agenttesla | 4ee443331bdebfdfffa8f7fe75c1434504a900dc792561390f27c3f9f0c8bc09

Analysis

max time kernel
149s
max time network
110s
platform
windows10_x64
resource
win10v20201028
submitted
08/04/2021, 08:18

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General

Target
01158bfc4ce6cb2c5a3cdbf661f13f8b.exe
Size 634KB
Sample210408-mdpszqyvm2
SHA256 4ee443331bdebfdfffa8f7fe75c1434504a900dc792561390f27c3f9f0c8bc09
MD5 01158bfc4ce6cb2c5a3cdbf661f13f8b
SHA1 4d18044e5cfa5ebb9b397dd742648db870b1f32a
SHA512 d07d372e5399fdf8d95117d7d8f33cf3afd75abdc8c7bf812eecb18f73ac25d30e599af11403b9621072435c18db812a1ea0577792345bbf9c9381d0a213b98e
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
browse9ja

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral2/memory/2140-128-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2140-129-0x00000000004375DE-mapping.dmp	family_agenttesla
behavioral2/memory/2140-135-0x00000000053C0000-0x00000000058BE000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 700 set thread context of 2140	700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe	80

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

pid	Process
3548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe
700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe
700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe
2140	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe
2140	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe
Token: SeDebugPrivilege	2140	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 700 wrote to memory of 3548	700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe	78
PID 700 wrote to memory of 3548	700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe	78
PID 700 wrote to memory of 3548	700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe	78
PID 700 wrote to memory of 2140	700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe	80
PID 700 wrote to memory of 2140	700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe	80
PID 700 wrote to memory of 2140	700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe	80
PID 700 wrote to memory of 2140	700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe	80
PID 700 wrote to memory of 2140	700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe	80
PID 700 wrote to memory of 2140	700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe	80
PID 700 wrote to memory of 2140	700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe	80
PID 700 wrote to memory of 2140	700	01158bfc4ce6cb2c5a3cdbf661f13f8b.exe	80

C:\Users\Admin\AppData\Local\Temp\01158bfc4ce6cb2c5a3cdbf661f13f8b.exe
"C:\Users\Admin\AppData\Local\Temp\01158bfc4ce6cb2c5a3cdbf661f13f8b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:700
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VKAeWEikAShZpp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDCA5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3548
- C:\Users\Admin\AppData\Local\Temp\01158bfc4ce6cb2c5a3cdbf661f13f8b.exe
  "C:\Users\Admin\AppData\Local\Temp\01158bfc4ce6cb2c5a3cdbf661f13f8b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2140

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/700-119-0x00000000058F0000-0x0000000005DEE000-memory.dmp

Download

memory/700-116-0x0000000005850000-0x0000000005851000-memory.dmp

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memory/700-114-0x0000000000D70000-0x0000000000D71000-memory.dmp

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memory/700-120-0x0000000005760000-0x0000000005761000-memory.dmp

Download

memory/700-121-0x0000000005AA0000-0x0000000005AA1000-memory.dmp

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memory/700-122-0x0000000008EC0000-0x0000000008EC4000-memory.dmp

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memory/700-123-0x000000007EA80000-0x000000007EA81000-memory.dmp

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memory/700-124-0x0000000001750000-0x00000000017C4000-memory.dmp

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memory/700-125-0x0000000001810000-0x000000000184B000-memory.dmp

Download

memory/700-118-0x00000000058F0000-0x00000000058F1000-memory.dmp

Download

memory/700-117-0x0000000005DF0000-0x0000000005DF1000-memory.dmp

Download

memory/2140-128-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/2140-135-0x00000000053C0000-0x00000000058BE000-memory.dmp

Download

memory/2140-136-0x0000000005520000-0x0000000005521000-memory.dmp

Download

memory/2140-137-0x00000000060B0000-0x00000000060B1000-memory.dmp

Download