agenttesla | 6241dbb3ab8453a01fe997b32e48cbc14345d714635f4559473c4221a68a62a9

General

Target

dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe
Size

784KB
MD5

dbc24fc7e05e040b1e9841d0d0b7a3e8
SHA1

e905a4a50768f0ec4723a504928841a784ce88df
SHA256

6241dbb3ab8453a01fe997b32e48cbc14345d714635f4559473c4221a68a62a9
SHA512

c535aa7ba9d9e33ef438e7fdea18da8fa5ff465e424e2ee838f32bea390b35cf8ffaf6583b7a5d93431db882aa69545bd08249140319e540e72f548ae981e588
SSDEEP

12288:H38ZC2jTIBwgM9poZThtKyx12lwLxog3rChBQhwIRP1z80Q8+ij5gSDu:XfzBw3PotKWR9h3On6t1Q0Q8fNgL

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan upx

Malware Config

Signatures

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

AgentTesla payload 8 IoCs

resource	yara_rule
behavioral2/memory/640-8-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral2/memory/640-7-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral2/memory/640-10-0x0000000000820000-0x000000000085C000-memory.dmp	family_agenttesla
behavioral2/memory/640-11-0x0000000000820000-0x000000000085C000-memory.dmp	family_agenttesla
behavioral2/memory/640-23-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral2/memory/640-25-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral2/memory/640-24-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral2/memory/640-26-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/640-4-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral2/memory/640-8-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral2/memory/640-7-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral2/memory/640-6-0x0000000000400000-0x0000000000485000-memory.dmp	upx

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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ggray = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Ggray\\Ggray.exe"	dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4884 set thread context of 640	4884	dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3380	640	WerFault.exe	85

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	dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4884	dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe
4884	dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe
640	dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe
640	dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4884	dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	640	dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 640	4884	dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe	85
PID 4884 wrote to memory of 640	4884	dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe	85
PID 4884 wrote to memory of 640	4884	dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Users\Admin\AppData\Local\Temp\dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\dbc24fc7e05e040b1e9841d0d0b7a3e8_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 1476
    3⤵
    - Program crash
    PID:3380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 640 -ip 640
1⤵
PID:3056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/640-6-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/640-31-0x0000000005890000-0x00000000058F6000-memory.dmp

Filesize
408KB

Download
memory/640-11-0x0000000000820000-0x000000000085C000-memory.dmp

Filesize
240KB

Download
memory/640-4-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/640-8-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/640-7-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/640-10-0x0000000000820000-0x000000000085C000-memory.dmp

Filesize
240KB

Download
memory/640-30-0x0000000005850000-0x0000000005868000-memory.dmp

Filesize
96KB

Download
memory/640-29-0x0000000004A90000-0x0000000004B2C000-memory.dmp

Filesize
624KB

Download
memory/640-28-0x00000000049A0000-0x0000000004A32000-memory.dmp

Filesize
584KB

Download
memory/640-25-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/640-23-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/640-24-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/640-26-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/640-27-0x0000000004B60000-0x0000000005104000-memory.dmp

Filesize
5.6MB

Download
memory/4884-1-0x00000000023D0000-0x00000000023E3000-memory.dmp

Filesize
76KB

Download
memory/4884-3-0x00000000023F0000-0x00000000023F1000-memory.dmp

Filesize
4KB

Download
memory/4884-12-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4884-0-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads