agenttesla | 3ed8419c2605c725c052c010e4c14e3a7fe9834f1a6e7f6da61a7fa5367a8719

General

Target

New Order #QAY3763.xlam
Size

660KB
MD5

3b65d19f4f8f6a78f0b81a76b4377466
SHA1

96e39dfd3899d6c2c0525986bb98f62daf3bce47
SHA256

ca94f672e0a78076b32e25a4acd186f60de0986dcebcd4d8bb61f3ceca33eb01
SHA512

001096df097bd1929fd098812f4318282a121d6ce86ca6ff0ad072313cec79cbfe1fd634cad82fcedd0347631b61528c4a36c8801d74041cc68b719b4b48588d
SSDEEP

12288:Wok4BI3UyDxjeRcWQ/HgtBAZINcIOIPHd9yBoju85QCIp/f1:44y3UK+JS1ZINjA8ni

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:
3^?r?mtxk(kt
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	352	EQNEDT32.EXE

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2872	xajirijkb.exe

Loads dropped DLL 1 IoCs

pid	Process
352	EQNEDT32.EXE

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0006000000019524-6.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2872 set thread context of 2604	2872	xajirijkb.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	xajirijkb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.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
352	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3032	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2604	RegSvcs.exe
2604	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2872	xajirijkb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2604	RegSvcs.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3032	EXCEL.EXE
3032	EXCEL.EXE
3032	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 352 wrote to memory of 2872	352	EQNEDT32.EXE	33
PID 352 wrote to memory of 2872	352	EQNEDT32.EXE	33
PID 352 wrote to memory of 2872	352	EQNEDT32.EXE	33
PID 352 wrote to memory of 2872	352	EQNEDT32.EXE	33
PID 2872 wrote to memory of 2604	2872	xajirijkb.exe	34
PID 2872 wrote to memory of 2604	2872	xajirijkb.exe	34
PID 2872 wrote to memory of 2604	2872	xajirijkb.exe	34
PID 2872 wrote to memory of 2604	2872	xajirijkb.exe	34
PID 2872 wrote to memory of 2604	2872	xajirijkb.exe	34
PID 2872 wrote to memory of 2604	2872	xajirijkb.exe	34
PID 2872 wrote to memory of 2604	2872	xajirijkb.exe	34
PID 2872 wrote to memory of 2604	2872	xajirijkb.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\New Order #QAY3763.xlam"
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3032

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:352
- C:\Users\Admin\AppData\Local\Temp\xajirijkb.exe
  C:\Users\Admin\AppData\Local\Temp\xajirijkb.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    C:\Users\Admin\AppData\Local\Temp\xajirijkb.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2604

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\xajirijkb.exe

Filesize
1.1MB

MD5
1ea3b00d00461c1ee3c576e21dcda173

SHA1
282298785faf46420d155cba5b9a3225522330c7

SHA256
1503c743ab140a8432b5e5b11b1af03090df97fb1c4819c38996862dd9f023d2

SHA512
b387291bf3d696cab49aa079c06e62e1c873ffcb1373802d1d4f2dd4bad98308befb694c1f30e9af9e9c1b04b26f092479b0fe289618cf2a2dcc4e5595d4a23c

Download Submit
memory/2604-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2604-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2604-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3032-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/3032-1-0x0000000071B9D000-0x0000000071BA8000-memory.dmp

Filesize
44KB

Download
memory/3032-16-0x0000000071B9D000-0x0000000071BA8000-memory.dmp

Filesize
44KB

Download

Analysis

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