agenttesla | b7100d4e869329857f90ba16e477f2c4c48c5727d22fbbe1527000e99c447ece

General

Target

f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe
Size

996KB
MD5

f830db1a5928b263f4c2d85177d5ccd0
SHA1

96c132c104791b92d244aec47978231fefd0a462
SHA256

b7100d4e869329857f90ba16e477f2c4c48c5727d22fbbe1527000e99c447ece
SHA512

91344f6e3bc466ba37f6814d35b1011954f826f3e48b851c860e9dd4156ece35e3f7ee2b63c7c0ac96944c29741b319f73bd4f5e5bd3699c57073692bef10b89
SSDEEP

12288:liGONYctrVs++Tt2OPWIIsM2A5JxOQqCycYqVhgnPSFYDVJ+ul:li7aMrVaTt2OPWRsPA/o2hgVDV

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mazayacom.com
Port:
587
Username:
[email protected]
Password:
H.wnlB&4PJyF

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/2668-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2668-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2668-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2668-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2668-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1652 set thread context of 2668	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	33

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 4 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	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.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
2848	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe
2668	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe
2668	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe
Token: SeDebugPrivilege	2668	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 2848	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	31
PID 1652 wrote to memory of 2848	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	31
PID 1652 wrote to memory of 2848	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	31
PID 1652 wrote to memory of 2848	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	31
PID 1652 wrote to memory of 2668	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2668	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2668	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2668	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2668	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2668	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2668	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2668	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2668	1652	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	33
PID 2668 wrote to memory of 1252	2668	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	34
PID 2668 wrote to memory of 1252	2668	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	34
PID 2668 wrote to memory of 1252	2668	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	34
PID 2668 wrote to memory of 1252	2668	f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HyDxqGGkgeXD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB25E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2848
- C:\Users\Admin\AppData\Local\Temp\f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 520
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

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\tmpB25E.tmp

Filesize
1KB

MD5
8f0e9695d71bda152daee944d3c06ef3

SHA1
cdce6c7497ec9c7d0d3d07c2eb0795a6483f029b

SHA256
8b444d8cd793f818402037b60071e0e0022d72d37348607131322cab5eccd3f7

SHA512
068251ffb768b69d858136037b36fef08d76734776c84a6e51b02da5351c9f7a06c6cf8402ffd9a04db379524219be871ac9855cc7b57a3667f68ca47ea6cc1b

Download Submit
memory/1652-0-0x0000000074BC1000-0x0000000074BC2000-memory.dmp

Filesize
4KB

Download
memory/1652-1-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/1652-2-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/1652-3-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/1652-4-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/1652-25-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/2668-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2668-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2668-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2668-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2668-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2668-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2668-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2668-24-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/2668-27-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/2668-26-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/2668-28-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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