agenttesla | 76fbcd12b4067240949298ef0a8a970788e15808985d7f8ac37660816558db49

General

Target

BL draft pdf.exe
Size

758KB
MD5

7e7f55f473bc65b1ec8faa71fcb79092
SHA1

5875cdb728cb9523060b9c96265c55427381ad31
SHA256

7d51edd0feeee939f61acbc7ba9271fc6d034095076929d866dc6285c44dd02b
SHA512

480b21afa715943de6d9193783d91d0b34c0980b4f40988b3f79add526b70142fe5f3a462544ce0aab1cb1f232c9c1304e46a69737fb1625ac7111138710a664
SSDEEP

12288:mZdvG9gsBqk1k4z2p6CNndyXVfdyZbWeHkxQUaUSJ8PA1um2Tetqx:2G9gsBKG2cCXQfdyFWQSOJoAZ2iA

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.hermanusbearings.co.za
Port:
587
Username:
[email protected]
Password:
$Victory2019$

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2608-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2608-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2608-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2608-26-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2608-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 576 set thread context of 2608	576	BL draft pdf.exe	33

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 3 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	BL draft pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
2840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2608	RegSvcs.exe
2608	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2608	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 576 wrote to memory of 2840	576	BL draft pdf.exe	31
PID 576 wrote to memory of 2840	576	BL draft pdf.exe	31
PID 576 wrote to memory of 2840	576	BL draft pdf.exe	31
PID 576 wrote to memory of 2840	576	BL draft pdf.exe	31
PID 576 wrote to memory of 2608	576	BL draft pdf.exe	33
PID 576 wrote to memory of 2608	576	BL draft pdf.exe	33
PID 576 wrote to memory of 2608	576	BL draft pdf.exe	33
PID 576 wrote to memory of 2608	576	BL draft pdf.exe	33
PID 576 wrote to memory of 2608	576	BL draft pdf.exe	33
PID 576 wrote to memory of 2608	576	BL draft pdf.exe	33
PID 576 wrote to memory of 2608	576	BL draft pdf.exe	33
PID 576 wrote to memory of 2608	576	BL draft pdf.exe	33
PID 576 wrote to memory of 2608	576	BL draft pdf.exe	33
PID 576 wrote to memory of 2608	576	BL draft pdf.exe	33
PID 576 wrote to memory of 2608	576	BL draft pdf.exe	33
PID 576 wrote to memory of 2608	576	BL draft pdf.exe	33

C:\Users\Admin\AppData\Local\Temp\BL draft pdf.exe
"C:\Users\Admin\AppData\Local\Temp\BL draft pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:576
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qQlXxR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp16AC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2840
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

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

C:\Users\Admin\AppData\Local\Temp\tmp16AC.tmp

Filesize
1KB

MD5
8bd87c95d1b9b13e95798131253b825d

SHA1
909107704d50b56f82e2b3994ed7e211e8674716

SHA256
ef6edd2b67eb386fa2865b02603b2332e047611c7eb5cc700c46f0a3f9e73473

SHA512
5c4b143e072a05e0b9a746fb71c269bf5742424cbc102ac44fc826c4534421f119c6cf27037a23f944e8284aa247e47ba308039c2346318a356c1a65c74629aa

Download Submit
memory/576-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/576-1-0x0000000000030000-0x00000000000F4000-memory.dmp

Filesize
784KB

Download
memory/576-2-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/576-3-0x00000000006D0000-0x00000000006DA000-memory.dmp

Filesize
40KB

Download
memory/576-4-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/576-5-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/576-6-0x0000000004EF0000-0x0000000004F5A000-memory.dmp

Filesize
424KB

Download
memory/576-27-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2608-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2608-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2608-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2608-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2608-26-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2608-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2608-28-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2608-29-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-30-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-31-0x0000000074CB0000-0x000000007539E000-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