agenttesla | 40dd02a1c74b1082e1cb3ecd80fe35447f2572c0dd18155b26601659fe3a59a2

General

Target

RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe
Size

2.1MB
MD5

3200ae4f6dc2898755658b198ce4482f
SHA1

4ba054467be75935e81245d4258a4e82ce60fd59
SHA256

826f7d92ad363ef5588a9d983b76899cd45279c201e2af459a38ef034527bf06
SHA512

8fdf74582ff2f0a1c518391d17bcb478a5e564b3a2c43062d314406bdbe9116cdf673a5cdcdae31578fc0659d2f2be552cc1cacf44a4aa6d81abc03dd5477704

Score

10^/10

agenttesla evasion keylogger persistence rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.parshavayealborz.com
Port:
587
Username:
[email protected]
Password:
P@rshava123456

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1252-89-0x00000000000C0000-0x0000000000112000-memory.dmp	family_agenttesla
behavioral1/memory/1252-94-0x000000000010C43E-mapping.dmp	family_agenttesla
behavioral1/memory/1252-95-0x00000000000C0000-0x0000000000112000-memory.dmp	family_agenttesla
behavioral1/memory/1252-96-0x00000000000C0000-0x0000000000112000-memory.dmp	family_agenttesla

ReZer0 packer 2 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral1/memory/972-56-0x0000000008E50000-0x000000000900A000-memory.dmp	rezer0
behavioral1/memory/2004-69-0x0000000007D50000-0x0000000007ED0000-memory.dmp	rezer0

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

Processes:

MSBuild.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts MSBuild.exe

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

Drops startup file 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ReAgentc.url	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

MSBuild.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	MSBuild.exe

AutoIT Executable 7 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral1/memory/776-75-0x0000000000400000-0x0000000000579000-memory.dmp	autoit_exe
behavioral1/memory/776-77-0x0000000000400000-0x0000000000579000-memory.dmp	autoit_exe
behavioral1/memory/776-79-0x0000000000400000-0x0000000000579000-memory.dmp	autoit_exe
behavioral1/memory/776-81-0x0000000000400000-0x0000000000579000-memory.dmp	autoit_exe
behavioral1/memory/776-82-0x000000000042800A-mapping.dmp	autoit_exe
behavioral1/memory/776-85-0x0000000000400000-0x0000000000579000-memory.dmp	autoit_exe
behavioral1/memory/776-86-0x0000000000400000-0x0000000000579000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exeRegSvcs.exeRegSvcs.exe

description	pid	process	target process
PID 972 set thread context of 2004	972	RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe	RegSvcs.exe
PID 2004 set thread context of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 776 set thread context of 1252	776	RegSvcs.exe	MSBuild.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1892 REG.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

MSBuild.exeRegSvcs.exe

pid process

1252 MSBuild.exe
1252 MSBuild.exe
776 RegSvcs.exe
776 RegSvcs.exe
776 RegSvcs.exe
776 RegSvcs.exe
776 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1252 MSBuild.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

RegSvcs.exe

pid process

776 RegSvcs.exe
776 RegSvcs.exe
776 RegSvcs.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

RegSvcs.exe

pid process

776 RegSvcs.exe
776 RegSvcs.exe
776 RegSvcs.exe

pid	process
1892	REG.exe

pid	process
1252	MSBuild.exe
1252	MSBuild.exe
776	RegSvcs.exe
776	RegSvcs.exe
776	RegSvcs.exe
776	RegSvcs.exe
776	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1252	MSBuild.exe

pid	process
776	RegSvcs.exe
776	RegSvcs.exe
776	RegSvcs.exe

pid	process
776	RegSvcs.exe
776	RegSvcs.exe
776	RegSvcs.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exeRegSvcs.exeRegSvcs.exeMSBuild.exe

