agenttesla | c40494d637703cf522f63d0da647f840bbe38af14682c54b714d2a4ce885d849

General

Target

f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe
Size

531KB
MD5

f15857b8ea1100109a34a30f3c661919
SHA1

45bb29c85fc283e91ed586ae2709f91c06608597
SHA256

c40494d637703cf522f63d0da647f840bbe38af14682c54b714d2a4ce885d849
SHA512

c21fc3899611203a291db75b72c3fcbdd94bfc39d4b9240b21f5e793de3f0f28141f58394ebaffb1bad71948c1b54f02b64990a8366a1c12edea40047d79a012
SSDEEP

6144:7f2Mn+vTVWLJPYE+vZz9cYoWw/QFP37jQZqcXk1svNx10Vssge/PtRx/I0XjX:r2M+Rq3+vbcYolU/QZVX7vNeV7/xXj

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cleo2solutions.com.au
Port:
587
Username:
[email protected]
Password:
eve41#0221F

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/3608-12-0x0000000000400000-0x000000000043C000-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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4828 set thread context of 3608	4828	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe	92

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	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3608	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe
3608	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3608	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 3608	4828	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe	92
PID 4828 wrote to memory of 3608	4828	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe	92
PID 4828 wrote to memory of 3608	4828	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe	92
PID 4828 wrote to memory of 3608	4828	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe	92
PID 4828 wrote to memory of 3608	4828	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe	92
PID 4828 wrote to memory of 3608	4828	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe	92
PID 4828 wrote to memory of 3608	4828	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe	92
PID 4828 wrote to memory of 3608	4828	f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Users\Admin\AppData\Local\Temp\f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3608

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f15857b8ea1100109a34a30f3c661919_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/3608-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3608-21-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/3608-20-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/3608-19-0x0000000006460000-0x00000000064C6000-memory.dmp

Filesize
408KB

Download
memory/3608-18-0x00000000057D0000-0x00000000057E8000-memory.dmp

Filesize
96KB

Download
memory/3608-17-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/3608-15-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4828-5-0x0000000005620000-0x000000000562A000-memory.dmp

Filesize
40KB

Download
memory/4828-9-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/4828-10-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4828-11-0x0000000006360000-0x00000000063CA000-memory.dmp

Filesize
424KB

Download
memory/4828-8-0x0000000005840000-0x000000000584A000-memory.dmp

Filesize
40KB

Download
memory/4828-7-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4828-16-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4828-6-0x0000000005870000-0x00000000058C6000-memory.dmp

Filesize
344KB

Download
memory/4828-0-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/4828-4-0x00000000056A0000-0x0000000005732000-memory.dmp

Filesize
584KB

Download
memory/4828-3-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/4828-2-0x0000000005550000-0x00000000055EC000-memory.dmp

Filesize
624KB

Download
memory/4828-1-0x0000000000C80000-0x0000000000D0C000-memory.dmp

Filesize
560KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads