agenttesla | 1ba78ff4aad674810f2bd6bd9d0153d4b22423601805cf0beb1d198a05d6c0d9

General

Target

Contract Invoice document.exe
Size

700KB
MD5

2d7ed81d34091273b1538759705ac990
SHA1

465b350600a5561ad892e259f81ff2aa065e2b76
SHA256

82ff0a181a498c9a794c085821aeec269122f36c222dfcf31ea39d71d6b4c9f9
SHA512

1d3335f0170b993c6e96e3181937d7f12adb0f12bb2560b20f2c7a29097cb21b9a507a8c2f9e07a4f466f2b115098e37c00866cc8cc807e978072066e5b3be92
SSDEEP

12288:AvV+s1bSQT6tjjdB408SwuqM9Scx/zChU7z0p2XhIK137I5m1OXGI4j5s:AtHRuJoY/ehU30kh37/Au

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
iebtzpacgzyullvo
Email To:
[email protected]

Signatures

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

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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	Contract Invoice document.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\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

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YLcqPJe = "C:\\Users\\Admin\\AppData\\Roaming\\YLcqPJe\\YLcqPJe.exe"	RegSvcs.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
35	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1220 set thread context of 2736	1220	Contract Invoice document.exe	95

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

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

pid	Process
4860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1220	Contract Invoice document.exe
1220	Contract Invoice document.exe
2440	powershell.exe
2440	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1220	Contract Invoice document.exe
Token: SeDebugPrivilege	2440	powershell.exe
Token: SeDebugPrivilege	2736	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 2440	1220	Contract Invoice document.exe	91
PID 1220 wrote to memory of 2440	1220	Contract Invoice document.exe	91
PID 1220 wrote to memory of 2440	1220	Contract Invoice document.exe	91
PID 1220 wrote to memory of 4860	1220	Contract Invoice document.exe	93
PID 1220 wrote to memory of 4860	1220	Contract Invoice document.exe	93
PID 1220 wrote to memory of 4860	1220	Contract Invoice document.exe	93
PID 1220 wrote to memory of 2736	1220	Contract Invoice document.exe	95
PID 1220 wrote to memory of 2736	1220	Contract Invoice document.exe	95
PID 1220 wrote to memory of 2736	1220	Contract Invoice document.exe	95
PID 1220 wrote to memory of 2736	1220	Contract Invoice document.exe	95
PID 1220 wrote to memory of 2736	1220	Contract Invoice document.exe	95
PID 1220 wrote to memory of 2736	1220	Contract Invoice document.exe	95
PID 1220 wrote to memory of 2736	1220	Contract Invoice document.exe	95
PID 1220 wrote to memory of 2736	1220	Contract Invoice document.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Contract Invoice document.exe
"C:\Users\Admin\AppData\Local\Temp\Contract Invoice document.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WrdBrmbqsxcTBf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2440
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WrdBrmbqsxcTBf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8CA0.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4860
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fja0k3ub.wkh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8CA0.tmp

Filesize
1KB

MD5
d122a4200f0a2327c3e793d5a311e76d

SHA1
1ae73ace0370cd75a51b1c9003813fd9e6cc4613

SHA256
a60a3b49a0a9ee8349ada91082bf3cf2e318b2466316da0c903c69a0ba854089

SHA512
2d5b9b194922e3f0e4b2d1d4116c7658d40df14561de6b4e50cb37cc5fdd76b03e2e790cccca87704f9746a40a9bbc8a93e678e254b91366fadf60b53f0140f6

Download Submit
memory/1220-134-0x0000000005480000-0x0000000005A24000-memory.dmp

Filesize
5.6MB

Download
memory/1220-135-0x0000000004ED0000-0x0000000004F62000-memory.dmp

Filesize
584KB

Download
memory/1220-136-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

Filesize
40KB

Download
memory/1220-137-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/1220-138-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/1220-139-0x0000000007E50000-0x0000000007EEC000-memory.dmp

Filesize
624KB

Download
memory/1220-133-0x0000000000440000-0x00000000004F6000-memory.dmp

Filesize
728KB

Download
memory/2440-158-0x0000000002C90000-0x0000000002CA0000-memory.dmp

Filesize
64KB

Download
memory/2440-177-0x0000000006A60000-0x0000000006A7E000-memory.dmp

Filesize
120KB

Download
memory/2440-149-0x0000000005C50000-0x0000000005C72000-memory.dmp

Filesize
136KB

Download
memory/2440-150-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/2440-185-0x0000000007AF0000-0x0000000007AF8000-memory.dmp

Filesize
32KB

Download
memory/2440-184-0x0000000007B10000-0x0000000007B2A000-memory.dmp

Filesize
104KB

Download
memory/2440-183-0x0000000007A00000-0x0000000007A0E000-memory.dmp

Filesize
56KB

Download
memory/2440-144-0x0000000002BC0000-0x0000000002BF6000-memory.dmp

Filesize
216KB

Download
memory/2440-159-0x0000000002C90000-0x0000000002CA0000-memory.dmp

Filesize
64KB

Download
memory/2440-164-0x00000000064D0000-0x00000000064EE000-memory.dmp

Filesize
120KB

Download
memory/2440-165-0x0000000002C90000-0x0000000002CA0000-memory.dmp

Filesize
64KB

Download
memory/2440-166-0x00000000076C0000-0x00000000076F2000-memory.dmp

Filesize
200KB

Download
memory/2440-167-0x00000000704C0000-0x000000007050C000-memory.dmp

Filesize
304KB

Download
memory/2440-147-0x0000000005620000-0x0000000005C48000-memory.dmp

Filesize
6.2MB

Download
memory/2440-179-0x0000000007E30000-0x00000000084AA000-memory.dmp

Filesize
6.5MB

Download
memory/2440-178-0x000000007F250000-0x000000007F260000-memory.dmp

Filesize
64KB

Download
memory/2440-180-0x00000000077D0000-0x00000000077EA000-memory.dmp

Filesize
104KB

Download
memory/2440-181-0x0000000007840000-0x000000000784A000-memory.dmp

Filesize
40KB

Download
memory/2440-182-0x0000000007A50000-0x0000000007AE6000-memory.dmp

Filesize
600KB

Download
memory/2736-146-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2736-152-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/2736-151-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/2736-188-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/2736-190-0x0000000006D60000-0x0000000006DB0000-memory.dmp

Filesize
320KB

Download
memory/2736-191-0x00000000070A0000-0x0000000007262000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads