agenttesla | 0740099619ddb94ecd697c63011b3240d301c53ebb639fca9f19d855ab584017

General

Target

TT_COPY.exe
Size

421KB
MD5

458145b74718d73399391f3cd02e6192
SHA1

058788cc18f08f58e4104e33b9546f91053102f3
SHA256

008d79b95dd17c51b103bf87aabf1e5a3ecff06c2ff26a5b5bce23ac1e0dda9c
SHA512

e44d1fea9445603417ede137eb38462d47b63c035ed9bd81b1c901fa6d98594c54dfb16fee48f7deccad8086b107af7d664e604dc8cce64ee9781aa5d08cae68
SSDEEP

6144:xDxG2DAohI1g3YNFOvgwXnWgAsLiYRgfcpF0EAWMxRRLmKZ3QW1bGJ1:txGMnhIS3YTfycsBRCcLLAjxRl1gWZa

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aquariuslogistics.com
Port:
587
Username:
[email protected]
Password:
AQL@2019#$

Signatures

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

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

resource	yara_rule
behavioral1/memory/2640-5-0x0000000004CB0000-0x0000000004D04000-memory.dmp	rezer0

Drops file in Drivers directory 1 IoCs

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

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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2640 set thread context of 2696	2640	TT_COPY.exe	32

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 4 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	REG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TT_COPY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2804	REG.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
2704	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2696	RegSvcs.exe
2696	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2704	2640	TT_COPY.exe	30
PID 2640 wrote to memory of 2704	2640	TT_COPY.exe	30
PID 2640 wrote to memory of 2704	2640	TT_COPY.exe	30
PID 2640 wrote to memory of 2704	2640	TT_COPY.exe	30
PID 2640 wrote to memory of 2696	2640	TT_COPY.exe	32
PID 2640 wrote to memory of 2696	2640	TT_COPY.exe	32
PID 2640 wrote to memory of 2696	2640	TT_COPY.exe	32
PID 2640 wrote to memory of 2696	2640	TT_COPY.exe	32
PID 2640 wrote to memory of 2696	2640	TT_COPY.exe	32
PID 2640 wrote to memory of 2696	2640	TT_COPY.exe	32
PID 2640 wrote to memory of 2696	2640	TT_COPY.exe	32
PID 2640 wrote to memory of 2696	2640	TT_COPY.exe	32
PID 2640 wrote to memory of 2696	2640	TT_COPY.exe	32
PID 2640 wrote to memory of 2696	2640	TT_COPY.exe	32
PID 2640 wrote to memory of 2696	2640	TT_COPY.exe	32
PID 2640 wrote to memory of 2696	2640	TT_COPY.exe	32
PID 2696 wrote to memory of 2804	2696	RegSvcs.exe	34
PID 2696 wrote to memory of 2804	2696	RegSvcs.exe	34
PID 2696 wrote to memory of 2804	2696	RegSvcs.exe	34
PID 2696 wrote to memory of 2804	2696	RegSvcs.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\TT_COPY.exe
"C:\Users\Admin\AppData\Local\Temp\TT_COPY.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LFkPIyKKOVLJl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCEA5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2704
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2696
- - C:\Windows\SysWOW64\REG.exe
    REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

2

T1112

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\tmpCEA5.tmp

Filesize
1KB

MD5
87507b4487c16da1d510c1a55c34442c

SHA1
d5aa4666719dcbea34dc195c91531a8b3f04909f

SHA256
a0e7998d5bfab3a9c44f0c7276d6fe25ff272f1476ad56a5158f5d35d76f643a

SHA512
e52306491260b7092fd3255f8eb5c0b71e2feffc8890632b224ef93fffb75ef14f961ba1e61fc674e5e76c66ec9b414b51627ee1240085fa0e63c9a9649575ec

Download Submit
memory/2640-0-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2640-1-0x0000000000010000-0x0000000000080000-memory.dmp

Filesize
448KB

Download
memory/2640-2-0x0000000000410000-0x0000000000420000-memory.dmp

Filesize
64KB

Download
memory/2640-3-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2640-4-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2640-5-0x0000000004CB0000-0x0000000004D04000-memory.dmp

Filesize
336KB

Download
memory/2640-25-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2696-23-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2696-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2696-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2696-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2696-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2696-9-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2696-24-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-21-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2696-26-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-27-0x0000000074810000-0x0000000074EFE000-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