agenttesla | ac6e15c510c0cafcb1fa803876b7f0dd762d9146ed798a9fc292a41c2b2fb36a

General

Target

80120-DB000372 DATA-SHEET.PDF.exe
Size

419KB
MD5

4b5d862141ef73fa863e0d4efaf9325f
SHA1

014bc77d51c332e3d4dd584a6d9083dd20001079
SHA256

4625689b86b6899465896135d652868b259732b5a82b0645959384c66a35428a
SHA512

36e6eec475ca3d82e1430d9ade252a0e867f68e0717bc0581126151f734f8f4ad226f9f13037b5e85e9a5022ee08e7b950c6ed9de1aabd8dd54b0abd01383678

Score

10^/10

agenttesla collection keylogger persistence rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aquariuslogistics.com
Port:
587
Username:
ajay@aquariuslogistics.com
Password:
AQL@2019#$

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2012-63-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2012-64-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2012-65-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2012-66-0x000000000044833E-mapping.dmp	family_agenttesla
behavioral1/memory/2012-68-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2012-70-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1528-57-0x0000000000D10000-0x0000000000D64000-memory.dmp	rezer0

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

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

80120-DB000372 DATA-SHEET.PDF.exe

description pid process target process

PID 1528 set thread context of 2012 1528 80120-DB000372 DATA-SHEET.PDF.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1672 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1572 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2012 RegSvcs.exe
2012 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2012 RegSvcs.exe

description	pid	process	target process
PID 1528 set thread context of 2012	1528	80120-DB000372 DATA-SHEET.PDF.exe	RegSvcs.exe

pid	process
1672	schtasks.exe

pid	process
1572	REG.exe

pid	process
2012	RegSvcs.exe
2012	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2012	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

80120-DB000372 DATA-SHEET.PDF.exeRegSvcs.exe

description	pid	process	target process
PID 1528 wrote to memory of 1672	1528	80120-DB000372 DATA-SHEET.PDF.exe	schtasks.exe
PID 1528 wrote to memory of 1672	1528	80120-DB000372 DATA-SHEET.PDF.exe	schtasks.exe
PID 1528 wrote to memory of 1672	1528	80120-DB000372 DATA-SHEET.PDF.exe	schtasks.exe
PID 1528 wrote to memory of 1672	1528	80120-DB000372 DATA-SHEET.PDF.exe	schtasks.exe
PID 1528 wrote to memory of 2012	1528	80120-DB000372 DATA-SHEET.PDF.exe	RegSvcs.exe
PID 1528 wrote to memory of 2012	1528	80120-DB000372 DATA-SHEET.PDF.exe	RegSvcs.exe
PID 1528 wrote to memory of 2012	1528	80120-DB000372 DATA-SHEET.PDF.exe	RegSvcs.exe
PID 1528 wrote to memory of 2012	1528	80120-DB000372 DATA-SHEET.PDF.exe	RegSvcs.exe
PID 1528 wrote to memory of 2012	1528	80120-DB000372 DATA-SHEET.PDF.exe	RegSvcs.exe
PID 1528 wrote to memory of 2012	1528	80120-DB000372 DATA-SHEET.PDF.exe	RegSvcs.exe
PID 1528 wrote to memory of 2012	1528	80120-DB000372 DATA-SHEET.PDF.exe	RegSvcs.exe
PID 1528 wrote to memory of 2012	1528	80120-DB000372 DATA-SHEET.PDF.exe	RegSvcs.exe
PID 1528 wrote to memory of 2012	1528	80120-DB000372 DATA-SHEET.PDF.exe	RegSvcs.exe
PID 1528 wrote to memory of 2012	1528	80120-DB000372 DATA-SHEET.PDF.exe	RegSvcs.exe
PID 1528 wrote to memory of 2012	1528	80120-DB000372 DATA-SHEET.PDF.exe	RegSvcs.exe
PID 1528 wrote to memory of 2012	1528	80120-DB000372 DATA-SHEET.PDF.exe	RegSvcs.exe
PID 2012 wrote to memory of 1572	2012	RegSvcs.exe	REG.exe
PID 2012 wrote to memory of 1572	2012	RegSvcs.exe	REG.exe
PID 2012 wrote to memory of 1572	2012	RegSvcs.exe	REG.exe
PID 2012 wrote to memory of 1572	2012	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\80120-DB000372 DATA-SHEET.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\80120-DB000372 DATA-SHEET.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ULIpyruwsyj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp35C.tmp"
2⤵
- Creates scheduled task(s)
PID:1672

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2012

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:1572

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp35C.tmp
Filesize
1KB

MD5
d4bdb8ff32c491608bd25b88b1eac24b

SHA1
b386dcf5a1ffdbd026e60b9ac929b4e03691a398

SHA256
cea44e62cdd652916dff85e49c7a51b8a4834efadc7f375c4e8e65843372e727

SHA512
75ead65e83cb4a05d6e19b3aed7f017c3a5b804c3c2ca1eb14c189b8ebb1b6c900f7cfd4d929d2693bdcf55b13e91eb544ca43c1daff990434ccf62b038cd316

Download Submit
memory/1528-55-0x0000000075391000-0x0000000075393000-memory.dmp

Filesize
8KB

Download
memory/1528-56-0x0000000000480000-0x0000000000490000-memory.dmp

Filesize
64KB

Download
memory/1528-57-0x0000000000D10000-0x0000000000D64000-memory.dmp

Filesize
336KB

Download
memory/1528-54-0x0000000001180000-0x00000000011F0000-memory.dmp

Filesize
448KB

Download
memory/1572-72-0x0000000000000000-mapping.dmp

Download
memory/1672-58-0x0000000000000000-mapping.dmp

Download
memory/2012-60-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2012-63-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2012-64-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2012-65-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2012-66-0x000000000044833E-mapping.dmp

Download
memory/2012-68-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2012-70-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2012-61-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads