agenttesla | ea45a2032eebe69d32b15d3ea505330eb00b5026107e8e123fb9fb9e2bf87496

Analysis

max time kernel
78s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 10:23

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General

Target
PURCHASE ORDER.exe
Size 586KB
Sample221129-mesnmsdc2x
SHA256 ea45a2032eebe69d32b15d3ea505330eb00b5026107e8e123fb9fb9e2bf87496
MD5 a55b4bb09398659d69f1b8b37541e621
SHA1 975f7c38780d00ae497fcb6addf31f5ad8cdb090
SHA512 a5eb89b7b07ad51b747ba5c003d50ae8aa53c11adb23034da977e8ab25373a81c3c7216cda025c25a0d55f9cab989f93794d2512fb16a8998dfa8d58c5210590
SSDEEP 12288:7gkzrbETClvHskFgFwIyXCD1vmAMDfJ0/IegnS1onhj6W4ytrRpMf:/76CVskFgqIyXFhS/ngSWhxROf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.orogenicgroup-bd.com
Port
587
Username
[email protected]
Password
Hossain$3400
Email to
[email protected]

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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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-1-5-21-3845472200-3839195424-595303356-1000\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 1968 set thread context of 1132	1968	PURCHASE ORDER.exe	32

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
1080	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1968	PURCHASE ORDER.exe
1968	PURCHASE ORDER.exe
1968	PURCHASE ORDER.exe
1132	RegSvcs.exe
1132	RegSvcs.exe
1132	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1968	PURCHASE ORDER.exe
Token: SeDebugPrivilege	1132	RegSvcs.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 1080	1968	PURCHASE ORDER.exe	28
PID 1968 wrote to memory of 1080	1968	PURCHASE ORDER.exe	28
PID 1968 wrote to memory of 1080	1968	PURCHASE ORDER.exe	28
PID 1968 wrote to memory of 1080	1968	PURCHASE ORDER.exe	28
PID 1968 wrote to memory of 1212	1968	PURCHASE ORDER.exe	30
PID 1968 wrote to memory of 1212	1968	PURCHASE ORDER.exe	30
PID 1968 wrote to memory of 1212	1968	PURCHASE ORDER.exe	30
PID 1968 wrote to memory of 1212	1968	PURCHASE ORDER.exe	30
PID 1968 wrote to memory of 1212	1968	PURCHASE ORDER.exe	30
PID 1968 wrote to memory of 1212	1968	PURCHASE ORDER.exe	30
PID 1968 wrote to memory of 1212	1968	PURCHASE ORDER.exe	30
PID 1968 wrote to memory of 548	1968	PURCHASE ORDER.exe	31
PID 1968 wrote to memory of 548	1968	PURCHASE ORDER.exe	31
PID 1968 wrote to memory of 548	1968	PURCHASE ORDER.exe	31
PID 1968 wrote to memory of 548	1968	PURCHASE ORDER.exe	31
PID 1968 wrote to memory of 548	1968	PURCHASE ORDER.exe	31
PID 1968 wrote to memory of 548	1968	PURCHASE ORDER.exe	31
PID 1968 wrote to memory of 548	1968	PURCHASE ORDER.exe	31
PID 1968 wrote to memory of 1132	1968	PURCHASE ORDER.exe	32
PID 1968 wrote to memory of 1132	1968	PURCHASE ORDER.exe	32
PID 1968 wrote to memory of 1132	1968	PURCHASE ORDER.exe	32
PID 1968 wrote to memory of 1132	1968	PURCHASE ORDER.exe	32
PID 1968 wrote to memory of 1132	1968	PURCHASE ORDER.exe	32
PID 1968 wrote to memory of 1132	1968	PURCHASE ORDER.exe	32
PID 1968 wrote to memory of 1132	1968	PURCHASE ORDER.exe	32
PID 1968 wrote to memory of 1132	1968	PURCHASE ORDER.exe	32
PID 1968 wrote to memory of 1132	1968	PURCHASE ORDER.exe	32
PID 1968 wrote to memory of 1132	1968	PURCHASE ORDER.exe	32
PID 1968 wrote to memory of 1132	1968	PURCHASE ORDER.exe	32
PID 1968 wrote to memory of 1132	1968	PURCHASE ORDER.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PAyWOGoRT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB26F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1080
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:1212
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:548
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1132

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

tmpB26F.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpB26F.tmp
Size 1KB
SHA256 b99b92a1cdbb59ecbf0a2287ae83f405cdb938c6c9d92c96a5c24d9ed8f815eb
MD5 8c2bac9f190562c0417c675cbdeb8bed
SHA1 c525e40ef0f60ed9ca16bf9866690bae7f8cee87
SHA512 ce2fbe8021427bb724d9108bd4d46987712c45e1aefbd95ee0a4f6bd39983cc41827e417d30b57aac39215e845a1e9f335b63e3b865775cbee46f0d87dd6ee2a
MD5 SHA1 SHA512

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memory/1132-64-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1132-61-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1132-62-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1132-65-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1132-66-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1132-69-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1132-71-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1968-57-0x0000000004F80000-0x0000000005002000-memory.dmp

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memory/1968-58-0x00000000007B0000-0x00000000007EC000-memory.dmp

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memory/1968-56-0x0000000000310000-0x0000000000322000-memory.dmp

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memory/1968-55-0x00000000756B1000-0x00000000756B3000-memory.dmp

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memory/1968-54-0x00000000008F0000-0x0000000000988000-memory.dmp

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