description	pid	process	target process
PID 972 wrote to memory of 2004	972	RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe	RegSvcs.exe
PID 972 wrote to memory of 2004	972	RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe	RegSvcs.exe
PID 972 wrote to memory of 2004	972	RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe	RegSvcs.exe
PID 972 wrote to memory of 2004	972	RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe	RegSvcs.exe
PID 972 wrote to memory of 2004	972	RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe	RegSvcs.exe
PID 972 wrote to memory of 2004	972	RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe	RegSvcs.exe
PID 972 wrote to memory of 2004	972	RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe	RegSvcs.exe
PID 972 wrote to memory of 2004	972	RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe	RegSvcs.exe
PID 972 wrote to memory of 2004	972	RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe	RegSvcs.exe
PID 972 wrote to memory of 2004	972	RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe	RegSvcs.exe
PID 972 wrote to memory of 2004	972	RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe	RegSvcs.exe
PID 972 wrote to memory of 2004	972	RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 2004 wrote to memory of 776	2004	RegSvcs.exe	RegSvcs.exe
PID 776 wrote to memory of 1252	776	RegSvcs.exe	MSBuild.exe
PID 776 wrote to memory of 1252	776	RegSvcs.exe	MSBuild.exe
PID 776 wrote to memory of 1252	776	RegSvcs.exe	MSBuild.exe
PID 776 wrote to memory of 1252	776	RegSvcs.exe	MSBuild.exe
PID 776 wrote to memory of 1252	776	RegSvcs.exe	MSBuild.exe
PID 776 wrote to memory of 1252	776	RegSvcs.exe	MSBuild.exe
PID 1252 wrote to memory of 1892	1252	MSBuild.exe	REG.exe
PID 1252 wrote to memory of 1892	1252	MSBuild.exe	REG.exe
PID 1252 wrote to memory of 1892	1252	MSBuild.exe	REG.exe
PID 1252 wrote to memory of 1892	1252	MSBuild.exe	REG.exe

C:\Users\Admin\AppData\Local\Temp\RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ- PT MULYA MANDIRI NEW ORDER PO 02.27.20.doc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:972

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:776

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
4⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1252

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
5⤵
- Modifies registry key
PID:1892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/776-84-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/776-86-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/776-73-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/776-99-0x0000000002D00000-0x0000000002D97000-memory.dmp

Filesize
604KB

Download
memory/776-75-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/776-71-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/776-70-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/776-85-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/776-98-0x0000000000580000-0x0000000000617000-memory.dmp

Filesize
604KB

Download
memory/776-82-0x000000000042800A-mapping.dmp

Download
memory/776-81-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/776-79-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/776-77-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/972-55-0x0000000000220000-0x000000000022E000-memory.dmp

Filesize
56KB

Download
memory/972-54-0x0000000000820000-0x0000000000A34000-memory.dmp

Filesize
2.1MB

Download
memory/972-56-0x0000000008E50000-0x000000000900A000-memory.dmp

Filesize
1.7MB

Download
memory/1252-87-0x00000000000C0000-0x0000000000112000-memory.dmp

Filesize
328KB

Download
memory/1252-89-0x00000000000C0000-0x0000000000112000-memory.dmp

Filesize
328KB

Download
memory/1252-96-0x00000000000C0000-0x0000000000112000-memory.dmp

Filesize
328KB

Download
memory/1252-95-0x00000000000C0000-0x0000000000112000-memory.dmp

Filesize
328KB

Download
memory/1252-94-0x000000000010C43E-mapping.dmp

Download
memory/1892-100-0x0000000000000000-mapping.dmp

Download
memory/2004-65-0x0000000000400000-0x00000000005B2000-memory.dmp

Filesize
1.7MB

Download
memory/2004-61-0x0000000000400000-0x00000000005B2000-memory.dmp

Filesize
1.7MB

Download
memory/2004-60-0x0000000000400000-0x00000000005B2000-memory.dmp

Filesize
1.7MB

Download
memory/2004-62-0x0000000000400000-0x00000000005B2000-memory.dmp

Filesize
1.7MB

Download
memory/2004-63-0x00000000005AD5E6-mapping.dmp

Download
memory/2004-69-0x0000000007D50000-0x0000000007ED0000-memory.dmp

Filesize
1.5MB

Download
memory/2004-67-0x0000000000400000-0x00000000005B2000-memory.dmp

Filesize
1.7MB

Download
memory/2004-58-0x0000000000400000-0x00000000005B2000-memory.dmp

Filesize
1.7MB

Download
memory/2004-57-0x0000000000400000-0x00000000005B2000-memory.dmp

Filesize
1.7MB

Download
memory/2004-68-0x0000000000300000-0x0000000000310000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads