agenttesla | 86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63

General

Target

86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63.exe
Size

801KB
MD5

f7407d909a701a85f0aec9c898ebed35
SHA1

19fb4fbbc9e1f1e279b9f046e0667287cef40951
SHA256

86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63
SHA512

3d6b55c42e8309a059a923560ef7838c13385c4680c467669b9900dce55fd31827aa0490964649768b80f891ab4e6e26f45a4455ff92d64cbf8d9fe065a9fd91
SSDEEP

12288:v6Wq4aaE6KwyF5L0Y2D1PqLRpZnECRwtmO64RPFG3lAr9T7IrqmK+2tZb1XswHTt:tthEVaPqL1l/O641F5TYKlZpXRTBDyO9

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.elquijotebanquetes.com
Port:
21
Username:
[email protected]
Password:
-GN,s*KH{VEhPmo)+f

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

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4828-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/4828-10-0x0000000000400000-0x00000000004C2000-memory.dmp	upx

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
15	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4828-10-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4828 set thread context of 4252	4828	86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63.exe	89

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4988	4828	WerFault.exe	88

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	86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4252	RegSvcs.exe
4252	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4828	86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4252	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 4252	4828	86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63.exe	89
PID 4828 wrote to memory of 4252	4828	86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63.exe	89
PID 4828 wrote to memory of 4252	4828	86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63.exe	89
PID 4828 wrote to memory of 4252	4828	86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63.exe	89

C:\Users\Admin\AppData\Local\Temp\86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63.exe
"C:\Users\Admin\AppData\Local\Temp\86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\86c0e8c71fe53ff1ee1ac2a494c208392b9f4128f85552e69105e8fa19724f63.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 716
  2⤵
  - Program crash
  PID:4988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4828 -ip 4828
1⤵
PID:1928

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=4272,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=2152 /prefetch:8
1⤵
PID:4104

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

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4252-8-0x0000000073750000-0x0000000073F00000-memory.dmp

Filesize
7.7MB

Download
memory/4252-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4252-5-0x000000007375E000-0x000000007375F000-memory.dmp

Filesize
4KB

Download
memory/4252-6-0x0000000005840000-0x0000000005DE4000-memory.dmp

Filesize
5.6MB

Download
memory/4252-7-0x0000000005390000-0x00000000053F6000-memory.dmp

Filesize
408KB

Download
memory/4252-11-0x0000000006600000-0x0000000006650000-memory.dmp

Filesize
320KB

Download
memory/4252-12-0x00000000066F0000-0x0000000006782000-memory.dmp

Filesize
584KB

Download
memory/4252-13-0x0000000006680000-0x000000000668A000-memory.dmp

Filesize
40KB

Download
memory/4252-14-0x000000007375E000-0x000000007375F000-memory.dmp

Filesize
4KB

Download
memory/4252-15-0x0000000073750000-0x0000000073F00000-memory.dmp

Filesize
7.7MB

Download
memory/4828-3-0x0000000004370000-0x0000000004770000-memory.dmp

Filesize
4.0MB

Download
memory/4828-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4828-10-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download

Analysis

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