agenttesla | 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 03:20

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General

Target

923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
Size

681KB
MD5

65eb5063ffd21ea06563acdde5b0aec5
SHA1

9109276193763e3a58b4d8fe472c5d4730b37b33
SHA256

923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b
SHA512

a53c5750a427297426cc23416e9dc282814a1210cfc30ec7bf818770315d819cfd32b432d1b411f05a5394afa8df323ec028e136a38ae70a44edf28d53d64cb1
SSDEEP

12288:nJEzqHKMbNeCpN/PmNcfF+RZnGItAdjfRnisFIH9XonxvK4+n0cV:nSz87bv/u/lO169evKb0

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.wasstech.com
Port:
587
Username:
[email protected]
Password:
Sunray2700@@
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/1096-25-0x0000000000400000-0x0000000000442000-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/1096-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral2/memory/1096-25-0x0000000000400000-0x0000000000442000-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/1096-25-0x0000000000400000-0x0000000000442000-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/1096-25-0x0000000000400000-0x0000000000442000-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/1096-25-0x0000000000400000-0x0000000000442000-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-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.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
27	api.ipify.org
28	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1892 set thread context of 1096	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	97

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
1112	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
1728	powershell.exe
1132	powershell.exe
1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
1096	RegSvcs.exe
1096	RegSvcs.exe
1132	powershell.exe
1728	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
Token: SeDebugPrivilege	1132	powershell.exe
Token: SeDebugPrivilege	1728	powershell.exe
Token: SeDebugPrivilege	1096	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 1728	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	91
PID 1892 wrote to memory of 1728	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	91
PID 1892 wrote to memory of 1728	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	91
PID 1892 wrote to memory of 1132	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	93
PID 1892 wrote to memory of 1132	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	93
PID 1892 wrote to memory of 1132	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	93
PID 1892 wrote to memory of 1112	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	95
PID 1892 wrote to memory of 1112	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	95
PID 1892 wrote to memory of 1112	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	95
PID 1892 wrote to memory of 1096	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	97
PID 1892 wrote to memory of 1096	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	97
PID 1892 wrote to memory of 1096	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	97
PID 1892 wrote to memory of 1096	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	97
PID 1892 wrote to memory of 1096	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	97
PID 1892 wrote to memory of 1096	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	97
PID 1892 wrote to memory of 1096	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	97
PID 1892 wrote to memory of 1096	1892	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	97

C:\Users\Admin\AppData\Local\Temp\923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
"C:\Users\Admin\AppData\Local\Temp\923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1892
- 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\923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1728
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jsHSvhKIRkhsOT.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1132
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jsHSvhKIRkhsOT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB371.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1112
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1096

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
ba246bd2d86f16b8e701e797989d424b

SHA1
048769be2e48bd66ddedbfcf9d40addb6168fc16

SHA256
37c38ce312bc65167a7a6208217dedc66559bd6dd149472fd7001a8e9db310ad

SHA512
473fedc38e188d36b1f2f3db119a5c6c1e8676a24392a64b60198ab38c6725a909b8564892608760cc2dfc6a1b4f72cf4370740f97dcb0722d3fd4e0faa57bec

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
2ef067d28c5556a3ea6db5957299e5a4

SHA1
88c347ad872077a7532c53aa6b27c776e0880d96

SHA256
4947c18e412a0ae5b986c66c94273cec93c7ee01ecc3b5e013290c4334fb402d

SHA512
93250097099aba41c2b8b308182e7c4a54e9311a66605b32cf51dd42e115007bcc30a03c6db5b8065fbadfcd675981f463012b5fd9b2b0ad24a1295fe535ce5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qpuphzlk.30o.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB371.tmp

Filesize
1KB

MD5
f96568f95097062a558db37aaf18b014

SHA1
937dc0e7fc6a200c76d933ba368e6f37ed62b9d1

SHA256
8596b1794b9fc902106c27966919ddef8bd751f9fcf43a1828823eb215d7c7f8

SHA512
405d9b3945ae2feaaa0b5a0a3d68a58871bbd9fafe2421acd60d21bcb8cf540ed6c79862e6543d7f97c672bfccade860866f3863ee2976d833b527960adbe2bc

Download Submit
memory/1096-98-0x0000000005790000-0x00000000057A0000-memory.dmp

Filesize
64KB

Download
memory/1096-97-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1096-86-0x0000000006B10000-0x0000000006B60000-memory.dmp

