agenttesla | e07d367746bd1758ff371cafef3dca07c54658c56c44597e425b9a95e8baf87a

General

Target

01092024_0051_30082024_PO-5490845-4S8068290.xlam
Size

682KB
MD5

76c282413a8c6edbf4a47919562a01ca
SHA1

7d7438892ef62c343b1b1740366ec7f60b600bf9
SHA256

e07d367746bd1758ff371cafef3dca07c54658c56c44597e425b9a95e8baf87a
SHA512

844b59bed86aa7d40cc306b3af5f0d3cf4207ac5f7cb074d4ef4c21da992530d02e103535595caa5d2ef5fe1dfc30c86ff6b9ead9ffbb136495ea9b35f24675e
SSDEEP

12288:h0Vb6zt3J9Lsd3/BxXXsmSGQ0TkHsJ5T+fVtXx4c7KL6cA39hkg:yVb6zRJ9Lsd3bXXXkMJ5T+fbXKc7Y6xH

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
cp8nl.hyperhost.ua
Port:
587
Username:
[email protected]
Password:
cy+G_(979n9N
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	2828	EQNEDT32.EXE

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2172	Fqgipmhy.exe

Loads dropped DLL 1 IoCs

pid	Process
2828	EQNEDT32.EXE

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x00070000000173e1-6.dat	upx
behavioral1/memory/2828-9-0x000000000A100000-0x000000000A253000-memory.dmp	upx
behavioral1/memory/2172-28-0x0000000000290000-0x00000000003E3000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2172-28-0x0000000000290000-0x00000000003E3000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 1388	2172	Fqgipmhy.exe	34

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	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Fqgipmhy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
2828	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2480	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1388	RegSvcs.exe
1388	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2172	Fqgipmhy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1388	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2172	Fqgipmhy.exe
2172	Fqgipmhy.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2172	Fqgipmhy.exe
2172	Fqgipmhy.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2480	EXCEL.EXE
2480	EXCEL.EXE
2480	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2172	2828	EQNEDT32.EXE	33
PID 2828 wrote to memory of 2172	2828	EQNEDT32.EXE	33
PID 2828 wrote to memory of 2172	2828	EQNEDT32.EXE	33
PID 2828 wrote to memory of 2172	2828	EQNEDT32.EXE	33
PID 2172 wrote to memory of 1388	2172	Fqgipmhy.exe	34
PID 2172 wrote to memory of 1388	2172	Fqgipmhy.exe	34
PID 2172 wrote to memory of 1388	2172	Fqgipmhy.exe	34
PID 2172 wrote to memory of 1388	2172	Fqgipmhy.exe	34
PID 2172 wrote to memory of 1388	2172	Fqgipmhy.exe	34
PID 2172 wrote to memory of 1388	2172	Fqgipmhy.exe	34
PID 2172 wrote to memory of 1388	2172	Fqgipmhy.exe	34
PID 2172 wrote to memory of 1388	2172	Fqgipmhy.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\01092024_0051_30082024_PO-5490845-4S8068290.xlam
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2480

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:2828
- C:\Users\Admin\AppData\Local\Temp\Fqgipmhy.exe
  C:\Users\Admin\AppData\Local\Temp\Fqgipmhy.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    C:\Users\Admin\AppData\Local\Temp\Fqgipmhy.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1388

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
588KB

MD5
d797600296ddbed4497725579d814b7e

SHA1
54b22078651dcee13472858d706f886a34678b2e

SHA256
c25a6673a24d169de1bb399d226c12cdc666e0fa534149fc9fa7896ee61d406f

SHA512
f3f9a54bc4da8c19434bf79a494736c16e4bd0cd539cdddd96742dc8bbd569dde7d51e6daca8ae13386e1a7f02efffc81dd713943917bfa107f66bf8c9d6e226

Download Submit
memory/1388-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1388-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1388-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2172-28-0x0000000000290000-0x00000000003E3000-memory.dmp

Filesize
1.3MB

Download
memory/2480-1-0x0000000072B6D000-0x0000000072B78000-memory.dmp

Filesize
44KB

Download
memory/2480-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2480-7-0x0000000072B6D000-0x0000000072B78000-memory.dmp

Filesize
44KB

Download
memory/2480-30-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2480-31-0x0000000072B6D000-0x0000000072B78000-memory.dmp

Filesize
44KB

Download
memory/2828-9-0x000000000A100000-0x000000000A253000-memory.dmp

Filesize
1.3MB

Download

Analysis

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