agenttesla | 71546cbaa665d49719f2bc15c29384c188a780a27991fa113cce14081f3ed991

General

Target

1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe
Size

562KB
MD5

1891da5d3e931b537c1b9a7fb29582af
SHA1

b7472085c2e843818d539d2b17a02810f186f7d2
SHA256

71546cbaa665d49719f2bc15c29384c188a780a27991fa113cce14081f3ed991
SHA512

827935705297764d0b292dc779317052076487b881fb6101cbdba06c683555b5cb053080f99cda26fbd3da020fc4a04fbe79e2be8d4a9c705005a89803948172
SSDEEP

12288:S2MsTzWxKpMswVZJ57pfDcP+7vcDV81XJmx4GdKhDeyay7ScE2tpSB:55TzWjzVZX97vcDV89Jm+tYa7S2tEB

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.citechco.net
Port:
587
Username:
[email protected]
Password:
Webana@321#

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2624-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2624-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2624-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2624-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2624-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2624-23-0x0000000000720000-0x0000000000760000-memory.dmp	family_agenttesla
behavioral1/memory/2624-26-0x0000000000720000-0x0000000000760000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe

description pid process target process

PID 2344 set thread context of 2624 2344 1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exeRegSvcs.exe

pid process

2344 1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe
2344 1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe
2624 RegSvcs.exe
2624 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2344 1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe
Token: SeDebugPrivilege 2624 RegSvcs.exe

description	pid	process	target process
PID 2344 set thread context of 2624	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe

pid	process
2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe
2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe
2624	RegSvcs.exe
2624	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe
Token: SeDebugPrivilege	2624	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe

description	pid	process	target process
PID 2344 wrote to memory of 2624	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 2344 wrote to memory of 2624	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 2344 wrote to memory of 2624	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 2344 wrote to memory of 2624	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 2344 wrote to memory of 2624	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 2344 wrote to memory of 2624	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 2344 wrote to memory of 2624	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 2344 wrote to memory of 2624	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 2344 wrote to memory of 2624	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 2344 wrote to memory of 2624	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 2344 wrote to memory of 2624	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 2344 wrote to memory of 2624	2344	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2344

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2624

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

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2344-0-0x0000000000D80000-0x0000000000E12000-memory.dmp

Filesize
584KB

Download
memory/2344-1-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-2-0x0000000000CA0000-0x0000000000CE0000-memory.dmp

Filesize
256KB

Download
memory/2344-3-0x0000000000660000-0x000000000066A000-memory.dmp

Filesize
40KB

Download
memory/2344-4-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-5-0x0000000000CA0000-0x0000000000CE0000-memory.dmp

Filesize
256KB

Download
memory/2344-6-0x00000000054D0000-0x0000000005552000-memory.dmp

Filesize
520KB

Download
memory/2344-21-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2624-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2624-22-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2624-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2624-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2624-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2624-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2624-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2624-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2624-23-0x0000000000720000-0x0000000000760000-memory.dmp

Filesize
256KB

Download
memory/2624-25-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2624-26-0x0000000000720000-0x0000000000760000-memory.dmp

Filesize
256KB

Download
memory/2624-28-0x0000000000720000-0x0000000000760000-memory.dmp

Filesize
256KB

Download
memory/2624-29-0x0000000000720000-0x0000000000760000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads