agenttesla | 1c01390493fc6efc61f767ca138de2a88f68f58c1682a6aa85e40e9ccc5edf1e

Analysis

max time kernel
143s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
09/08/2021, 05:14

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General

Target
VAL-PO2108 .PDF.exe
Size 892KB
Sample210809-53h257l9rn
SHA256 1c01390493fc6efc61f767ca138de2a88f68f58c1682a6aa85e40e9ccc5edf1e
MD5 7d52762c7610c0997378832a9ba0fe71
SHA1 d9a1ad7a961b623bb2abb06245d7d2e49c340d2b
SHA512 90cc57ce3b0ddf53ac3b1ab0c1e7fd944a650d1526b0f6cfebc2e21eb286de7b89b810ca048b98c09d26d7979e300753b010b08356b209ce270bc4df4acfd797
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
ftp://ftp.bluecomunidad.com/
Port
21
Username
[email protected]
Password
nJaiOlt5MWVZ

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/1876-125-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1876-126-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral2/memory/1876-131-0x0000000005760000-0x0000000005C5E000-memory.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 808 set thread context of 1876	808	VAL-PO2108 .PDF.exe	78

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1876	VAL-PO2108 .PDF.exe
1876	VAL-PO2108 .PDF.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1876	VAL-PO2108 .PDF.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 1876	808	VAL-PO2108 .PDF.exe	78
PID 808 wrote to memory of 1876	808	VAL-PO2108 .PDF.exe	78
PID 808 wrote to memory of 1876	808	VAL-PO2108 .PDF.exe	78
PID 808 wrote to memory of 1876	808	VAL-PO2108 .PDF.exe	78
PID 808 wrote to memory of 1876	808	VAL-PO2108 .PDF.exe	78
PID 808 wrote to memory of 1876	808	VAL-PO2108 .PDF.exe	78
PID 808 wrote to memory of 1876	808	VAL-PO2108 .PDF.exe	78
PID 808 wrote to memory of 1876	808	VAL-PO2108 .PDF.exe	78

C:\Users\Admin\AppData\Local\Temp\VAL-PO2108 .PDF.exe
"C:\Users\Admin\AppData\Local\Temp\VAL-PO2108 .PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:808
- C:\Users\Admin\AppData\Local\Temp\VAL-PO2108 .PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\VAL-PO2108 .PDF.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1876

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

Replay Monitor

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Downloads

memory/808-114-0x00000000006B0000-0x00000000006B1000-memory.dmp

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memory/808-116-0x0000000005060000-0x0000000005061000-memory.dmp

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memory/808-117-0x0000000005600000-0x0000000005601000-memory.dmp

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memory/808-118-0x0000000005100000-0x0000000005101000-memory.dmp

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memory/808-119-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

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memory/808-120-0x0000000005260000-0x0000000005261000-memory.dmp

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memory/808-121-0x0000000005100000-0x00000000055FE000-memory.dmp

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memory/808-122-0x0000000005490000-0x00000000054A1000-memory.dmp

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memory/808-123-0x00000000075A0000-0x0000000007631000-memory.dmp

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memory/808-124-0x0000000009CA0000-0x0000000009CD8000-memory.dmp

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memory/1876-125-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1876-131-0x0000000005760000-0x0000000005C5E000-memory.dmp

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memory/1876-132-0x0000000005C40000-0x0000000005C41000-memory.dmp

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memory/1876-133-0x00000000064D0000-0x00000000064D1000-memory.dmp

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