agenttesla | 991ee05457120e50152eb9a32891d6783ae6aaaa6c2f4a3753da2215077b0f00

General

Target

e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe
Size

1.2MB
MD5

e195f4b393107d92d56da2a2c9881567
SHA1

f1030e939e3436801bd884f0d3057d0375808c44
SHA256

991ee05457120e50152eb9a32891d6783ae6aaaa6c2f4a3753da2215077b0f00
SHA512

9901c809c8f3171c2470e32b40ae92a8d7af4ab21acf6c3fd6f0bb19f7bc1474872f0627fc4f788bc1e6c9e0700b20265d27e4ca2d86d905e5b447318aaafb5f
SSDEEP

12288:YVHjzZizJgzPFUDPFj6jRPLjRPqjBjjyjBjBjBjBjLjsYb4L73rtaXdi2DCA18je:6jzZNCDni4L7wXY2Gymj98501kYMD

Score

10^/10

agenttesla discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.mivante.com
Port:
587
Username:
[email protected]
Password:
OlbIZyE0

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/3620-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe

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\VideoBiosVersion	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.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	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1712 set thread context of 3620	1712	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe	97

System Location Discovery: System Language Discovery 1 TTPs 2 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	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1712	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe
3620	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe
3620	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe
Token: SeDebugPrivilege	3620	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 3620	1712	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe	97
PID 1712 wrote to memory of 3620	1712	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe	97
PID 1712 wrote to memory of 3620	1712	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe	97
PID 1712 wrote to memory of 3620	1712	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe	97
PID 1712 wrote to memory of 3620	1712	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe	97
PID 1712 wrote to memory of 3620	1712	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe	97
PID 1712 wrote to memory of 3620	1712	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe	97
PID 1712 wrote to memory of 3620	1712	e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e195f4b393107d92d56da2a2c9881567_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1712-13-0x00000000069A0000-0x00000000069AA000-memory.dmp

Filesize
40KB

Download
memory/1712-2-0x0000000005790000-0x000000000582C000-memory.dmp

Filesize
624KB

Download
memory/1712-14-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/1712-3-0x0000000005DE0000-0x0000000006384000-memory.dmp

Filesize
5.6MB

Download
memory/1712-4-0x00000000058D0000-0x0000000005962000-memory.dmp

Filesize
584KB

Download
memory/1712-5-0x0000000005740000-0x0000000005752000-memory.dmp

Filesize
72KB

Download
memory/1712-6-0x0000000006390000-0x00000000066E4000-memory.dmp

Filesize
3.3MB

Download
memory/1712-7-0x00000000058C0000-0x00000000058CA000-memory.dmp

Filesize
40KB

Download
memory/1712-15-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1712-9-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1712-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/1712-1-0x0000000000CC0000-0x0000000000DFC000-memory.dmp

Filesize
1.2MB

Download
memory/1712-8-0x0000000005AC0000-0x0000000005B16000-memory.dmp

Filesize
344KB

Download
memory/1712-16-0x0000000006D00000-0x0000000006D64000-memory.dmp

Filesize
400KB

Download
memory/1712-17-0x0000000008EA0000-0x0000000008F06000-memory.dmp

Filesize
408KB

Download
memory/1712-21-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3620-20-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3620-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3620-22-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3620-23-0x0000000005280000-0x0000000005298000-memory.dmp

Filesize
96KB

Download
memory/3620-24-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3620-25-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads