agenttesla | 0740099619ddb94ecd697c63011b3240d301c53ebb639fca9f19d855ab584017

General

Target

TT_COPY.exe
Size

421KB
MD5

458145b74718d73399391f3cd02e6192
SHA1

058788cc18f08f58e4104e33b9546f91053102f3
SHA256

008d79b95dd17c51b103bf87aabf1e5a3ecff06c2ff26a5b5bce23ac1e0dda9c
SHA512

e44d1fea9445603417ede137eb38462d47b63c035ed9bd81b1c901fa6d98594c54dfb16fee48f7deccad8086b107af7d664e604dc8cce64ee9781aa5d08cae68
SSDEEP

6144:xDxG2DAohI1g3YNFOvgwXnWgAsLiYRgfcpF0EAWMxRRLmKZ3QW1bGJ1:txGMnhIS3YTfycsBRCcLLAjxRl1gWZa

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aquariuslogistics.com
Port:
587
Username:
[email protected]
Password:
AQL@2019#$

Signatures

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

ReZer0 packer 1 IoCs

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

rezer0

resource	yara_rule
behavioral2/memory/4436-7-0x0000000005E60000-0x0000000005EB4000-memory.dmp	rezer0

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	TT_COPY.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4436 set thread context of 5104	4436	TT_COPY.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4828	5104	WerFault.exe	94

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	TT_COPY.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
1820	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4436	TT_COPY.exe
4436	TT_COPY.exe
4436	TT_COPY.exe
5104	RegSvcs.exe
5104	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4436	TT_COPY.exe
Token: SeDebugPrivilege	5104	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 1820	4436	TT_COPY.exe	91
PID 4436 wrote to memory of 1820	4436	TT_COPY.exe	91
PID 4436 wrote to memory of 1820	4436	TT_COPY.exe	91
PID 4436 wrote to memory of 2152	4436	TT_COPY.exe	93
PID 4436 wrote to memory of 2152	4436	TT_COPY.exe	93
PID 4436 wrote to memory of 2152	4436	TT_COPY.exe	93
PID 4436 wrote to memory of 5104	4436	TT_COPY.exe	94
PID 4436 wrote to memory of 5104	4436	TT_COPY.exe	94
PID 4436 wrote to memory of 5104	4436	TT_COPY.exe	94
PID 4436 wrote to memory of 5104	4436	TT_COPY.exe	94
PID 4436 wrote to memory of 5104	4436	TT_COPY.exe	94
PID 4436 wrote to memory of 5104	4436	TT_COPY.exe	94
PID 4436 wrote to memory of 5104	4436	TT_COPY.exe	94
PID 4436 wrote to memory of 5104	4436	TT_COPY.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\TT_COPY.exe
"C:\Users\Admin\AppData\Local\Temp\TT_COPY.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LFkPIyKKOVLJl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp319A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1820
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:2152
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:5104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 1532
    3⤵
    - Program crash
    PID:4828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5104 -ip 5104
1⤵
PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp319A.tmp

Filesize
1KB

MD5
d7b0e52e175e784f5b172d47baf23410

SHA1
ee8b801ece6611b426fbb2016cc16840ec1f9491

SHA256
dd710c713911b632db222eb205abf8733100662c4b89e5c5ae030c437f12a117

SHA512
38cd19a081dd2cd8a500ccd709eaad3da50803a9ee2a3ee1698793e48c6663d6f9f1d823fd93953ec070cc993097c091af406d68642a21062370da60de9383d5

Download Submit
memory/4436-8-0x0000000006480000-0x0000000006A24000-memory.dmp

Filesize
5.6MB

Download
memory/4436-3-0x0000000003040000-0x0000000003050000-memory.dmp

Filesize
64KB

Download
memory/4436-1-0x0000000000B40000-0x0000000000BB0000-memory.dmp

Filesize
448KB

Download
memory/4436-15-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4436-5-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/4436-6-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4436-7-0x0000000005E60000-0x0000000005EB4000-memory.dmp

Filesize
336KB

Download
memory/4436-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/4436-4-0x00000000056A0000-0x0000000005732000-memory.dmp

Filesize
584KB

Download
memory/4436-2-0x0000000005540000-0x00000000055DC000-memory.dmp

Filesize
624KB

Download
memory/5104-22-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/5104-14-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/5104-16-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/5104-17-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/5104-18-0x00000000052A0000-0x00000000052B8000-memory.dmp

Filesize
96KB

Download
memory/5104-19-0x00000000060E0000-0x0000000006146000-memory.dmp

Filesize
408KB

Download
memory/5104-21-0x00000000066D0000-0x0000000006720000-memory.dmp

Filesize
320KB

Download
memory/5104-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads