agenttesla | 07d6953a68436385a5c78086ae9cf68fb5f5e44adeb6333f84aaa0ffd94a0ed5

General

Target

PURCHASE LIST.exe
Size

509KB
MD5

84bd92a1862e1c85ce69e671f74fa6e1
SHA1

7fa8144f716efef6b201b12672aa21882f6e1428
SHA256

07d6953a68436385a5c78086ae9cf68fb5f5e44adeb6333f84aaa0ffd94a0ed5
SHA512

ae488f9a861febe9fd96b9b44e8faf91cf8dc2c2a49f32e400a7b6e58a68a46a75a640a64985ba47818af21e7687be43676616ca7d788a71bb4f80cd5c33da04

Score

10^/10

agenttesla nanocore coreentity evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mentorpublishing.co.ke
Port:
587
Username:
info@mentorpublishing.co.ke
Password:
Sam072493

Signatures

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

CoreEntity .NET Packer 1 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral2/memory/3980-6-0x0000000005340000-0x0000000005343000-memory.dmp	coreentity

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

AgentTesla Payload 13 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4032-9-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral2/memory/4032-10-0x000000000044CD3E-mapping.dmp	family_agenttesla
behavioral2/memory/4032-20-0x000000000044CD3E-mapping.dmp	family_agenttesla
behavioral2/memory/4032-23-0x000000000044CD3E-mapping.dmp	family_agenttesla
behavioral2/memory/4032-24-0x000000000044CD3E-mapping.dmp	family_agenttesla
behavioral2/memory/4032-30-0x000000000044CD3E-mapping.dmp	family_agenttesla
behavioral2/memory/4032-29-0x000000000044CD3E-mapping.dmp	family_agenttesla
behavioral2/memory/4032-28-0x000000000044CD3E-mapping.dmp	family_agenttesla
behavioral2/memory/4032-27-0x000000000044CD3E-mapping.dmp	family_agenttesla
behavioral2/memory/4032-26-0x000000000044CD3E-mapping.dmp	family_agenttesla
behavioral2/memory/4032-25-0x000000000044CD3E-mapping.dmp	family_agenttesla
behavioral2/memory/4032-22-0x000000000044CD3E-mapping.dmp	family_agenttesla
behavioral2/memory/4032-21-0x000000000044CD3E-mapping.dmp	family_agenttesla

rezer0 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral2/memory/3980-7-0x000000000B380000-0x000000000B3D3000-memory.dmp	rezer0

Disables Task Manager via registry modification
evasion
Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

PURCHASE LIST.exe

description pid process target process

PID 3980 set thread context of 4032 3980 PURCHASE LIST.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1696 4032 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1124 REG.exe

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

description	pid	process	target process
PID 3980 set thread context of 4032	3980	PURCHASE LIST.exe	RegSvcs.exe

pid	pid_target	process	target process
1696	4032	WerFault.exe	RegSvcs.exe

pid	process
1124	REG.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

RegSvcs.exeWerFault.exe

pid	process
4032	RegSvcs.exe
4032	RegSvcs.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

PURCHASE LIST.exeRegSvcs.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	3980	PURCHASE LIST.exe
Token: SeDebugPrivilege	4032	RegSvcs.exe
Token: SeRestorePrivilege	1696	WerFault.exe
Token: SeBackupPrivilege	1696	WerFault.exe
Token: SeDebugPrivilege	1696	WerFault.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

PURCHASE LIST.exe

pid process

3980 PURCHASE LIST.exe
3980 PURCHASE LIST.exe

pid	process
3980	PURCHASE LIST.exe
3980	PURCHASE LIST.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PURCHASE LIST.exeRegSvcs.exe

description	pid	process	target process
PID 3980 wrote to memory of 4032	3980	PURCHASE LIST.exe	RegSvcs.exe
PID 3980 wrote to memory of 4032	3980	PURCHASE LIST.exe	RegSvcs.exe
PID 3980 wrote to memory of 4032	3980	PURCHASE LIST.exe	RegSvcs.exe
PID 3980 wrote to memory of 4032	3980	PURCHASE LIST.exe	RegSvcs.exe
PID 3980 wrote to memory of 4032	3980	PURCHASE LIST.exe	RegSvcs.exe
PID 3980 wrote to memory of 4032	3980	PURCHASE LIST.exe	RegSvcs.exe
PID 3980 wrote to memory of 4032	3980	PURCHASE LIST.exe	RegSvcs.exe
PID 3980 wrote to memory of 4032	3980	PURCHASE LIST.exe	RegSvcs.exe
PID 4032 wrote to memory of 1124	4032	RegSvcs.exe	REG.exe
PID 4032 wrote to memory of 1124	4032	RegSvcs.exe	REG.exe
PID 4032 wrote to memory of 1124	4032	RegSvcs.exe	REG.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE LIST.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE LIST.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3980

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4032

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
3⤵
- Modifies registry key
PID:1124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 1436
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1696

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1124-18-0x0000000000000000-mapping.dmp

Download
memory/1696-40-0x0000000005120000-0x0000000005121000-memory.dmp

Filesize
4KB

Download
memory/1696-31-0x0000000004D20000-0x0000000004D21000-memory.dmp

Filesize
4KB

Download
memory/1696-19-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/3980-8-0x000000000B480000-0x000000000B481000-memory.dmp

Filesize
4KB

Download
memory/3980-5-0x0000000007D70000-0x0000000007D71000-memory.dmp

Filesize
4KB

Download
memory/3980-7-0x000000000B380000-0x000000000B3D3000-memory.dmp

Filesize
332KB

Download
memory/3980-0-0x0000000073A20000-0x000000007410E000-memory.dmp

Filesize
6.9MB

Download
memory/3980-1-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

Filesize
4KB

Download
memory/3980-3-0x00000000081C0000-0x00000000081C1000-memory.dmp

Filesize
4KB

Download
memory/3980-6-0x0000000005340000-0x0000000005343000-memory.dmp

Filesize
12KB

Download
memory/3980-4-0x0000000007DA0000-0x0000000007DA1000-memory.dmp

Filesize
4KB

Download
memory/4032-20-0x000000000044CD3E-mapping.dmp

Download
memory/4032-29-0x000000000044CD3E-mapping.dmp

Download
memory/4032-16-0x00000000059F0000-0x00000000059F1000-memory.dmp

Filesize
4KB

Download
memory/4032-11-0x0000000073A20000-0x000000007410E000-memory.dmp

Filesize
6.9MB

Download
memory/4032-23-0x000000000044CD3E-mapping.dmp

Download
memory/4032-24-0x000000000044CD3E-mapping.dmp

Download
memory/4032-30-0x000000000044CD3E-mapping.dmp

Download
memory/4032-17-0x00000000064A0000-0x00000000064A1000-memory.dmp

Filesize
4KB

Download
memory/4032-28-0x000000000044CD3E-mapping.dmp

Download
memory/4032-27-0x000000000044CD3E-mapping.dmp

Download
memory/4032-26-0x000000000044CD3E-mapping.dmp

Download
memory/4032-25-0x000000000044CD3E-mapping.dmp

Download
memory/4032-22-0x000000000044CD3E-mapping.dmp

Download
memory/4032-21-0x000000000044CD3E-mapping.dmp

Download
memory/4032-10-0x000000000044CD3E-mapping.dmp

Download
memory/4032-9-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads