agenttesla | 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4

Analysis

max time kernel
135s
max time network
137s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24/04/2024, 01:30

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General

Target

6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
Size

669KB
MD5

5385333a8618dac516b8b33b0bbf11a1
SHA1

3a1171327abe7aefeb85914afae6ec6c8bfbe6e0
SHA256

6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4
SHA512

0392fd0fc5f79b8c19655d279e882bf7cd83a4d841d1bf1f1845997396368734866f47d06c19fa0da48ecc305d2113611f65153e07ff6aae0c99a8137e9e3cea
SSDEEP

12288:x4WzE3RYDR05N+rTd2/6pjhHyKj1jb9WKhsq9Q/V8pekTGzd2S96QKNe:1WR03BAWj0Kj17YV8petwsK

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.starmech.net
Port:
587
Username:
[email protected]
Password:
nics123
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. 6 IoCs

resource	yara_rule
behavioral1/memory/1184-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1184-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1184-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1184-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1184-40-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1184-42-0x00000000047B0000-0x00000000047F0000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs

resource	yara_rule
behavioral1/memory/1184-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1184-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1184-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1184-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1184-40-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1184-42-0x00000000047B0000-0x00000000047F0000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs

resource	yara_rule
behavioral1/memory/1184-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1184-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1184-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1184-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1184-40-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1184-42-0x00000000047B0000-0x00000000047F0000-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 6 IoCs

resource	yara_rule
behavioral1/memory/1184-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1184-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1184-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1184-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1184-40-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1184-42-0x00000000047B0000-0x00000000047F0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs

resource	yara_rule
behavioral1/memory/1184-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1184-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1184-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1184-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1184-40-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1184-42-0x00000000047B0000-0x00000000047F0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs

resource	yara_rule
behavioral1/memory/1184-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1184-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1184-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1184-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1184-40-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1184-42-0x00000000047B0000-0x00000000047F0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	RegSvcs.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 1184	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	36

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
2676	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
2164	powershell.exe
2592	powershell.exe
2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
1184	RegSvcs.exe
1184	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
Token: SeDebugPrivilege	2164	powershell.exe
Token: SeDebugPrivilege	2592	powershell.exe
Token: SeDebugPrivilege	1184	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1184	RegSvcs.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2164	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	28
PID 2216 wrote to memory of 2164	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	28
PID 2216 wrote to memory of 2164	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	28
PID 2216 wrote to memory of 2164	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	28
PID 2216 wrote to memory of 2592	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	30
PID 2216 wrote to memory of 2592	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	30
PID 2216 wrote to memory of 2592	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	30
PID 2216 wrote to memory of 2592	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	30
PID 2216 wrote to memory of 2676	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	32
PID 2216 wrote to memory of 2676	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	32
PID 2216 wrote to memory of 2676	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	32
PID 2216 wrote to memory of 2676	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	32
PID 2216 wrote to memory of 2744	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	34
PID 2216 wrote to memory of 2744	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	34
PID 2216 wrote to memory of 2744	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	34
PID 2216 wrote to memory of 2744	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	34
PID 2216 wrote to memory of 2744	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	34
PID 2216 wrote to memory of 2744	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	34
PID 2216 wrote to memory of 2744	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	34
PID 2216 wrote to memory of 2736	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	35
PID 2216 wrote to memory of 2736	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	35
PID 2216 wrote to memory of 2736	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	35
PID 2216 wrote to memory of 2736	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	35
PID 2216 wrote to memory of 2736	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	35
PID 2216 wrote to memory of 2736	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	35
PID 2216 wrote to memory of 2736	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	35
PID 2216 wrote to memory of 1184	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	36
PID 2216 wrote to memory of 1184	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	36
PID 2216 wrote to memory of 1184	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	36
PID 2216 wrote to memory of 1184	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	36
PID 2216 wrote to memory of 1184	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	36
PID 2216 wrote to memory of 1184	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	36
PID 2216 wrote to memory of 1184	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	36
PID 2216 wrote to memory of 1184	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	36
PID 2216 wrote to memory of 1184	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	36
PID 2216 wrote to memory of 1184	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	36
PID 2216 wrote to memory of 1184	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	36
PID 2216 wrote to memory of 1184	2216	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	36

C:\Users\Admin\AppData\Local\Temp\6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
"C:\Users\Admin\AppData\Local\Temp\6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2216
- 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\6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2164
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wpvgIECypA.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2592
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wpvgIECypA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3968.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2676
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2744
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2736
- 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:1184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

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\tmp3968.tmp

Filesize
1KB

MD5
7f527fddf88221fa26b1bed8d91b3f80

SHA1
06378ab014d8fa57c2988c15964dea1fdf11fdf9

SHA256
59844c3174606f2f71a66f95a688de2d582adbcd29e2e0b35228a89bc646f240

SHA512
03e562faa5c9ba14763937599dcd66dc05501b6495850def8fc41ac7c85b56a2a0dcf1f4c3120c1a07b1e115c499a41b463754b332e2e640c61af9a588cddc79

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
0a7b676a229e5510afa716a1eac722a4

SHA1
9d4ab283da3448b14a743f7d73a2025b55543aee

SHA256
0856634e2603b50027b88b8dd42219ec94370a11680968b4a1d2f4d0f297fc82

SHA512
34cd5898dd7be3b407a045a4c174e326387dd6196d12a987c09e1617475c381a918a6a5ca8d5e943bb2cf08671cde4a56bb3c6fff195fd1a756c104536f9b6cf

Download Submit
memory/1184-38-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1184-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1184-61-0x00000000047B0000-0x00000000047F0000-memory.dmp

Filesize
256KB

Download
memory/1184-60-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/1184-42-0x00000000047B0000-0x00000000047F0000-memory.dmp

Filesize
256KB

Download
memory/1184-41-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/1184-40-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1184-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1184-32-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1184-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1184-35-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1184-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2164-22-0x0000000002CF0000-0x0000000002D30000-memory.dmp

Filesize
256KB

Download
memory/2164-44-0x000000006E490000-0x000000006EA3B000-memory.dmp

Filesize
5.7MB

Download
memory/2164-26-0x0000000002CF0000-0x0000000002D30000-memory.dmp

Filesize
256KB

Download
memory/2164-24-0x000000006E490000-0x000000006EA3B000-memory.dmp

Filesize
5.7MB

Download
memory/2164-20-0x000000006E490000-0x000000006EA3B000-memory.dmp

Filesize
5.7MB

Download
memory/2216-37-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-1-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-0-0x0000000000AA0000-0x0000000000B4E000-memory.dmp

Filesize
696KB

Download
memory/2216-3-0x0000000004850000-0x00000000048EE000-memory.dmp

Filesize
632KB

Download
memory/2216-2-0x0000000000EE0000-0x0000000000F20000-memory.dmp

Filesize
256KB

Download
memory/2216-7-0x0000000000390000-0x0000000000414000-memory.dmp

Filesize
528KB

Download
memory/2216-6-0x0000000000960000-0x0000000000974000-memory.dmp

Filesize
80KB

Download
memory/2216-5-0x0000000000900000-0x000000000090E000-memory.dmp

Filesize
56KB

Download
memory/2216-4-0x0000000000640000-0x0000000000658000-memory.dmp

Filesize
96KB

Download
memory/2592-21-0x000000006E490000-0x000000006EA3B000-memory.dmp

Filesize
5.7MB

Download
memory/2592-28-0x00000000028C0000-0x0000000002900000-memory.dmp

Filesize
256KB

Download
memory/2592-23-0x000000006E490000-0x000000006EA3B000-memory.dmp

Filesize
5.7MB

Download
memory/2592-43-0x000000006E490000-0x000000006EA3B000-memory.dmp

Filesize
5.7MB

Download