agenttesla | 79092f23a261bfbeb3398707d48c1e5c230517d5258d3b82477450484a925577

General

Target

IMG_0009786R445TGUH.exe
Size

423KB
MD5

f6cec1316813848e64a78fe3d6d29386
SHA1

ee1422deba8ead728f95c22c2b0ccfb984c00c33
SHA256

2b9ac04e330dd1d57544561da42bd8826c516e16b1acb6e70aa07d38f8152cde
SHA512

174e73448b7a1d9002deb0957c33e5939601ba0c79038f33d00e16bf0548ffdbd0165754d52f8b830a517bc499c58e755d6926b902fc02225fbe63e488c208e0

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
mkoify147@@@

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/204-139-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

IMG_0009786R445TGUH.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	IMG_0009786R445TGUH.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

IMG_0009786R445TGUH.exe

description pid process target process

PID 4160 set thread context of 204 4160 IMG_0009786R445TGUH.exe RegSvcs.exe
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

Processes:

schtasks.exe

pid process

4112 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

IMG_0009786R445TGUH.exeRegSvcs.exe

pid process

4160 IMG_0009786R445TGUH.exe
4160 IMG_0009786R445TGUH.exe
4160 IMG_0009786R445TGUH.exe
204 RegSvcs.exe
204 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

IMG_0009786R445TGUH.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4160 IMG_0009786R445TGUH.exe
Token: SeDebugPrivilege 204 RegSvcs.exe

description	pid	process	target process
PID 4160 set thread context of 204	4160	IMG_0009786R445TGUH.exe	RegSvcs.exe

pid	process
4112	schtasks.exe

pid	process
4160	IMG_0009786R445TGUH.exe
4160	IMG_0009786R445TGUH.exe
4160	IMG_0009786R445TGUH.exe
204	RegSvcs.exe
204	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4160	IMG_0009786R445TGUH.exe
Token: SeDebugPrivilege	204	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

IMG_0009786R445TGUH.exeRegSvcs.exe

description	pid	process	target process
PID 4160 wrote to memory of 4112	4160	IMG_0009786R445TGUH.exe	schtasks.exe
PID 4160 wrote to memory of 4112	4160	IMG_0009786R445TGUH.exe	schtasks.exe
PID 4160 wrote to memory of 4112	4160	IMG_0009786R445TGUH.exe	schtasks.exe
PID 4160 wrote to memory of 344	4160	IMG_0009786R445TGUH.exe	RegSvcs.exe
PID 4160 wrote to memory of 344	4160	IMG_0009786R445TGUH.exe	RegSvcs.exe
PID 4160 wrote to memory of 344	4160	IMG_0009786R445TGUH.exe	RegSvcs.exe
PID 4160 wrote to memory of 204	4160	IMG_0009786R445TGUH.exe	RegSvcs.exe
PID 4160 wrote to memory of 204	4160	IMG_0009786R445TGUH.exe	RegSvcs.exe
PID 4160 wrote to memory of 204	4160	IMG_0009786R445TGUH.exe	RegSvcs.exe
PID 4160 wrote to memory of 204	4160	IMG_0009786R445TGUH.exe	RegSvcs.exe
PID 4160 wrote to memory of 204	4160	IMG_0009786R445TGUH.exe	RegSvcs.exe
PID 4160 wrote to memory of 204	4160	IMG_0009786R445TGUH.exe	RegSvcs.exe
PID 4160 wrote to memory of 204	4160	IMG_0009786R445TGUH.exe	RegSvcs.exe
PID 4160 wrote to memory of 204	4160	IMG_0009786R445TGUH.exe	RegSvcs.exe
PID 204 wrote to memory of 1596	204	RegSvcs.exe	netsh.exe
PID 204 wrote to memory of 1596	204	RegSvcs.exe	netsh.exe
PID 204 wrote to memory of 1596	204	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\IMG_0009786R445TGUH.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_0009786R445TGUH.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4160
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hfYZuV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAC23.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4112
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:344
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:204
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:1596

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

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAC23.tmp

Filesize
1KB

MD5
ca410b517abf3ea276f0c8bad4bd6599

SHA1
7eea87a91676aa0dd81b4a63e22a38e962ab706a

SHA256
90d6c36e51e745948addd97a9fef2b8dff98e36e2e36be71281ab12ef6b35ea0

SHA512
2df70028d6f5aabbfca7565c9c0a93e16a61538cc51d9383d261e9c3f55317eb37282d27bd51caa89a41146998917b0fc8a0cceb8da6f2774c4721cf92557508

Download Submit
memory/204-139-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/204-138-0x0000000000000000-mapping.dmp

Download
memory/204-140-0x0000000006020000-0x0000000006086000-memory.dmp

Filesize
408KB

Download
memory/204-142-0x0000000006650000-0x00000000066A0000-memory.dmp

Filesize
320KB

Download
memory/344-137-0x0000000000000000-mapping.dmp

Download
memory/1596-141-0x0000000000000000-mapping.dmp

Download
memory/4112-135-0x0000000000000000-mapping.dmp

Download
memory/4160-132-0x0000000004E80000-0x0000000004F12000-memory.dmp

Filesize
584KB

Download
memory/4160-133-0x0000000005030000-0x000000000503A000-memory.dmp

Filesize
40KB

Download
memory/4160-134-0x0000000008960000-0x00000000089FC000-memory.dmp

Filesize
624KB

Download
memory/4160-131-0x0000000005390000-0x0000000005934000-memory.dmp

Filesize
5.6MB

Download
memory/4160-130-0x00000000005B0000-0x0000000000620000-memory.dmp

Filesize
448KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads