agenttesla | 837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c

General

Target

837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
Size

650KB
MD5

a054288c62a8c96b4393e0d7616a3d6b
SHA1

79cb13055b7831afc39dd91ec5b32205b962b2e8
SHA256

837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c
SHA512

d01d8a717ce768a2de35a9e40e568d084bb4f0472eab9e2975ed6d161c0a276804e15f219d3deb1cca5fe341541e57cc17395d45dc28a16eed47c7c31d993e63
SSDEEP

12288:EaAv6zT370OC2qoICt4VhTYFGf4KGrV0nQQCqqWLz1HL9wtT5wjBMOioRw4RjR90:6PlsMTYF+ZnwWR9wtT5wjlwwP

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.expatmedical.ro
Port:
587
Username:
[email protected]
Password:
Alex2009
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/1592-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

resource	yara_rule
behavioral2/memory/1592-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
behavioral2/memory/1512-8-0x0000000005FF0000-0x0000000005FFC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/memory/1592-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/1592-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/1592-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/1592-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1512 set thread context of 1592	1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe	94

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
1592	MSBuild.exe
1592	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
Token: SeDebugPrivilege	1592	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 4684	1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe	93
PID 1512 wrote to memory of 4684	1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe	93
PID 1512 wrote to memory of 4684	1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe	93
PID 1512 wrote to memory of 1592	1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe	94
PID 1512 wrote to memory of 1592	1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe	94
PID 1512 wrote to memory of 1592	1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe	94
PID 1512 wrote to memory of 1592	1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe	94
PID 1512 wrote to memory of 1592	1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe	94
PID 1512 wrote to memory of 1592	1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe	94
PID 1512 wrote to memory of 1592	1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe	94
PID 1512 wrote to memory of 1592	1512	837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe	94

C:\Users\Admin\AppData\Local\Temp\837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe
"C:\Users\Admin\AppData\Local\Temp\837c9f462983fee07c9648d487f7ff5e1ec82c9b45d0ae9337f8c452cd0e6b5c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:4684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1592

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1512-10-0x0000000006190000-0x000000000622C000-memory.dmp

Filesize
624KB

Download
memory/1512-11-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1512-2-0x0000000005380000-0x0000000005924000-memory.dmp

Filesize
5.6MB

Download
memory/1512-3-0x0000000004DD0000-0x0000000004E62000-memory.dmp

Filesize
584KB

Download
memory/1512-4-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/1512-5-0x0000000004F70000-0x0000000004F7A000-memory.dmp

Filesize
40KB

Download
memory/1512-6-0x0000000005370000-0x0000000005382000-memory.dmp

Filesize
72KB

Download
memory/1512-7-0x0000000005FE0000-0x0000000005FE8000-memory.dmp

Filesize
32KB

Download
memory/1512-8-0x0000000005FF0000-0x0000000005FFC000-memory.dmp

Filesize
48KB

Download
memory/1512-9-0x0000000006060000-0x00000000060E2000-memory.dmp

Filesize
520KB

Download
memory/1512-1-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1512-12-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/1512-0-0x0000000000330000-0x00000000003D8000-memory.dmp

Filesize
672KB

Download
memory/1512-18-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1592-15-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1592-16-0x0000000005900000-0x0000000005966000-memory.dmp

Filesize
408KB

Download
memory/1592-17-0x00000000032D0000-0x00000000032E0000-memory.dmp

Filesize
64KB

Download
memory/1592-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1592-19-0x00000000066B0000-0x0000000006700000-memory.dmp

Filesize
320KB

Download
memory/1592-20-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1592-21-0x00000000032D0000-0x00000000032E0000-memory.dmp

Filesize
64KB

Download

Analysis

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