agenttesla | cba011ff738721f548b90c2297b21da4e3292ddd215dbce5a1b5df3371e8dadd

Analysis

max time kernel
147s
max time network
103s
platform
windows10_x64
resource
win10v20201028
submitted
07/03/2021, 07:46

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General

Target
c6b4f3ee78233d773c9d4b774a853ef7.exe
Size 849KB
Sample210307-vfd55s3xe6
SHA256 cba011ff738721f548b90c2297b21da4e3292ddd215dbce5a1b5df3371e8dadd
MD5 c6b4f3ee78233d773c9d4b774a853ef7
SHA1 5d21215945e383f312f60d2b07e63abc2ed4265a
SHA512 fe6a1096520eb714f7a42c71eea78f0d1421e44deb0da79c4ca816c7579d29a3f6e759c38cc6fac7f6b423bde2b3b236dba03dd6207ed77cafc181bb47dc9da0
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 2 IoCs

resource	yara_rule
behavioral2/memory/1096-16-0x000000000043762E-mapping.dmp	family_agenttesla
behavioral2/memory/1096-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1056 set thread context of 1096	1056	c6b4f3ee78233d773c9d4b774a853ef7.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
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1096	c6b4f3ee78233d773c9d4b774a853ef7.exe
1096	c6b4f3ee78233d773c9d4b774a853ef7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1096	c6b4f3ee78233d773c9d4b774a853ef7.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 2828	1056	c6b4f3ee78233d773c9d4b774a853ef7.exe	78
PID 1056 wrote to memory of 2828	1056	c6b4f3ee78233d773c9d4b774a853ef7.exe	78
PID 1056 wrote to memory of 2828	1056	c6b4f3ee78233d773c9d4b774a853ef7.exe	78
PID 1056 wrote to memory of 1096	1056	c6b4f3ee78233d773c9d4b774a853ef7.exe	80
PID 1056 wrote to memory of 1096	1056	c6b4f3ee78233d773c9d4b774a853ef7.exe	80
PID 1056 wrote to memory of 1096	1056	c6b4f3ee78233d773c9d4b774a853ef7.exe	80
PID 1056 wrote to memory of 1096	1056	c6b4f3ee78233d773c9d4b774a853ef7.exe	80
PID 1056 wrote to memory of 1096	1056	c6b4f3ee78233d773c9d4b774a853ef7.exe	80
PID 1056 wrote to memory of 1096	1056	c6b4f3ee78233d773c9d4b774a853ef7.exe	80
PID 1056 wrote to memory of 1096	1056	c6b4f3ee78233d773c9d4b774a853ef7.exe	80
PID 1056 wrote to memory of 1096	1056	c6b4f3ee78233d773c9d4b774a853ef7.exe	80

C:\Users\Admin\AppData\Local\Temp\c6b4f3ee78233d773c9d4b774a853ef7.exe
"C:\Users\Admin\AppData\Local\Temp\c6b4f3ee78233d773c9d4b774a853ef7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PzRoDTODDrjPp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp134.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2828
- C:\Users\Admin\AppData\Local\Temp\c6b4f3ee78233d773c9d4b774a853ef7.exe
  "C:\Users\Admin\AppData\Local\Temp\c6b4f3ee78233d773c9d4b774a853ef7.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1096

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

Replay Monitor

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Downloads

memory/1056-11-0x0000000004C90000-0x0000000004C91000-memory.dmp

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memory/1056-5-0x0000000004930000-0x0000000004931000-memory.dmp

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memory/1056-7-0x0000000004A80000-0x0000000004A81000-memory.dmp

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memory/1056-8-0x0000000004A10000-0x0000000004A11000-memory.dmp

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memory/1056-9-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

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memory/1056-10-0x0000000004A30000-0x0000000004A37000-memory.dmp

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memory/1056-2-0x0000000073940000-0x000000007402E000-memory.dmp

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memory/1056-12-0x0000000005790000-0x00000000057ED000-memory.dmp

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memory/1056-3-0x0000000000080000-0x0000000000081000-memory.dmp

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memory/1056-6-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

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memory/1096-15-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1096-18-0x0000000073940000-0x000000007402E000-memory.dmp

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memory/1096-23-0x0000000005640000-0x0000000005641000-memory.dmp

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memory/1096-24-0x0000000005B20000-0x0000000005B21000-memory.dmp

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memory/1096-25-0x0000000006310000-0x0000000006311000-memory.dmp

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