesla agilenet keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
SMTP.mail.com
Port:
587
Username:
rita-adfixtures@asia.com
Password:
Sunriseadaoma2020

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1160-144-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral2/memory/1160-147-0x0000000000530000-0x000000000056C000-memory.dmp	family_agenttesla
behavioral2/memory/1160-151-0x00000000049E0000-0x0000000004EDE000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

google browser.exeInstallUtil.exe

pid process

2256 google browser.exe
1160 InstallUtil.exe

pid	process
2256	google browser.exe
1160	InstallUtil.exe

Obfuscated with Agile.Net obfuscator 4 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/1456-121-0x0000000005F70000-0x0000000005F91000-memory.dmp	agile_net
behavioral2/memory/1456-124-0x0000000004AE0000-0x0000000004FDE000-memory.dmp	agile_net
behavioral2/memory/2256-136-0x0000000002D40000-0x0000000002DD2000-memory.dmp	agile_net
behavioral2/memory/2256-140-0x0000000002D40000-0x0000000002DD2000-memory.dmp	agile_net

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\google browser = "C:\\Users\\Admin\\AppData\\Roaming\\google browser.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

google browser.exe

description pid process target process

PID 2256 set thread context of 1160 2256 google browser.exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 2256 set thread context of 1160	2256	google browser.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

Payment Slip.exegoogle browser.exeInstallUtil.exe

pid	process
1456	Payment Slip.exe
1456	Payment Slip.exe
1456	Payment Slip.exe
1456	Payment Slip.exe
1456	Payment Slip.exe
1456	Payment Slip.exe
1456	Payment Slip.exe
1456	Payment Slip.exe
1456	Payment Slip.exe
1456	Payment Slip.exe
1456	Payment Slip.exe
1456	Payment Slip.exe
1456	Payment Slip.exe
1456	Payment Slip.exe
1456	Payment Slip.exe
2256	google browser.exe
2256	google browser.exe
1160	InstallUtil.exe
1160	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Payment Slip.exegoogle browser.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1456	Payment Slip.exe
Token: SeDebugPrivilege	2256	google browser.exe
Token: SeDebugPrivilege	1160	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

1160 InstallUtil.exe

pid	process
1160	InstallUtil.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Payment Slip.execmd.exegoogle browser.exe

description	pid	process	target process
PID 1456 wrote to memory of 2096	1456	Payment Slip.exe	cmd.exe
PID 1456 wrote to memory of 2096	1456	Payment Slip.exe	cmd.exe
PID 1456 wrote to memory of 2096	1456	Payment Slip.exe	cmd.exe
PID 2096 wrote to memory of 2056	2096	cmd.exe	reg.exe
PID 2096 wrote to memory of 2056	2096	cmd.exe	reg.exe
PID 2096 wrote to memory of 2056	2096	cmd.exe	reg.exe
PID 1456 wrote to memory of 2256	1456	Payment Slip.exe	google browser.exe
PID 1456 wrote to memory of 2256	1456	Payment Slip.exe	google browser.exe
PID 1456 wrote to memory of 2256	1456	Payment Slip.exe	google browser.exe
PID 2256 wrote to memory of 1160	2256	google browser.exe	InstallUtil.exe
PID 2256 wrote to memory of 1160	2256	google browser.exe	InstallUtil.exe
PID 2256 wrote to memory of 1160	2256	google browser.exe	InstallUtil.exe
PID 2256 wrote to memory of 1160	2256	google browser.exe	InstallUtil.exe
PID 2256 wrote to memory of 1160	2256	google browser.exe	InstallUtil.exe
PID 2256 wrote to memory of 1160	2256	google browser.exe	InstallUtil.exe
PID 2256 wrote to memory of 1160	2256	google browser.exe	InstallUtil.exe
PID 2256 wrote to memory of 1160	2256	google browser.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1456

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "google browser" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\google browser.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2096

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "google browser" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\google browser.exe"
3⤵
- Adds Run key to start application
PID:2056

C:\Users\Admin\AppData\Roaming\google browser.exe
"C:\Users\Admin\AppData\Roaming\google browser.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2256

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1160

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Roaming\google browser.exe
MD5
a6d092527c868bca9de40fc0d6d8032f

SHA1
e8389965e4d3c5eb3fcdeeb3c2e8325216e4d392

SHA256
d59601df51dd905fccccac81f6750b512dccd7c7d3cf6001c3f073a58c1905c4

SHA512
9e706d49d81651e02e4ce85f9ba7f80f91193c858841e067ff88856e10d5d6bbf43a97242fc54d7f793578fcd5fd2b030c86ecfc711d0b5f1f39b80e5b42e5e7

Download Submit
C:\Users\Admin\AppData\Roaming\google browser.exe
MD5
a6d092527c868bca9de40fc0d6d8032f

SHA1
e8389965e4d3c5eb3fcdeeb3c2e8325216e4d392

SHA256
d59601df51dd905fccccac81f6750b512dccd7c7d3cf6001c3f073a58c1905c4

SHA512
9e706d49d81651e02e4ce85f9ba7f80f91193c858841e067ff88856e10d5d6bbf43a97242fc54d7f793578fcd5fd2b030c86ecfc711d0b5f1f39b80e5b42e5e7

Download Submit
memory/1160-144-0x000000000043763E-mapping.dmp

Download
memory/1160-151-0x00000000049E0000-0x0000000004EDE000-memory.dmp

Filesize
5.0MB

Download
memory/1160-147-0x0000000000530000-0x000000000056C000-memory.dmp

Filesize
240KB

Download
memory/1160-152-0x00000000055E0000-0x00000000055E1000-memory.dmp

Filesize
4KB

Download
memory/1160-155-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/1456-124-0x0000000004AE0000-0x0000000004FDE000-memory.dmp

Filesize
5.0MB

Download
memory/1456-121-0x0000000005F70000-0x0000000005F91000-memory.dmp

Filesize
132KB

Download
memory/1456-123-0x0000000005FF0000-0x0000000005FF1000-memory.dmp

Filesize
4KB

Download
memory/1456-119-0x0000000004AE0000-0x0000000004FDE000-memory.dmp

Filesize
5.0MB

Download
memory/1456-118-0x0000000004B80000-0x0000000004B81000-memory.dmp

Filesize
4KB

Download
memory/1456-114-0x0000000000010000-0x0000000000011000-memory.dmp

Filesize
4KB

Download
memory/1456-122-0x0000000006020000-0x0000000006021000-memory.dmp

Filesize
4KB

Download
memory/1456-116-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

Filesize
4KB

Download
memory/1456-117-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

Filesize
4KB

Download
memory/2056-126-0x0000000000000000-mapping.dmp

Download
memory/2096-125-0x0000000000000000-mapping.dmp

Download
memory/2256-142-0x0000000009480000-0x0000000009481000-memory.dmp

Filesize
4KB

Download
memory/2256-141-0x0000000006EA0000-0x0000000006EAB000-memory.dmp

Filesize
44KB

Download
memory/2256-140-0x0000000002D40000-0x0000000002DD2000-memory.dmp

Filesize
584KB

Download
memory/2256-136-0x0000000002D40000-0x0000000002DD2000-memory.dmp

Filesize
584KB

Download
memory/2256-127-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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