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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/524-11-0x0000000000400000-0x000000000043C000-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-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\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-1-5-21-1904519900-954640453-4250331663-1000\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 4136 set thread context of 524 4136 1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe RegSvcs.exe

description	pid	process	target process
PID 4136 set thread context of 524	4136	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exeRegSvcs.exe

pid	process
4136	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe
4136	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe
4136	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe
524	RegSvcs.exe
524	RegSvcs.exe
524	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4136 1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe
Token: SeDebugPrivilege 524 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4136	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe
Token: SeDebugPrivilege	524	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe

description	pid	process	target process
PID 4136 wrote to memory of 524	4136	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 4136 wrote to memory of 524	4136	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 4136 wrote to memory of 524	4136	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 4136 wrote to memory of 524	4136	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 4136 wrote to memory of 524	4136	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 4136 wrote to memory of 524	4136	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 4136 wrote to memory of 524	4136	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe
PID 4136 wrote to memory of 524	4136	1891da5d3e931b537c1b9a7fb29582af_JaffaCakes118.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\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-1-5-21-1904519900-954640453-4250331663-1000\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:4136

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:524

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3788 --field-trial-handle=2228,i,521073434451423547,2311651514500527526,262144 --variations-seed-version /prefetch:8
1⤵
PID:4628

Network

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/524-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/524-23-0x0000000005490000-0x00000000054A0000-memory.dmp

Filesize
64KB

Download
memory/524-22-0x0000000006800000-0x0000000006850000-memory.dmp

Filesize
320KB

Download
memory/524-20-0x0000000005490000-0x00000000054A0000-memory.dmp

Filesize
64KB

Download
memory/524-19-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/524-17-0x0000000006480000-0x00000000064E6000-memory.dmp

Filesize
408KB

Download
memory/524-16-0x0000000005700000-0x0000000005718000-memory.dmp

Filesize
96KB

Download
memory/524-15-0x0000000005490000-0x00000000054A0000-memory.dmp

Filesize
64KB

Download
memory/524-14-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4136-5-0x0000000005510000-0x000000000551A000-memory.dmp

Filesize
40KB

Download
memory/4136-10-0x0000000006E50000-0x0000000006ED2000-memory.dmp

Filesize
520KB

Download
memory/4136-9-0x0000000006D30000-0x0000000006DCC000-memory.dmp

Filesize
624KB

Download
memory/4136-13-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4136-8-0x00000000053F0000-0x0000000005400000-memory.dmp

Filesize
64KB

Download
memory/4136-7-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4136-6-0x0000000006D20000-0x0000000006D2A000-memory.dmp

Filesize
40KB

Download
memory/4136-0-0x0000000000A20000-0x0000000000AB2000-memory.dmp

Filesize
584KB

Download
memory/4136-4-0x00000000053F0000-0x0000000005400000-memory.dmp

Filesize
64KB

Download
memory/4136-3-0x0000000005450000-0x00000000054E2000-memory.dmp

Filesize
584KB

Download
memory/4136-2-0x0000000005B00000-0x00000000060A4000-memory.dmp

Filesize
5.6MB

Download
memory/4136-1-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads