agenttesla | 8bdb93748c95f7288c8e062db2c2ebff27e89c6e0f031f1c527016d5140f37b2

General

Target

z0Transferslip.exe
Size

692KB
MD5

523420934008337bc65cd0ee6a40adbf
SHA1

6e21b99481d21aab127e702a7b6a4582255ed18e
SHA256

8bdb93748c95f7288c8e062db2c2ebff27e89c6e0f031f1c527016d5140f37b2
SHA512

098fdae6e0265663ff49b30f3685a509bd997207bb818f6d4f837b4ec7a6e02c65d7286500e8ecdde9bf0fa167e4b3be6ff1173bdc479c49fff1af6cc2f19264
SSDEEP

12288:ntwI0pW48+hNknKT7GJejOtysczjLdhys//HzrgML3OEfKvajdC8Qi5fliadEIP1:9617GJrYvXLdhys3TrgMrOEff5C8Qi5L

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6192832133:AAF7C5Hu2cAny_oozlOAGw_7DWfvYVumEbE/

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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	z0Transferslip.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yGbzOMp = "C:\\Users\\Admin\\AppData\\Roaming\\yGbzOMp\\yGbzOMp.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1200 set thread context of 2772	1200	z0Transferslip.exe	93

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

pid	Process
3544	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1200	z0Transferslip.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1200	z0Transferslip.exe
Token: SeDebugPrivilege	2772	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 3544	1200	z0Transferslip.exe	91
PID 1200 wrote to memory of 3544	1200	z0Transferslip.exe	91
PID 1200 wrote to memory of 3544	1200	z0Transferslip.exe	91
PID 1200 wrote to memory of 2772	1200	z0Transferslip.exe	93
PID 1200 wrote to memory of 2772	1200	z0Transferslip.exe	93
PID 1200 wrote to memory of 2772	1200	z0Transferslip.exe	93
PID 1200 wrote to memory of 2772	1200	z0Transferslip.exe	93
PID 1200 wrote to memory of 2772	1200	z0Transferslip.exe	93
PID 1200 wrote to memory of 2772	1200	z0Transferslip.exe	93
PID 1200 wrote to memory of 2772	1200	z0Transferslip.exe	93
PID 1200 wrote to memory of 2772	1200	z0Transferslip.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\z0Transferslip.exe
"C:\Users\Admin\AppData\Local\Temp\z0Transferslip.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XizZqQpvSyj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8BC.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3544
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2772

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\tmpF8BC.tmp

Filesize
1KB

MD5
ef354e22f0d4717337892706f21c82b0

SHA1
d64adb21d2999ce0400e5192ba3f9713c92aaf9b

SHA256
4b79c734ba3de5274a7b18a194d8cd6e5e38b89b6295cc7199cd57ca441436bd

SHA512
fe37a0fca5f3541d5c885fcf6410d4ca8caf6ea8533a0c28ac5a2c715a44adcadade88165805c5b515142d36cb0ffd9c7d65e91b7faa798de0679a305906efa1

Download Submit
memory/1200-139-0x0000000005710000-0x0000000005720000-memory.dmp

Filesize
64KB

Download
memory/1200-135-0x00000000057A0000-0x0000000005832000-memory.dmp

Filesize
584KB

Download
memory/1200-136-0x0000000005840000-0x00000000058DC000-memory.dmp

Filesize
624KB

Download
memory/1200-137-0x0000000005730000-0x000000000573A000-memory.dmp

Filesize
40KB

Download
memory/1200-138-0x0000000005710000-0x0000000005720000-memory.dmp

Filesize
64KB

Download
memory/1200-133-0x0000000000CC0000-0x0000000000D72000-memory.dmp

Filesize
712KB

Download
memory/1200-134-0x0000000005D50000-0x00000000062F4000-memory.dmp

Filesize
5.6MB

Download
memory/2772-143-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2772-145-0x00000000054F0000-0x0000000005556000-memory.dmp

Filesize
408KB

Download
memory/2772-146-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/2772-148-0x0000000006800000-0x0000000006850000-memory.dmp

Filesize
320KB

Download
memory/2772-149-0x0000000006A40000-0x0000000006C02000-memory.dmp

Filesize
1.8MB

Download
memory/2772-150-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads