agenttesla | 81d56b3c7ac76cb16c15d4efe7a4d3658d80b17675b72b9300a237b333281bfd

General

Target

PaymentIBAN Confirmation.xlam
Size

793KB
MD5

2a58821e3a588505217167f1ca6e5d81
SHA1

8b0084213b557645e873aea87bf64234301979ca
SHA256

81d56b3c7ac76cb16c15d4efe7a4d3658d80b17675b72b9300a237b333281bfd
SHA512

f7375c125b962d0d76700d794b2b1579ec4b2c44c15a5966459f1763b20ca3944b50b44e531842785509b34debc87a744cf40a6c771fa9b724d2b09c4ca5f545
SSDEEP

24576:DFcDtqdP65MbRXuChLBnRL52c+dvwPTdVulpv:BcpcPZb5uc1RgdJw/av

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.worlorderbillions.top
Port:
587
Username:
[email protected]
Password:
~lhTqZ3?QKP@
Email To:
[email protected]

Signatures

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	2460	EQNEDT32.EXE

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2760	dqtrhFGUkkn.exe

Loads dropped DLL 1 IoCs

pid	Process
2460	EQNEDT32.EXE

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0006000000018710-6.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2760 set thread context of 2972	2760	dqtrhFGUkkn.exe	34

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	EQNEDT32.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dqtrhFGUkkn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Launches Equation Editor 1 TTPs 1 IoCs

Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

exploit

Exploitation for Client Execution

T1203

pid	Process
2460	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2124	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2972	RegSvcs.exe
2972	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2760	dqtrhFGUkkn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2972	RegSvcs.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2760	2460	EQNEDT32.EXE	33
PID 2460 wrote to memory of 2760	2460	EQNEDT32.EXE	33
PID 2460 wrote to memory of 2760	2460	EQNEDT32.EXE	33
PID 2460 wrote to memory of 2760	2460	EQNEDT32.EXE	33
PID 2760 wrote to memory of 2972	2760	dqtrhFGUkkn.exe	34
PID 2760 wrote to memory of 2972	2760	dqtrhFGUkkn.exe	34
PID 2760 wrote to memory of 2972	2760	dqtrhFGUkkn.exe	34
PID 2760 wrote to memory of 2972	2760	dqtrhFGUkkn.exe	34
PID 2760 wrote to memory of 2972	2760	dqtrhFGUkkn.exe	34
PID 2760 wrote to memory of 2972	2760	dqtrhFGUkkn.exe	34
PID 2760 wrote to memory of 2972	2760	dqtrhFGUkkn.exe	34
PID 2760 wrote to memory of 2972	2760	dqtrhFGUkkn.exe	34

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\PaymentIBAN Confirmation.xlam"
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2124

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\dqtrhFGUkkn.exe
  C:\Users\Admin\AppData\Local\Temp\dqtrhFGUkkn.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    C:\Users\Admin\AppData\Local\Temp\dqtrhFGUkkn.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\dqtrhFGUkkn.exe

Filesize
1.1MB

MD5
40a93e64a968a16b5139e7a5e4836353

SHA1
9937f069c1e5234c445d60da6dababc8bb846479

SHA256
242954fdb9c4f378cab67231b67484fce263d7371313f312ae7a6bcf16f8e150

SHA512
2223ca4e9fffa15529a92928a067cc78ce93a04f425e1d932b016f8e0be8deb4ac45e33984edbb43f15c519089d5822fc9993b6b94a56476379e079ca7b17739

Download Submit
memory/2124-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2124-1-0x000000007258D000-0x0000000072598000-memory.dmp

Filesize
44KB

Download
memory/2124-16-0x000000007258D000-0x0000000072598000-memory.dmp

Filesize
44KB

Download
memory/2972-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2972-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2972-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

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