agenttesla | 166bc7ce7a1d7395985340613e88e3058aa277a37b2079ff6c3bde6d3992a141

General

Target

055c7b3bb4cfdc848302fc355b283bdf_JaffaCakes118.exe
Size

299KB
MD5

055c7b3bb4cfdc848302fc355b283bdf
SHA1

3dfdd9c427551cd934925384dd80f64b88176c6e
SHA256

166bc7ce7a1d7395985340613e88e3058aa277a37b2079ff6c3bde6d3992a141
SHA512

9db6b009a757d6759c2284e2ab55ffc1f7c4497847af1994ccfb8cc210706313275da9f611e64bebac609c642d90c5510786706aaadabf172e4b6973fafa048a
SSDEEP

6144:kLfRiOnGUcvnRFRInVG8ALNIRzjtHBZwIxFXAvNaqivUXAiicBS:kLfR/kNMAOJCIHAvNxiv7iisS

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sajbh.com
Port:
587
Username:
[email protected]
Password:
Saj@2014
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/2416-3-0x00000000003B0000-0x00000000003EC000-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-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5012 set thread context of 2416	5012	055c7b3bb4cfdc848302fc355b283bdf_JaffaCakes118.exe	90

System Location Discovery: System Language Discovery 1 TTPs 2 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	055c7b3bb4cfdc848302fc355b283bdf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2416	MSBuild.exe
2416	MSBuild.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
5012	055c7b3bb4cfdc848302fc355b283bdf_JaffaCakes118.exe
5012	055c7b3bb4cfdc848302fc355b283bdf_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2416	MSBuild.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 2416	5012	055c7b3bb4cfdc848302fc355b283bdf_JaffaCakes118.exe	90
PID 5012 wrote to memory of 2416	5012	055c7b3bb4cfdc848302fc355b283bdf_JaffaCakes118.exe	90
PID 5012 wrote to memory of 2416	5012	055c7b3bb4cfdc848302fc355b283bdf_JaffaCakes118.exe	90
PID 5012 wrote to memory of 2416	5012	055c7b3bb4cfdc848302fc355b283bdf_JaffaCakes118.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\055c7b3bb4cfdc848302fc355b283bdf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\055c7b3bb4cfdc848302fc355b283bdf_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Users\Admin\AppData\Local\Temp\055c7b3bb4cfdc848302fc355b283bdf_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2416

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 --field-trial-handle=4324,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=3880 /prefetch:8
1⤵
PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2416-9-0x0000000004E50000-0x0000000004E68000-memory.dmp

Filesize
96KB

Download
memory/2416-11-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/2416-3-0x00000000003B0000-0x00000000003EC000-memory.dmp

Filesize
240KB

Download
memory/2416-4-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/2416-16-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/2416-6-0x0000000004C20000-0x0000000004CB2000-memory.dmp

Filesize
584KB

Download
memory/2416-15-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/2416-7-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/2416-5-0x00000000051D0000-0x0000000005774000-memory.dmp

Filesize
5.6MB

Download
memory/2416-10-0x0000000005BC0000-0x0000000005C26000-memory.dmp

Filesize
408KB

Download
memory/2416-8-0x0000000004EB0000-0x0000000004F4C000-memory.dmp

Filesize
624KB

Download
memory/2416-12-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/2416-13-0x0000000006020000-0x0000000006070000-memory.dmp

Filesize
320KB

Download
memory/2416-14-0x0000000006080000-0x000000000608A000-memory.dmp

Filesize
40KB

Download
memory/5012-2-0x00000000005D0000-0x00000000005D2000-memory.dmp

Filesize
8KB

Download
memory/5012-1-0x00000000000A0000-0x00000000001A0000-memory.dmp

Filesize
1024KB

Download

Analysis

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