agenttesla | 2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07-03-2024 02:11

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General

Target

2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
Size

730KB
MD5

422dae158a15725dd2f81a76ed1be6e3
SHA1

fc02bd1445823f87cc79fe6c4488786fdd862450
SHA256

2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4
SHA512

a8bd904305f6f3e35ef4f8ae839188204defb7b076c40d17b6f1bdab12e76dee87f4e57dce993bbd33c2fd60707686cd6122d9ab38c769a468f4ff7527c754f6
SSDEEP

12288:P6FO1lnaAU9/jHt3lutbcqBMfpbQMQGuTOJgPnp5hONvtMkx+qLhmkR:Be/jHt3MZc8c+NTOyANlMk1LT

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.unitech-co.com.tr
Port:
587
Username:
[email protected]
Password:
Mm@57650Mm
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. 3 IoCs

resource	yara_rule
behavioral1/memory/2428-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2428-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2428-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs

resource	yara_rule
behavioral1/memory/2428-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2428-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2428-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 3 IoCs

resource	yara_rule
behavioral1/memory/2428-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2428-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2428-33-0x0000000000400000-0x0000000000442000-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 3 IoCs

resource	yara_rule
behavioral1/memory/2428-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2428-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2428-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 3 IoCs

resource	yara_rule
behavioral1/memory/2428-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2428-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2428-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 3 IoCs

resource	yara_rule
behavioral1/memory/2428-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2428-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2428-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1800 set thread context of 2428	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	35

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/Job

T1053

pid	Process
2792	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
2248	powershell.exe
2640	powershell.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
Token: SeDebugPrivilege	2248	powershell.exe
Token: SeDebugPrivilege	2640	powershell.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2248	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	28
PID 1800 wrote to memory of 2248	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	28
PID 1800 wrote to memory of 2248	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	28
PID 1800 wrote to memory of 2248	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	28
PID 1800 wrote to memory of 2640	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	30
PID 1800 wrote to memory of 2640	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	30
PID 1800 wrote to memory of 2640	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	30
PID 1800 wrote to memory of 2640	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	30
PID 1800 wrote to memory of 2792	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	32
PID 1800 wrote to memory of 2792	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	32
PID 1800 wrote to memory of 2792	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	32
PID 1800 wrote to memory of 2792	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	32
PID 1800 wrote to memory of 2492	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	34
PID 1800 wrote to memory of 2492	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	34
PID 1800 wrote to memory of 2492	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	34
PID 1800 wrote to memory of 2492	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	34
PID 1800 wrote to memory of 2492	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	34
PID 1800 wrote to memory of 2492	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	34
PID 1800 wrote to memory of 2492	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	34
PID 1800 wrote to memory of 2428	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	35
PID 1800 wrote to memory of 2428	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	35
PID 1800 wrote to memory of 2428	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	35
PID 1800 wrote to memory of 2428	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	35
PID 1800 wrote to memory of 2428	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	35
PID 1800 wrote to memory of 2428	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	35
PID 1800 wrote to memory of 2428	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	35
PID 1800 wrote to memory of 2428	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	35
PID 1800 wrote to memory of 2428	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	35
PID 1800 wrote to memory of 2428	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	35
PID 1800 wrote to memory of 2428	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	35
PID 1800 wrote to memory of 2428	1800	2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe	35

C:\Users\Admin\AppData\Local\Temp\2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
"C:\Users\Admin\AppData\Local\Temp\2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2248
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OWKgibIrksPoy.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2640
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OWKgibIrksPoy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp91D4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2792
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2492
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp91D4.tmp

Filesize
1KB

MD5
2c5f851198cb2bec80183c650a6e817d

SHA1
d29a3f8d855ce1221b8841269725a8eba2e3ebbe

SHA256
581314701295ace9d3afb97c6b9454513c5ab6ae2d6c362f7bb88a4b6b538d9b

SHA512
fa6a0fca5db4dde650fa257b2e8e468755f23faed5884ae0ed05022b4a5645b183e52d070c499216d6908c18ebcc42dc7193fa304454a20f2e5ad87388311d74

Download Submit
memory/1800-0-0x0000000000920000-0x00000000009DA000-memory.dmp

Filesize
744KB

Download
memory/1800-1-0x0000000074250000-0x000000007493E000-memory.dmp

Filesize
6.9MB

Download
memory/1800-2-0x0000000004CC0000-0x0000000004D00000-memory.dmp

Filesize
256KB

Download
memory/1800-3-0x0000000000520000-0x0000000000534000-memory.dmp

Filesize
80KB

Download
memory/1800-4-0x00000000005E0000-0x00000000005EA000-memory.dmp

Filesize
40KB

Download
memory/1800-5-0x00000000005F0000-0x00000000005FE000-memory.dmp

Filesize
56KB

Download
memory/1800-6-0x0000000005BC0000-0x0000000005C44000-memory.dmp

Filesize
528KB

Download
memory/1800-7-0x0000000074250000-0x000000007493E000-memory.dmp

Filesize
6.9MB

Download
memory/1800-18-0x0000000004CC0000-0x0000000004D00000-memory.dmp

Filesize
256KB

Download
memory/2248-20-0x000000006D1B0000-0x000000006D75B000-memory.dmp

Filesize
5.7MB

Download
memory/2248-23-0x0000000000550000-0x0000000000590000-memory.dmp

Filesize
256KB

Download
memory/2248-24-0x000000006D1B0000-0x000000006D75B000-memory.dmp

Filesize
5.7MB

Download
memory/2248-34-0x000000006D1B0000-0x000000006D75B000-memory.dmp

Filesize
5.7MB

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memory/2428-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

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memory/2428-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

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memory/2428-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

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memory/2428-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

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memory/2428-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

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memory/2428-33-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

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memory/2640-22-0x000000006D1B0000-0x000000006D75B000-memory.dmp

Filesize
5.7MB

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memory/2640-26-0x000000006D1B0000-0x000000006D75B000-memory.dmp

Filesize
5.7MB

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memory/2640-35-0x000000006D1B0000-0x000000006D75B000-memory.dmp

Filesize
5.7MB

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