agenttesla | c89194184213a45a74e4e5faaeabff9324d89821b593ad2d03424bb6e16493a6

General

Target

138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe
Size

942KB
MD5

138e54e47019834c5452dad0a28decc3
SHA1

08c4d4abdfd1bfb07fcd9d3ee007e188e14e3653
SHA256

c89194184213a45a74e4e5faaeabff9324d89821b593ad2d03424bb6e16493a6
SHA512

ac32d1f625909d1454ac30a8edb6a0e319d7c019e853b577c882eb4f033fc1a9bedf08a935c0570da70504ab5170540df004a138e5375639a796fd1d5a93060e
SSDEEP

12288:MqrukKRNEKLgtavsUQYHW6Y7+upX4Gian27uvoBtNj7HS+qPjyu0GoQDXi5c/oHy:Trf8Eg3cL6qdz2VHpGOu43cnuKboM

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
FRESH@25212$

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/3704-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1348 set thread context of 3704	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	94

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	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
4108	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe
1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe
1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe
3704	RegSvcs.exe
3704	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe
Token: SeDebugPrivilege	3704	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 4108	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	91
PID 1348 wrote to memory of 4108	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	91
PID 1348 wrote to memory of 4108	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	91
PID 1348 wrote to memory of 3540	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	93
PID 1348 wrote to memory of 3540	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	93
PID 1348 wrote to memory of 3540	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	93
PID 1348 wrote to memory of 3704	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	94
PID 1348 wrote to memory of 3704	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	94
PID 1348 wrote to memory of 3704	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	94
PID 1348 wrote to memory of 3704	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	94
PID 1348 wrote to memory of 3704	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	94
PID 1348 wrote to memory of 3704	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	94
PID 1348 wrote to memory of 3704	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	94
PID 1348 wrote to memory of 3704	1348	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1348
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DZYPVztm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp23CF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4108
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:3540
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3704

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp23CF.tmp

Filesize
1KB

MD5
31050312f952ebc922bc27b497729203

SHA1
e44f8664e3cc6e2411808850bcb7c8113bc60b8d

SHA256
5a676ae7f7ac44c7e4a684aba72d9699a8bba8b0a8c7768d386a7d285f56ec79

SHA512
2f48d1393ff36269cedfe87ea4be587561c25ef0574dfaf6c7eff168c8786e0fc5dd3cf4e61ef6794591e7ebadc749f44fab93420aef697d580683f4466e13e7

Download Submit
memory/1348-12-0x00000000097F0000-0x000000000982C000-memory.dmp

Filesize
240KB

Download
memory/1348-8-0x0000000005980000-0x0000000005996000-memory.dmp

Filesize
88KB

Download
memory/1348-3-0x0000000005C70000-0x0000000006214000-memory.dmp

Filesize
5.6MB

Download
memory/1348-4-0x00000000056C0000-0x0000000005752000-memory.dmp

Filesize
584KB

Download
memory/1348-5-0x00000000055A0000-0x00000000055AA000-memory.dmp

Filesize
40KB

Download
memory/1348-6-0x0000000005850000-0x00000000058A6000-memory.dmp

Filesize
344KB

Download
memory/1348-7-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1348-1-0x0000000000B00000-0x0000000000BF0000-memory.dmp

Filesize
960KB

Download
memory/1348-9-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/1348-10-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1348-11-0x0000000007190000-0x0000000007232000-memory.dmp

Filesize
648KB

Download
memory/1348-2-0x0000000005620000-0x00000000056BC000-memory.dmp

Filesize
624KB

Download
memory/1348-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/1348-21-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3704-27-0x0000000006400000-0x0000000006450000-memory.dmp

Filesize
320KB

Download
memory/3704-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3704-22-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3704-23-0x00000000050E0000-0x00000000050F8000-memory.dmp

Filesize
96KB

Download
memory/3704-24-0x0000000005F80000-0x0000000005FE6000-memory.dmp

Filesize
408KB

Download
memory/3704-25-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3704-26-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3704-20-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3704-28-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3704-29-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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