agenttesla | 86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc

General

Target

86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe
Size

693KB
MD5

cb805d778f2b3ea120e2714f9f0aa47a
SHA1

27699b574b53703759f1d0b9abaf809e45850892
SHA256

86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc
SHA512

0781a51fa0ee43ed3ee2cbeea735545610e5fb30262ca39cdf707198208b3ae4873066cf73e68c18773cdd93d1079758db27f669484630565196ef4cc68d9279
SSDEEP

12288:hDG4hAuAseF4POiVx2TD2QafZytgdPb48pymqge58jznxP:t2nsmpi6D2BytGDnxPh

Score

10^/10

agenttesla guloader discovery downloader 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
Agenttesla family
agenttesla
Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Downloads MZ/PE file 1 IoCs

flow	pid	Process
45	4372	Process not Found

Loads dropped DLL 1 IoCs

pid	Process
3596	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe

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 3 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

Credentials from Web Browsers
T1555.003

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
20	ip-api.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
684	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3596	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe
684	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
656	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
684	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe
684	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3596	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	684	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3596 wrote to memory of 684	3596	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe	89
PID 3596 wrote to memory of 684	3596	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe	89
PID 3596 wrote to memory of 684	3596	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe	89
PID 3596 wrote to memory of 684	3596	86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe	89

C:\Users\Admin\AppData\Local\Temp\86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe
"C:\Users\Admin\AppData\Local\Temp\86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3596
- C:\Users\Admin\AppData\Local\Temp\86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe
  "C:\Users\Admin\AppData\Local\Temp\86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:684

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzI1NjAxNDAxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nstCF77.tmp\System.dll

Filesize
11KB

MD5
ee260c45e97b62a5e42f17460d406068

SHA1
df35f6300a03c4d3d3bd69752574426296b78695

SHA256
e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

SHA512
a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skullcaps\Flexuosities\gammastraaling.ini

Filesize
7KB

MD5
208b492f269677c290c1d0a3b8435b0b

SHA1
3c3e494d0cc8f175e31ddc9a08dd1e3eca89b34f

SHA256
5a9b8ba78b02b3cc378637ae164f9f55491efa7bec601a2ea86f1016c00f7a3e

SHA512
ed30993831d4dc995ba50dc05cf8f6987c75cb0fcdea79c82236226611a9e86c1b23f24c66d1fb6cffa29a95992893cc11103c81f5d9972f059809319c4a1dcb

Download Submit
memory/684-28-0x0000000035260000-0x0000000035804000-memory.dmp

Filesize
5.6MB

Download
memory/684-23-0x0000000000480000-0x00000000016D4000-memory.dmp

Filesize
18.3MB

Download
memory/684-32-0x0000000036190000-0x000000003619A000-memory.dmp

Filesize
40KB

Download
memory/684-31-0x0000000036100000-0x0000000036150000-memory.dmp

Filesize
320KB

Download
memory/684-19-0x00000000016E0000-0x0000000002821000-memory.dmp

Filesize
17.3MB

Download
memory/684-20-0x00000000773B8000-0x00000000773B9000-memory.dmp

Filesize
4KB

Download
memory/684-21-0x00000000773D5000-0x00000000773D6000-memory.dmp

Filesize
4KB

Download
memory/684-22-0x00000000016E0000-0x0000000002821000-memory.dmp

Filesize
17.3MB

Download
memory/684-24-0x0000000077331000-0x0000000077451000-memory.dmp

Filesize
1.1MB

Download
memory/684-30-0x0000000036030000-0x00000000360C2000-memory.dmp

Filesize
584KB

Download
memory/684-25-0x0000000000480000-0x00000000016D4000-memory.dmp

Filesize
18.3MB

Download
memory/684-26-0x00000000016E0000-0x0000000002821000-memory.dmp

Filesize
17.3MB

Download
memory/684-27-0x0000000000480000-0x00000000004C2000-memory.dmp

Filesize
264KB

Download
memory/684-29-0x0000000035170000-0x00000000351D6000-memory.dmp

Filesize
408KB

Download
memory/3596-14-0x0000000004A00000-0x0000000005B41000-memory.dmp

Filesize
17.3MB

Download
memory/3596-15-0x0000000077331000-0x0000000077451000-memory.dmp

Filesize
1.1MB

Download
memory/3596-18-0x0000000004A00000-0x0000000005B41000-memory.dmp

Filesize
17.3MB

Download
memory/3596-16-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download

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