Filesize
320KB

Download
memory/1096-49-0x0000000005790000-0x00000000057A0000-memory.dmp

Filesize
64KB

Download
memory/1096-40-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1096-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1132-50-0x0000000005FA0000-0x00000000062F4000-memory.dmp

Filesize
3.3MB

Download
memory/1132-84-0x0000000007990000-0x00000000079A1000-memory.dmp

Filesize
68KB

Download
memory/1132-95-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1132-18-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download
memory/1132-88-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

Filesize
104KB

Download
memory/1132-20-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download
memory/1132-87-0x00000000079D0000-0x00000000079E4000-memory.dmp

Filesize
80KB

Download
memory/1132-85-0x00000000079C0000-0x00000000079CE000-memory.dmp

Filesize
56KB

Download
memory/1132-22-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1132-79-0x0000000007630000-0x00000000076D3000-memory.dmp

Filesize
652KB

Download
memory/1132-24-0x0000000005480000-0x00000000054A2000-memory.dmp

Filesize
136KB

Download
memory/1132-58-0x000000007F480000-0x000000007F490000-memory.dmp

Filesize
64KB

Download
memory/1132-32-0x0000000005620000-0x0000000005686000-memory.dmp

Filesize
408KB

Download
memory/1132-69-0x00000000069C0000-0x00000000069DE000-memory.dmp

Filesize
120KB

Download
memory/1132-57-0x00000000711F0000-0x000000007123C000-memory.dmp

Filesize
304KB

Download
memory/1132-54-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download
memory/1728-80-0x0000000008150000-0x00000000087CA000-memory.dmp

Filesize
6.5MB

Download
memory/1728-56-0x0000000006D80000-0x0000000006DB2000-memory.dmp

Filesize
200KB

Download
memory/1728-96-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1728-51-0x00000000067C0000-0x00000000067DE000-memory.dmp

Filesize
120KB

Download
memory/1728-52-0x0000000006870000-0x00000000068BC000-memory.dmp

Filesize
304KB

Download
memory/1728-53-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/1728-16-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1728-55-0x000000007F3C0000-0x000000007F3D0000-memory.dmp

Filesize
64KB

Download
memory/1728-89-0x0000000007E10000-0x0000000007E18000-memory.dmp

Filesize
32KB

Download
memory/1728-15-0x0000000002E90000-0x0000000002EC6000-memory.dmp

Filesize
216KB

Download
memory/1728-59-0x00000000711F0000-0x000000007123C000-memory.dmp

Filesize
304KB

Download
memory/1728-33-0x00000000061D0000-0x0000000006236000-memory.dmp

Filesize
408KB

Download
memory/1728-82-0x0000000007B40000-0x0000000007B4A000-memory.dmp

Filesize
40KB

Download
memory/1728-21-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/1728-81-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

Filesize
104KB

Download
memory/1728-19-0x0000000005A20000-0x0000000006048000-memory.dmp

Filesize
6.2MB

Download
memory/1728-17-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/1728-83-0x0000000007D40000-0x0000000007DD6000-memory.dmp

Filesize
600KB

Download
memory/1892-8-0x00000000083B0000-0x00000000083BA000-memory.dmp

Filesize
40KB

Download
memory/1892-5-0x00000000056E0000-0x00000000056EA000-memory.dmp

Filesize
40KB

Download
memory/1892-6-0x0000000008060000-0x00000000080FC000-memory.dmp

Filesize
624KB

Download
memory/1892-10-0x00000000084E0000-0x0000000008568000-memory.dmp

Filesize
544KB

Download
memory/1892-9-0x00000000083C0000-0x00000000083CE000-memory.dmp

Filesize
56KB

Download
memory/1892-7-0x0000000008390000-0x00000000083A4000-memory.dmp

Filesize
80KB

Download
memory/1892-4-0x00000000057A0000-0x00000000057B0000-memory.dmp

Filesize
64KB

Download
memory/1892-3-0x0000000005530000-0x00000000055C2000-memory.dmp

Filesize
584KB

Download
memory/1892-44-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1892-0-0x0000000000AB0000-0x0000000000B60000-memory.dmp

Filesize
704KB

Download
memory/1892-2-0x0000000005A40000-0x0000000005FE4000-memory.dmp

Filesize
5.6MB

Download
memory/1892-1-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download