agenttesla | 1597a822acdb8c788ba0e7bf4f9c11460ca511f1a1c8ceda95448028347a201f

Analysis

max time kernel
28s
max time network
144s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
15/05/2023, 11:53

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General

Target
DHL KULI500796821__SCAN DOCUMENT.exe
Size 597KB
Sample230515-n2bjbade6v
SHA256 1597a822acdb8c788ba0e7bf4f9c11460ca511f1a1c8ceda95448028347a201f
MD5 a88d5df0e4dbb53e8ac9d5ff4d0c4fcd
SHA1 449efafecdd8e480e2fce4315ae2515f1af60490
SHA512 e37e49b84078cd3dc0d9d65bb969ed9f7dc0693c90057e9018e5f3a243efc96ef7fed1e27eb62298ef8a77de8988d53d431de8f1f781c28abde3837e647fd83d
SSDEEP 6144:VFgIxBRI7Mj+XhSd/m30+xXFlX5NiyUELs:ngkDItcd2HHHs
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://discordapp.com/api/webhooks/1106544607786967070/X18lyDcr4xbBtmlglFWjQ9ZY8FamcOVt6ve8gQxoc4VbXg223ka9eE5CK6TxZbKN1p87

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hkuze = "\"C:\\Users\\Admin\\AppData\\Roaming\\Hadfiib\\Hkuze.exe\""	DHL KULI500796821__SCAN DOCUMENT.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	api.ipify.org
6	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1724 set thread context of 1736	1724	DHL KULI500796821__SCAN DOCUMENT.exe	30

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1724	DHL KULI500796821__SCAN DOCUMENT.exe
1724	DHL KULI500796821__SCAN DOCUMENT.exe
1724	DHL KULI500796821__SCAN DOCUMENT.exe
1736	InstallUtil.exe
1736	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	DHL KULI500796821__SCAN DOCUMENT.exe
Token: SeDebugPrivilege	1736	InstallUtil.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 764	1724	DHL KULI500796821__SCAN DOCUMENT.exe	27
PID 1724 wrote to memory of 764	1724	DHL KULI500796821__SCAN DOCUMENT.exe	27
PID 1724 wrote to memory of 764	1724	DHL KULI500796821__SCAN DOCUMENT.exe	27
PID 1724 wrote to memory of 764	1724	DHL KULI500796821__SCAN DOCUMENT.exe	27
PID 1724 wrote to memory of 764	1724	DHL KULI500796821__SCAN DOCUMENT.exe	27
PID 1724 wrote to memory of 764	1724	DHL KULI500796821__SCAN DOCUMENT.exe	27
PID 1724 wrote to memory of 764	1724	DHL KULI500796821__SCAN DOCUMENT.exe	27
PID 1724 wrote to memory of 1624	1724	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1724 wrote to memory of 1624	1724	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1724 wrote to memory of 1624	1724	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1724 wrote to memory of 1624	1724	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1724 wrote to memory of 1624	1724	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1724 wrote to memory of 1624	1724	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1724 wrote to memory of 1624	1724	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1724 wrote to memory of 1720	1724	DHL KULI500796821__SCAN DOCUMENT.exe	29
PID 1724 wrote to memory of 1720	1724	DHL KULI500796821__SCAN DOCUMENT.exe	29
PID 1724 wrote to memory of 1720	1724	DHL KULI500796821__SCAN DOCUMENT.exe	29
PID 1724 wrote to memory of 1720	1724	DHL KULI500796821__SCAN DOCUMENT.exe	29
PID 1724 wrote to memory of 1720	1724	DHL KULI500796821__SCAN DOCUMENT.exe	29
PID 1724 wrote to memory of 1720	1724	DHL KULI500796821__SCAN DOCUMENT.exe	29
PID 1724 wrote to memory of 1720	1724	DHL KULI500796821__SCAN DOCUMENT.exe	29
PID 1724 wrote to memory of 1736	1724	DHL KULI500796821__SCAN DOCUMENT.exe	30
PID 1724 wrote to memory of 1736	1724	DHL KULI500796821__SCAN DOCUMENT.exe	30
PID 1724 wrote to memory of 1736	1724	DHL KULI500796821__SCAN DOCUMENT.exe	30
PID 1724 wrote to memory of 1736	1724	DHL KULI500796821__SCAN DOCUMENT.exe	30
PID 1724 wrote to memory of 1736	1724	DHL KULI500796821__SCAN DOCUMENT.exe	30
PID 1724 wrote to memory of 1736	1724	DHL KULI500796821__SCAN DOCUMENT.exe	30
PID 1724 wrote to memory of 1736	1724	DHL KULI500796821__SCAN DOCUMENT.exe	30
PID 1724 wrote to memory of 1736	1724	DHL KULI500796821__SCAN DOCUMENT.exe	30
PID 1724 wrote to memory of 1736	1724	DHL KULI500796821__SCAN DOCUMENT.exe	30
PID 1724 wrote to memory of 1736	1724	DHL KULI500796821__SCAN DOCUMENT.exe	30
PID 1724 wrote to memory of 1736	1724	DHL KULI500796821__SCAN DOCUMENT.exe	30
PID 1724 wrote to memory of 1736	1724	DHL KULI500796821__SCAN DOCUMENT.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\DHL KULI500796821__SCAN DOCUMENT.exe
"C:\Users\Admin\AppData\Local\Temp\DHL KULI500796821__SCAN DOCUMENT.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:764
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:1624
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:1720
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1724-54-0x0000000001020000-0x00000000010BC000-memory.dmp

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memory/1724-55-0x0000000004DF0000-0x0000000004E30000-memory.dmp

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memory/1724-56-0x0000000005750000-0x0000000005810000-memory.dmp

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memory/1724-57-0x0000000000820000-0x000000000083A000-memory.dmp

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memory/1724-58-0x0000000005DE0000-0x0000000005E72000-memory.dmp

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memory/1736-61-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1736-63-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1736-60-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1736-62-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1736-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/1736-65-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1736-67-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1736-69-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1736-70-0x0000000004C90000-0x0000000004CD0000-memory.dmp

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memory/1736-85-0x0000000004C90000-0x0000000004CD0000-memory.dmp

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