agenttesla | 05c734317f0e2207606025a52074d87d81d588977eb8bf218728f81b48a30c3b

General

Target

O_R_D_E_R JuneJuly Shipment.exe
Size

510KB
MD5

1c76f6f0ff84104e4113b0cc75a6c05c
SHA1

578e85e628bf0d644798b2d5c7e0bcdb565cb0ee
SHA256

e1432f2dde886e737a5bf123c430c167c86285406b779fd67eaf4bf9c8fa7022
SHA512

b95960b92df3b308cfe56836bd7e5d7228abe7632fc4c76d5d7274f4fe7dc5c16e9da0210f5bb838b0e737e449c773833528072250503da7e89192a5e4d66095

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
mkoify147@@@

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
behavioral1/memory/1292-56-0x0000000000420000-0x0000000000428000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/940-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/940-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/940-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/940-66-0x000000000044C7FE-mapping.dmp	family_agenttesla
behavioral1/memory/940-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/940-70-0x0000000000400000-0x0000000000452000-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/1292-57-0x0000000005270000-0x00000000052C8000-memory.dmp	rezer0

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

O_R_D_E_R JuneJuly Shipment.exe

description pid process target process

PID 1292 set thread context of 940 1292 O_R_D_E_R JuneJuly Shipment.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

1112 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

O_R_D_E_R JuneJuly Shipment.exeRegSvcs.exe

pid process

1292 O_R_D_E_R JuneJuly Shipment.exe
940 RegSvcs.exe
940 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

O_R_D_E_R JuneJuly Shipment.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1292 O_R_D_E_R JuneJuly Shipment.exe
Token: SeDebugPrivilege 940 RegSvcs.exe

description	pid	process	target process
PID 1292 set thread context of 940	1292	O_R_D_E_R JuneJuly Shipment.exe	RegSvcs.exe

pid	process
1112	schtasks.exe

pid	process
1292	O_R_D_E_R JuneJuly Shipment.exe
940	RegSvcs.exe
940	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1292	O_R_D_E_R JuneJuly Shipment.exe
Token: SeDebugPrivilege	940	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

O_R_D_E_R JuneJuly Shipment.exeRegSvcs.exe

description	pid	process	target process
PID 1292 wrote to memory of 1112	1292	O_R_D_E_R JuneJuly Shipment.exe	schtasks.exe
PID 1292 wrote to memory of 1112	1292	O_R_D_E_R JuneJuly Shipment.exe	schtasks.exe
PID 1292 wrote to memory of 1112	1292	O_R_D_E_R JuneJuly Shipment.exe	schtasks.exe
PID 1292 wrote to memory of 1112	1292	O_R_D_E_R JuneJuly Shipment.exe	schtasks.exe
PID 1292 wrote to memory of 940	1292	O_R_D_E_R JuneJuly Shipment.exe	RegSvcs.exe
PID 1292 wrote to memory of 940	1292	O_R_D_E_R JuneJuly Shipment.exe	RegSvcs.exe
PID 1292 wrote to memory of 940	1292	O_R_D_E_R JuneJuly Shipment.exe	RegSvcs.exe
PID 1292 wrote to memory of 940	1292	O_R_D_E_R JuneJuly Shipment.exe	RegSvcs.exe
PID 1292 wrote to memory of 940	1292	O_R_D_E_R JuneJuly Shipment.exe	RegSvcs.exe
PID 1292 wrote to memory of 940	1292	O_R_D_E_R JuneJuly Shipment.exe	RegSvcs.exe
PID 1292 wrote to memory of 940	1292	O_R_D_E_R JuneJuly Shipment.exe	RegSvcs.exe
PID 1292 wrote to memory of 940	1292	O_R_D_E_R JuneJuly Shipment.exe	RegSvcs.exe
PID 1292 wrote to memory of 940	1292	O_R_D_E_R JuneJuly Shipment.exe	RegSvcs.exe
PID 1292 wrote to memory of 940	1292	O_R_D_E_R JuneJuly Shipment.exe	RegSvcs.exe
PID 1292 wrote to memory of 940	1292	O_R_D_E_R JuneJuly Shipment.exe	RegSvcs.exe
PID 1292 wrote to memory of 940	1292	O_R_D_E_R JuneJuly Shipment.exe	RegSvcs.exe
PID 940 wrote to memory of 852	940	RegSvcs.exe	netsh.exe
PID 940 wrote to memory of 852	940	RegSvcs.exe	netsh.exe
PID 940 wrote to memory of 852	940	RegSvcs.exe	netsh.exe
PID 940 wrote to memory of 852	940	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\O_R_D_E_R JuneJuly Shipment.exe
"C:\Users\Admin\AppData\Local\Temp\O_R_D_E_R JuneJuly Shipment.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1292

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lmGOEZzCClKppd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB636.tmp"
2⤵
- Creates scheduled task(s)
PID:1112

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:940

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:852

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB636.tmp
Filesize
1KB

MD5
9a87070e5a503d5bf07e6974f68e895f

SHA1
c0af979c52e61bafa3a25a121c70af0b33661668

SHA256
e96f1e5268f7024bedb24c79dd248bf788fe8cfac8345c089e9c7dcdfd1bddf3

SHA512
49b09c48e0becf98499804130bc2124ed00b1bae3c19e1c0390e54998475e126acd5f1f91e4a11b57f8cde89640e0a61a8c3767d8dcf89e8f7bbac3ab50e6cbe

Download Submit
memory/852-72-0x0000000000000000-mapping.dmp

Download
memory/940-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/940-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/940-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/940-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/940-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/940-66-0x000000000044C7FE-mapping.dmp

Download
memory/940-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/940-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1112-58-0x0000000000000000-mapping.dmp

Download
memory/1292-57-0x0000000005270000-0x00000000052C8000-memory.dmp

Filesize
352KB

Download
memory/1292-56-0x0000000000420000-0x0000000000428000-memory.dmp

Filesize
32KB

Download
memory/1292-54-0x0000000000850000-0x00000000008D6000-memory.dmp

Filesize
536KB

Download
memory/1292-55-0x00000000759E1000-0x00000000759E3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads