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 5 IoCs

resource	yara_rule
behavioral1/memory/2884-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2884-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2884-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2884-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2884-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2440 set thread context of 2884	2440	138e54e47019834c5452dad0a28decc3_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 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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2956	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2884	RegSvcs.exe
2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe
2884	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2884	RegSvcs.exe
Token: SeDebugPrivilege	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2956	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2956	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2956	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2956	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2884	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	33
PID 2440 wrote to memory of 2884	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	33
PID 2440 wrote to memory of 2884	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	33
PID 2440 wrote to memory of 2884	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	33
PID 2440 wrote to memory of 2884	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	33
PID 2440 wrote to memory of 2884	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	33
PID 2440 wrote to memory of 2884	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	33
PID 2440 wrote to memory of 2884	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	33
PID 2440 wrote to memory of 2884	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	33
PID 2440 wrote to memory of 2884	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	33
PID 2440 wrote to memory of 2884	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	33
PID 2440 wrote to memory of 2884	2440	138e54e47019834c5452dad0a28decc3_JaffaCakes118.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\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⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DZYPVztm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp61A0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2956
- 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:2884

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

System Information Discovery

1

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\tmp61A0.tmp

Filesize
1KB

MD5
9dccbf581d7f950a575976d382890104

SHA1
cb694790d32e68cc86f1a5e5d5bb29d125dca132

SHA256
a7907dfea04a7886237cabbf3875150a8c76f8462c2124453d6573ec5eb2bcff

SHA512
c55288b4600752f9f95e68c934f5e2e407e6b33ee720d016583a18b09cb33b05034da32b2b1a3f427b0f52f7f3130bc40214a6f10ad949ff709522828c36df1b

Download Submit
memory/2440-0-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

Filesize
4KB

Download
memory/2440-1-0x00000000013E0000-0x00000000014D0000-memory.dmp

Filesize
960KB

Download
memory/2440-2-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2440-3-0x0000000000590000-0x00000000005A6000-memory.dmp

Filesize
88KB

Download
memory/2440-4-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

Filesize
4KB

Download
memory/2440-5-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2440-6-0x0000000005700000-0x00000000057A2000-memory.dmp

Filesize
648KB

Download
memory/2440-7-0x0000000000BA0000-0x0000000000BDC000-memory.dmp

Filesize
240KB

Download
memory/2440-27-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2884-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2884-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2884-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2884-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2884-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2884-25-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-26-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2884-28-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-29-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads