agenttesla | 099373f725f9e86956223d5ef4a3a4fcd96f6a531e55447441ce8ccf7be5ee49

General

Target
purchase_order_pdf.exe
Size 2.4MB
Sample210209-vfbb7rm54s
SHA256 099373f725f9e86956223d5ef4a3a4fcd96f6a531e55447441ce8ccf7be5ee49
MD5 739c3c97cec880fcff0a384914adc5b3
SHA1 41b36b638704b552add7d231ec09e53df1d96772
SHA512 ad3c9cf8c03c5c75e3f811cf6594b13b9b399fae70547f489ce0b2e4adde389026af617c1e39959776e40090eb7b2d81809e0a120182713a2516a7a028ffa8d6
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.tpcdel.com
Port
587
Username
[email protected]
Password
EmlP@2018

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral1/memory/608-13-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/608-14-0x000000000044A95E-mapping.dmp	family_agenttesla
behavioral1/memory/608-16-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZozjABYW = "C:\\Users\\Admin\\AppData\\Roaming\\wPLpKMo\\UGxXf.exe"	regsvcs.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

pid	Process
776	purchase_order_pdf.exe
776	purchase_order_pdf.exe
776	purchase_order_pdf.exe
776	purchase_order_pdf.exe
776	purchase_order_pdf.exe
776	purchase_order_pdf.exe
776	purchase_order_pdf.exe
776	purchase_order_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 776 set thread context of 608	776	purchase_order_pdf.exe	32

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
292	776	WerFault.exe	24

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1960	timeout.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
776	purchase_order_pdf.exe
776	purchase_order_pdf.exe
776	purchase_order_pdf.exe
292	WerFault.exe
292	WerFault.exe
292	WerFault.exe
292	WerFault.exe
292	WerFault.exe
608	regsvcs.exe
608	regsvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	776	purchase_order_pdf.exe
Token: SeDebugPrivilege	292	WerFault.exe
Token: SeDebugPrivilege	608	regsvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
608	regsvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 2044	776	purchase_order_pdf.exe	26
PID 776 wrote to memory of 2044	776	purchase_order_pdf.exe	26
PID 776 wrote to memory of 2044	776	purchase_order_pdf.exe	26
PID 776 wrote to memory of 2044	776	purchase_order_pdf.exe	26
PID 2044 wrote to memory of 1960	2044	cmd.exe	28
PID 2044 wrote to memory of 1960	2044	cmd.exe	28
PID 2044 wrote to memory of 1960	2044	cmd.exe	28
PID 2044 wrote to memory of 1960	2044	cmd.exe	28
PID 776 wrote to memory of 608	776	purchase_order_pdf.exe	32
PID 776 wrote to memory of 608	776	purchase_order_pdf.exe	32
PID 776 wrote to memory of 608	776	purchase_order_pdf.exe	32
PID 776 wrote to memory of 608	776	purchase_order_pdf.exe	32
PID 776 wrote to memory of 608	776	purchase_order_pdf.exe	32
PID 776 wrote to memory of 608	776	purchase_order_pdf.exe	32
PID 776 wrote to memory of 608	776	purchase_order_pdf.exe	32
PID 776 wrote to memory of 608	776	purchase_order_pdf.exe	32
PID 776 wrote to memory of 608	776	purchase_order_pdf.exe	32
PID 776 wrote to memory of 608	776	purchase_order_pdf.exe	32
PID 776 wrote to memory of 608	776	purchase_order_pdf.exe	32
PID 776 wrote to memory of 608	776	purchase_order_pdf.exe	32
PID 776 wrote to memory of 292	776	purchase_order_pdf.exe	33
PID 776 wrote to memory of 292	776	purchase_order_pdf.exe	33
PID 776 wrote to memory of 292	776	purchase_order_pdf.exe	33
PID 776 wrote to memory of 292	776	purchase_order_pdf.exe	33

C:\Users\Admin\AppData\Local\Temp\purchase_order_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\purchase_order_pdf.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\Windows\SysWOW64\timeout.exe
    timeout 1
    3⤵
    - Delays execution with timeout.exe
    PID:1960
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:608
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 776 -s 872
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:292

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/292-23-0x00000000003B0000-0x00000000003B1000-memory.dmp

Download

memory/292-20-0x0000000002090000-0x00000000020A1000-memory.dmp

Download

memory/608-18-0x0000000004960000-0x0000000004961000-memory.dmp

Download

memory/608-13-0x0000000000400000-0x0000000000450000-memory.dmp

Download

memory/608-15-0x0000000073F20000-0x000000007460E000-memory.dmp

Download

memory/608-16-0x0000000000400000-0x0000000000450000-memory.dmp

Download

memory/608-24-0x0000000004961000-0x0000000004962000-memory.dmp

Download

memory/776-12-0x00000000073E0000-0x00000000073E1000-memory.dmp

Download

memory/776-9-0x0000000000590000-0x00000000005E9000-memory.dmp

Download

memory/776-2-0x0000000073F20000-0x000000007460E000-memory.dmp

Download

memory/776-4-0x0000000000590000-0x00000000005A1000-memory.dmp

Download

memory/776-3-0x00000000000D0000-0x00000000000D1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads