agenttesla | 1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52

Analysis

max time kernel
147s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20/03/2024, 02:06

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General

Target

1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe
Size

614KB
MD5

2267981265b6f5cacb3c87a96d7ee895
SHA1

d02174c82e0748c2a518e28422328f5e428dfc3f
SHA256

1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52
SHA512

809e68c544e4e1b1484089653dc47c50a6c0d389a00e5ff78f7367d6b8bfcb350dc73ce6792ba9d908a8e108f9c563ba40e4527c4992a75fccbb564439d0dbab
SSDEEP

12288:7Cb3oNO9EmL5XvABRlY95aQB2b9v93BmNCVM0kJMJVioWmCLwMG9EGqnLdOJRYWq:7CkNgZYYf3IxmNCVM0kMVXsuOGqJOJb

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.karpackkasa.com
Port:
587
Username:
[email protected]
Password:
s+Cy(S[tx4MC
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/2140-11-0x0000000000400000-0x0000000000442000-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/2140-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
behavioral2/memory/3176-8-0x0000000006470000-0x000000000647C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

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

resource	yara_rule
behavioral2/memory/2140-11-0x0000000000400000-0x0000000000442000-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 1 IoCs

resource	yara_rule
behavioral2/memory/2140-11-0x0000000000400000-0x0000000000442000-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/2140-11-0x0000000000400000-0x0000000000442000-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/2140-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe"	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3176 set thread context of 2140	3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe	102

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe
3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe
3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe
2140	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe
2140	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe
2140	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe
3552	powershell.exe
3552	powershell.exe
3552	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe
Token: SeDebugPrivilege	2140	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe
Token: SeDebugPrivilege	3552	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2140	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 3552	3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe	100
PID 3176 wrote to memory of 3552	3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe	100
PID 3176 wrote to memory of 3552	3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe	100
PID 3176 wrote to memory of 2140	3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe	102
PID 3176 wrote to memory of 2140	3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe	102
PID 3176 wrote to memory of 2140	3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe	102
PID 3176 wrote to memory of 2140	3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe	102
PID 3176 wrote to memory of 2140	3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe	102
PID 3176 wrote to memory of 2140	3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe	102
PID 3176 wrote to memory of 2140	3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe	102
PID 3176 wrote to memory of 2140	3176	1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe	102

C:\Users\Admin\AppData\Local\Temp\1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe
"C:\Users\Admin\AppData\Local\Temp\1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3176
- 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\1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3552
- C:\Users\Admin\AppData\Local\Temp\1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe
  "C:\Users\Admin\AppData\Local\Temp\1c28cccf93bd2b76cbe8f847addfbe78205d569b317277cb2fce736290df2a52.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fvosrgzb.qhd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2140-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2140-37-0x0000000005F30000-0x0000000005F80000-memory.dmp

Filesize
320KB

Download
memory/2140-16-0x0000000004E30000-0x0000000004E96000-memory.dmp

Filesize
408KB

Download
memory/2140-64-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/2140-15-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/2140-65-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/3176-4-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3176-8-0x0000000006470000-0x000000000647C000-memory.dmp

Filesize
48KB

Download
memory/3176-9-0x00000000064E0000-0x0000000006562000-memory.dmp

Filesize
520KB

Download
memory/3176-10-0x0000000006610000-0x00000000066AC000-memory.dmp

Filesize
624KB

Download
memory/3176-7-0x0000000006460000-0x0000000006468000-memory.dmp

Filesize
32KB

Download
memory/3176-6-0x0000000006430000-0x0000000006444000-memory.dmp

Filesize
80KB

Download
memory/3176-14-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3176-5-0x0000000005230000-0x000000000523A000-memory.dmp

Filesize
40KB

Download
memory/3176-3-0x0000000005160000-0x00000000051F2000-memory.dmp

Filesize
584KB

Download
memory/3176-2-0x0000000005610000-0x0000000005BB4000-memory.dmp

Filesize
5.6MB

Download
memory/3176-1-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3176-0-0x00000000006E0000-0x0000000000780000-memory.dmp

Filesize
640KB

Download
memory/3552-22-0x0000000006280000-0x00000000062E6000-memory.dmp

Filesize
408KB

Download
memory/3552-51-0x0000000007B80000-0x0000000007C23000-memory.dmp

Filesize
652KB

Download
memory/3552-20-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3552-19-0x0000000005AE0000-0x0000000006108000-memory.dmp

Filesize
6.2MB

Download
memory/3552-32-0x00000000064D0000-0x0000000006824000-memory.dmp

Filesize
3.3MB

Download
memory/3552-33-0x0000000006330000-0x000000000634E000-memory.dmp

Filesize
120KB

Download
memory/3552-34-0x00000000069F0000-0x0000000006A3C000-memory.dmp

Filesize
304KB

Download
memory/3552-36-0x00000000054A0000-0x00000000054B0000-memory.dmp

Filesize
64KB

Download
memory/3552-18-0x00000000054A0000-0x00000000054B0000-memory.dmp

Filesize
64KB

Download
memory/3552-38-0x000000007F2D0000-0x000000007F2E0000-memory.dmp

Filesize
64KB

Download
memory/3552-39-0x0000000006F30000-0x0000000006F62000-memory.dmp

Filesize
200KB

Download
memory/3552-40-0x0000000070990000-0x00000000709DC000-memory.dmp

Filesize
304KB

Download
memory/3552-50-0x0000000006F10000-0x0000000006F2E000-memory.dmp

Filesize
120KB

Download
memory/3552-21-0x00000000059A0000-0x00000000059C2000-memory.dmp

Filesize
136KB

Download
memory/3552-52-0x00000000082B0000-0x000000000892A000-memory.dmp

Filesize
6.5MB

Download
memory/3552-53-0x0000000007C70000-0x0000000007C8A000-memory.dmp

Filesize
104KB

Download
memory/3552-54-0x0000000007CE0000-0x0000000007CEA000-memory.dmp

Filesize
40KB

Download
memory/3552-55-0x0000000007EF0000-0x0000000007F86000-memory.dmp

Filesize
600KB

Download
memory/3552-56-0x0000000007E70000-0x0000000007E81000-memory.dmp

Filesize
68KB

Download
memory/3552-57-0x0000000007EA0000-0x0000000007EAE000-memory.dmp

Filesize
56KB

Download
memory/3552-58-0x0000000007EB0000-0x0000000007EC4000-memory.dmp

Filesize
80KB

Download
memory/3552-59-0x0000000007FB0000-0x0000000007FCA000-memory.dmp

Filesize
104KB

Download
memory/3552-60-0x0000000007F90000-0x0000000007F98000-memory.dmp

Filesize
32KB

Download
memory/3552-63-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3552-17-0x00000000054A0000-0x00000000054B0000-memory.dmp

Filesize
64KB

Download
memory/3552-13-0x0000000003020000-0x0000000003056000-memory.dmp

Filesize
216KB

Download