agenttesla | 3a424e7e6289079d5cd9b836d7444c5924733cd5581b57189fa88af2b750e644

General

Target

12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
Size

622KB
MD5

12f8c645d60e20bf6ad00823d83b13d6
SHA1

c5f129679e967ed6c99db62a64ff54f53613fd16
SHA256

3a424e7e6289079d5cd9b836d7444c5924733cd5581b57189fa88af2b750e644
SHA512

22734175e621f6df01ed84d14c86cef1acb5196e596fcf44d5370f6dc8714b229bc5e68ec260c63861e7a53c9d0562fa0aec3a3e7c0a9a22a656007fa6688465
SSDEEP

12288:Wcdn9Pox2engU3L9iCXCQUy+NLBreWNAMg+MMMMMMMMMMMuMMMMMMMMMMMMMMMMx:WG+9cCStVreKg+MMMMMMMMMMMuMMMMMe

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
s1.20mb.nl
Port:
587
Username:
[email protected]
Password:
fgd436-=/eVNM!!@#)mmnb
Email To:
[email protected]

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/2436-59-0x0000000000400000-0x000000000043C000-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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
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-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4060 set thread context of 2436	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	101

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 5 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	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
3000	powershell.exe
3000	powershell.exe
3636	powershell.exe
3636	powershell.exe
4340	powershell.exe
4340	powershell.exe
4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
2436	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
2436	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
Token: SeDebugPrivilege	3000	powershell.exe
Token: SeDebugPrivilege	3636	powershell.exe
Token: SeDebugPrivilege	4340	powershell.exe
Token: SeDebugPrivilege	2436	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 3000	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	84
PID 4060 wrote to memory of 3000	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	84
PID 4060 wrote to memory of 3000	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	84
PID 4060 wrote to memory of 3636	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	86
PID 4060 wrote to memory of 3636	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	86
PID 4060 wrote to memory of 3636	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	86
PID 4060 wrote to memory of 4340	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	88
PID 4060 wrote to memory of 4340	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	88
PID 4060 wrote to memory of 4340	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	88
PID 4060 wrote to memory of 4332	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	99
PID 4060 wrote to memory of 4332	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	99
PID 4060 wrote to memory of 4332	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	99
PID 4060 wrote to memory of 380	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	100
PID 4060 wrote to memory of 380	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	100
PID 4060 wrote to memory of 380	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	100
PID 4060 wrote to memory of 2436	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	101
PID 4060 wrote to memory of 2436	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	101
PID 4060 wrote to memory of 2436	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	101
PID 4060 wrote to memory of 2436	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	101
PID 4060 wrote to memory of 2436	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	101
PID 4060 wrote to memory of 2436	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	101
PID 4060 wrote to memory of 2436	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	101
PID 4060 wrote to memory of 2436	4060	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12f8c645d60e20bf6ad00823d83b13d6_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:4060
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3000
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3636
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4340
- C:\Users\Admin\AppData\Local\Temp\12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
  2⤵
  PID:4332
- C:\Users\Admin\AppData\Local\Temp\12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
  2⤵
  PID:380
- C:\Users\Admin\AppData\Local\Temp\12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.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:2436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe.log

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
1KB

MD5
4280e36a29fa31c01e4d8b2ba726a0d8

SHA1
c485c2c9ce0a99747b18d899b71dfa9a64dabe32

SHA256
e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

SHA512
494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
16KB

MD5
105147a1d0ddcefd603212bb96920da5

SHA1
72de5141a61e4ad201255919482d2f5d245e9bde

SHA256
1777cc5430ed8d8d38cd2be0d5db2b811f2109058f71594d0fc8da83460d03f1

SHA512
44e835162c18549977579db0d8ac9f5ab92bc4cfdf8dabce58dc666637fb792b5df82b39ab70cb90d47bd296403493d24fcbcf4f3d29ec0e2d83aa544db43a96

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
16KB

MD5
38a811f80e511899aa870b450c0023ed

SHA1
75c5c821f7ddf29a55b366229e06fe61aa5f07f8

SHA256
a8cfb4cc9ea3ed170d8a1f5ecc2a595604a7d583fdbfd77880421acdd5cbaed5

SHA512
fe01c33d0488bc60ce17e3cd10169760f08bb996ef22b8e6b4b04b3f096ebff684c70e3cf75189442dc7be7d782c3186aa12d4798ab337a3df585948c570b264

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zmtvhgw2.on3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2436-68-0x0000000006D20000-0x0000000006D2A000-memory.dmp

Filesize
40KB

Download
memory/2436-67-0x0000000006840000-0x0000000006890000-memory.dmp

Filesize
320KB

Download
memory/2436-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2436-63-0x0000000005D40000-0x00000000062E4000-memory.dmp

Filesize
5.6MB

Download
memory/2436-64-0x0000000005830000-0x00000000058C2000-memory.dmp

Filesize
584KB

Download
memory/2436-65-0x00000000059C0000-0x0000000005A5C000-memory.dmp

Filesize
624KB

Download
memory/2436-66-0x0000000005810000-0x0000000005828000-memory.dmp

Filesize
96KB

Download
memory/3000-22-0x0000000008100000-0x000000000877A000-memory.dmp

Filesize
6.5MB

Download
memory/3000-6-0x0000000005AA0000-0x00000000060C8000-memory.dmp

Filesize
6.2MB

Download
memory/3000-20-0x00000000068B0000-0x00000000068CE000-memory.dmp

Filesize
120KB

Download
memory/3000-23-0x0000000006D60000-0x0000000006D7A000-memory.dmp

Filesize
104KB

Download
memory/3000-26-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/3000-19-0x00000000063A0000-0x00000000066F4000-memory.dmp

Filesize
3.3MB

Download
memory/3000-9-0x0000000006230000-0x0000000006296000-memory.dmp

Filesize
408KB

Download
memory/3000-8-0x00000000061C0000-0x0000000006226000-memory.dmp

Filesize
408KB

Download
memory/3000-3-0x0000000005310000-0x0000000005346000-memory.dmp

Filesize
216KB

Download
memory/3000-21-0x0000000006E50000-0x0000000006E9C000-memory.dmp

Filesize
304KB

Download
memory/3000-4-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/3000-5-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/3000-7-0x00000000059F0000-0x0000000005A12000-memory.dmp

Filesize
136KB

Download
memory/3636-31-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/3636-45-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/3636-42-0x0000000005A80000-0x0000000005DD4000-memory.dmp

Filesize
3.3MB

Download
memory/3636-32-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/3636-30-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-29-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-62-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-58-0x0000000002E80000-0x0000000002EA8000-memory.dmp

Filesize
160KB

Download
memory/4060-57-0x00000000054C0000-0x0000000005508000-memory.dmp

Filesize
288KB

Download
memory/4060-0-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

Filesize
4KB

Download
memory/4060-27-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

Filesize
4KB

Download
memory/4060-2-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-1-0x0000000000980000-0x0000000000A20000-memory.dmp

Filesize
640KB

Download

Analysis

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