agenttesla | dbcf725538c71ca1b75d9bd06ef399ca8cd69d26151d1f84d3f0b62bef1ea03d

Analysis

max time kernel
122s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
20/04/2021, 08:04

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General

Target
OLUMBA-3212-HTC.exe
Size 829KB
Sample210420-m3ph31ggja
SHA256 dbcf725538c71ca1b75d9bd06ef399ca8cd69d26151d1f84d3f0b62bef1ea03d
MD5 3299980d1aac8b29dd6b81449e08e48e
SHA1 ed4b1ff86823eb2df55575b2ff9c62c1a96434b2
SHA512 87c43aa7213b2d420fc0aa0a0d564e2ee044ba76394f108951454a28424325214127c9e7ccd1e891fea4476c44c73020a39d39cbd7370bc7e49e2248e636adb2
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.syntrnomh.com
Port
587
Username
[email protected]
Password
Tdn$AuZro1

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3080-115-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3080-116-0x000000000043735E-mapping.dmp	family_agenttesla

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3516 set thread context of 3080	3516	OLUMBA-3212-HTC.exe	79

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3080	OLUMBA-3212-HTC.exe
3080	OLUMBA-3212-HTC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3080	OLUMBA-3212-HTC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 3080	3516	OLUMBA-3212-HTC.exe	79
PID 3516 wrote to memory of 3080	3516	OLUMBA-3212-HTC.exe	79
PID 3516 wrote to memory of 3080	3516	OLUMBA-3212-HTC.exe	79
PID 3516 wrote to memory of 3080	3516	OLUMBA-3212-HTC.exe	79
PID 3516 wrote to memory of 3080	3516	OLUMBA-3212-HTC.exe	79
PID 3516 wrote to memory of 3080	3516	OLUMBA-3212-HTC.exe	79
PID 3516 wrote to memory of 3080	3516	OLUMBA-3212-HTC.exe	79
PID 3516 wrote to memory of 3080	3516	OLUMBA-3212-HTC.exe	79

C:\Users\Admin\AppData\Local\Temp\OLUMBA-3212-HTC.exe
"C:\Users\Admin\AppData\Local\Temp\OLUMBA-3212-HTC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Users\Admin\AppData\Local\Temp\OLUMBA-3212-HTC.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3080

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/3080-115-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/3080-118-0x0000000002660000-0x0000000002661000-memory.dmp

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memory/3080-119-0x0000000002661000-0x0000000002662000-memory.dmp

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memory/3080-120-0x0000000002662000-0x0000000002663000-memory.dmp

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memory/3516-114-0x0000000002BE0000-0x0000000002BE1000-memory.dmp

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