agenttesla | b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435

General

Target

b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe
Size

788KB
MD5

ad3817edcf73c14ba5ade80473528672
SHA1

216dd18463fe1ca1a1fa017ca695699e43ca5776
SHA256

b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435
SHA512

2ea208e080829e0b93fb33f163440b508c2610d0ca8d20a2d2f39d72b81337b897b5da50fef64cee1a905aed74cf82b806a979abff0c0c68e5fded4cf0a55897
SSDEEP

12288:890DCE+DWjKEQo2QrhOm6nJ34QrqRZK6Tq3Ec8HpLwF4Ge9G0MkcWBSVWde/icqJ:89uoDcVr1SJ3TD6TYEiF4Gz8jS

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server122.web-hosting.com
Port:
587
Username:
[email protected]
Password:
OJZg,yx3yFHQ

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/4036-142-0x0000000000400000-0x000000000045A000-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:

b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe

description	pid	process	target process
PID 2376 set thread context of 4036	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	RegSvcs.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

1568 schtasks.exe

pid	process
1568	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe

pid	process
2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe
2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe
2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe

description pid process

Token: SeDebugPrivilege 2376 b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe

description	pid	process
Token: SeDebugPrivilege	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe

description	pid	process	target process
PID 2376 wrote to memory of 1568	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	schtasks.exe
PID 2376 wrote to memory of 1568	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	schtasks.exe
PID 2376 wrote to memory of 1568	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	schtasks.exe
PID 2376 wrote to memory of 4000	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	RegSvcs.exe
PID 2376 wrote to memory of 4000	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	RegSvcs.exe
PID 2376 wrote to memory of 4000	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	RegSvcs.exe
PID 2376 wrote to memory of 4036	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	RegSvcs.exe
PID 2376 wrote to memory of 4036	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	RegSvcs.exe
PID 2376 wrote to memory of 4036	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	RegSvcs.exe
PID 2376 wrote to memory of 4036	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	RegSvcs.exe
PID 2376 wrote to memory of 4036	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	RegSvcs.exe
PID 2376 wrote to memory of 4036	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	RegSvcs.exe
PID 2376 wrote to memory of 4036	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	RegSvcs.exe
PID 2376 wrote to memory of 4036	2376	b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe
"C:\Users\Admin\AppData\Local\Temp\b3bcfa95470b746baa5c5460e70ddda1c1392c40aacce02214f2b2b7f9028435.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2376

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rtjcBPOueBlox" /XML "C:\Users\Admin\AppData\Local\Temp\tmp93CF.tmp"
2⤵
- Creates scheduled task(s)
PID:1568

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:4000

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:4036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp93CF.tmp
Filesize
1KB

MD5
78a78962a3a042936ebf4415b85caf24

SHA1
09e7a06967d823553ffb585c05cad6ad4ec399ac

SHA256
b38eb87481e6c859f7a548a974c312f1797d35fc83cffc5a7220cb458c14967d

SHA512
0327961dea04dbbbf2b2f69b01f9555ed53f45bab11e45136413ca07a3b30fce88c9eba0eb3f26654439c67a5ec0e832d8127e83e9922a7b31d40e3781ca9b08

Download Submit
memory/1568-138-0x0000000000000000-mapping.dmp

Download
memory/2376-132-0x0000000000620000-0x00000000006EA000-memory.dmp

Filesize
808KB

Download
memory/2376-133-0x00000000050B0000-0x000000000514C000-memory.dmp

Filesize
624KB

Download
memory/2376-134-0x0000000005700000-0x0000000005CA4000-memory.dmp

Filesize
5.6MB

Download
memory/2376-135-0x0000000005150000-0x00000000051E2000-memory.dmp

Filesize
584KB

Download
memory/2376-136-0x00000000050A0000-0x00000000050AA000-memory.dmp

Filesize
40KB

Download
memory/2376-137-0x0000000005250000-0x00000000052A6000-memory.dmp

Filesize
344KB

Download
memory/4000-140-0x0000000000000000-mapping.dmp

Download
memory/4036-141-0x0000000000000000-mapping.dmp

Download
memory/4036-142-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads