agenttesla | c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154

General

Target

c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe
Size

650KB
MD5

0846e2ec8c618ce82d0b5afe3d1d4bdc
SHA1

f62b82177f25af6d0dabd0bd8c2820270651ca79
SHA256

c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154
SHA512

1b53b80a2a6fbf582e8ba6ee22a6b4b5900dae3143adf4ccc47ffb41ff75af0fb46eaef58ad6836c0844f39b923d92e0d549db8fc5f83f198a7c29034606a163

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.theislandshipping.com
Port:
587
Username:
[email protected]
Password:
ship666

Signatures

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

AgentTesla Payload 6 IoCs

resource	yara_rule
behavioral1/memory/1220-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1220-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1220-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1220-65-0x000000000043787E-mapping.dmp	family_agenttesla
behavioral1/memory/1220-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1220-69-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1948 set thread context of 1220	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	30

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
1312	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1220	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe
1220	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1220	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1312	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	28
PID 1948 wrote to memory of 1312	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	28
PID 1948 wrote to memory of 1312	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	28
PID 1948 wrote to memory of 1312	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	28
PID 1948 wrote to memory of 1220	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	30
PID 1948 wrote to memory of 1220	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	30
PID 1948 wrote to memory of 1220	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	30
PID 1948 wrote to memory of 1220	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	30
PID 1948 wrote to memory of 1220	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	30
PID 1948 wrote to memory of 1220	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	30
PID 1948 wrote to memory of 1220	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	30
PID 1948 wrote to memory of 1220	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	30
PID 1948 wrote to memory of 1220	1948	c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe	30

C:\Users\Admin\AppData\Local\Temp\c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe
"C:\Users\Admin\AppData\Local\Temp\c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\staqGDhotB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8A2.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1312
- C:\Users\Admin\AppData\Local\Temp\c5918508f1e4174bf84c1553187cf08bac22d7358b91ab2bf39b8dda27a98154.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1220

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

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF8A2.tmp

Filesize
1KB

MD5
e1e3ca53efca2635957df3dd30b84b2b

SHA1
9d6b2d6556367b1663b383099067d03e991943ea

SHA256
5f74db713c1c301669608cdef0da5ab11f03bd907240cf1a4a500c22afe5ee7c

SHA512
1cf0ab7c52fcfff512332eefc1b45b6774330aa92bb3022aa20ee2550816ecf6110e432145c625f8f796c2e122fbf2f98f7a00072af6b90b5587e1a148cbb8e7

Download Submit
memory/1220-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1220-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1220-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1220-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1220-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1220-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1220-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1948-56-0x00000000048D0000-0x0000000004936000-memory.dmp

Filesize
408KB

Download
memory/1948-55-0x0000000000AF0000-0x0000000000B0C000-memory.dmp

Filesize
112KB

Download
memory/1948-54-0x0000000000B10000-0x0000000000BB8000-memory.dmp

Filesize
672KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads