agenttesla | ef7f42f8ebfbe4e4067d95271ae8278a1aefe56250f0f34463c7a5ad263e3f72

General

Target

c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
Size

728KB
MD5

c8d3858bd9a46cf7d187ff76319de971
SHA1

82decde8004e36fb327d19a87c1e8b462e64f90f
SHA256

ef7f42f8ebfbe4e4067d95271ae8278a1aefe56250f0f34463c7a5ad263e3f72
SHA512

fd7d9c809753536240111dc2c7c53cd1db7a5dc19e10940cced6338164717361910c3353721041c73f8b0eba0aaf83613f183b5d46914a4f0fcd3e3565d51af6
SSDEEP

12288:GAuHRzXMlIGvLG9OgLrNMMfZppd3PSXdFXOzkiM:GAIRzXW6saMSeFXOz/

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
SAIRAM@98765

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2060-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2060-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2060-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2060-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2060-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 2060	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2552	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2060	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
2060	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2060	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2060	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2552	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	30
PID 2680 wrote to memory of 2552	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	30
PID 2680 wrote to memory of 2552	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	30
PID 2680 wrote to memory of 2552	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	30
PID 2680 wrote to memory of 2060	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	32
PID 2680 wrote to memory of 2060	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	32
PID 2680 wrote to memory of 2060	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	32
PID 2680 wrote to memory of 2060	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	32
PID 2680 wrote to memory of 2060	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	32
PID 2680 wrote to memory of 2060	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	32
PID 2680 wrote to memory of 2060	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	32
PID 2680 wrote to memory of 2060	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	32
PID 2680 wrote to memory of 2060	2680	c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qTseYAZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4C8B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2552
- C:\Users\Admin\AppData\Local\Temp\c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c8d3858bd9a46cf7d187ff76319de971_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:2060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4C8B.tmp

Filesize
1KB

MD5
d91104c4442cbd80dc435ad04525dd72

SHA1
92be313c5fc24bdc0be828170ef83d79a751cf74

SHA256
4e1dcb2bb31e17745807fa366c17676e92122f3ff4d0d586d6fb68ad1056da81

SHA512
8fec24e77bd7ca0ac9788a456b1590e0000645211f6570e11c51bcbe13301176f9837106b67a6303ecd05a67f62ef9a3d86008f24df1118049e5ab05133c4d00

Download Submit
memory/2060-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2060-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2060-27-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2060-26-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2060-25-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2060-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2060-23-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2060-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2060-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2060-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2060-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2060-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2680-6-0x0000000005130000-0x000000000519A000-memory.dmp

Filesize
424KB

Download
memory/2680-2-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2680-0-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/2680-24-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2680-1-0x0000000000D40000-0x0000000000DFC000-memory.dmp

Filesize
752KB

Download
memory/2680-5-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2680-4-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/2680-3-0x0000000000330000-0x000000000033A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads