agenttesla | 9668bb1a1519a22c59ac41ea40958ff3d21b6395469401faa6bec816142d6a4b

General

Target

JAE-2408001146.exe
Size

544KB
MD5

15ceb47475a86d9b42cb5bb9e92ad101
SHA1

86bcebd131167e95dbff902c4fc4669f829b3d81
SHA256

c0606c7a28717e12ff2ba17844d4be166dcc9cfa060c98d0bd3b940c79d81ef8
SHA512

76031122fa7670ac69965038ea60472917ea16059b23c353db467121a4b2740c9e8ce422d7869fb1868f91e496017a63e03540d5e8eb760a1a8c70720eb9aeef
SSDEEP

12288:NYV6MorX7qzuC3QHO9FQVHPF51jgcrzOtOD/eRyCAcFx:iBXu9HGaVHm8/KdfFx

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mahesh-ent.com
Port:
587
Username:
[email protected]
Password:
M@hesh3981
Email To:
[email protected]

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/2196-0-0x00000000000E0000-0x000000000021D000-memory.dmp	upx
behavioral2/memory/2196-15-0x00000000000E0000-0x000000000021D000-memory.dmp	upx

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
16	api.ipify.org
17	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2196-15-0x00000000000E0000-0x000000000021D000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2196 set thread context of 5068	2196	JAE-2408001146.exe	93

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	JAE-2408001146.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5068	RegSvcs.exe
5068	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2196	JAE-2408001146.exe
2196	JAE-2408001146.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5068	RegSvcs.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2196	JAE-2408001146.exe
2196	JAE-2408001146.exe
2196	JAE-2408001146.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2196	JAE-2408001146.exe
2196	JAE-2408001146.exe
2196	JAE-2408001146.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5068	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 5068	2196	JAE-2408001146.exe	93
PID 2196 wrote to memory of 5068	2196	JAE-2408001146.exe	93
PID 2196 wrote to memory of 5068	2196	JAE-2408001146.exe	93
PID 2196 wrote to memory of 5068	2196	JAE-2408001146.exe	93

C:\Users\Admin\AppData\Local\Temp\JAE-2408001146.exe
"C:\Users\Admin\AppData\Local\Temp\JAE-2408001146.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\JAE-2408001146.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:5068

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=1388,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=4392 /prefetch:8
1⤵
PID:4712

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 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/2196-15-0x00000000000E0000-0x000000000021D000-memory.dmp

Filesize
1.2MB

Download
memory/2196-12-0x0000000004430000-0x0000000004434000-memory.dmp

Filesize
16KB

Download
memory/2196-0-0x00000000000E0000-0x000000000021D000-memory.dmp

Filesize
1.2MB

Download
memory/5068-18-0x0000000004E00000-0x0000000004E66000-memory.dmp

Filesize
408KB

Download
memory/5068-16-0x0000000073D6E000-0x0000000073D6F000-memory.dmp

Filesize
4KB

Download
memory/5068-17-0x0000000005340000-0x00000000058E4000-memory.dmp

Filesize
5.6MB

Download
memory/5068-13-0x0000000000360000-0x00000000003A2000-memory.dmp

Filesize
264KB

Download
memory/5068-19-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/5068-20-0x0000000006230000-0x0000000006280000-memory.dmp

Filesize
320KB

Download
memory/5068-21-0x0000000006320000-0x00000000063B2000-memory.dmp

Filesize
584KB

Download
memory/5068-22-0x00000000064B0000-0x00000000064BA000-memory.dmp

Filesize
40KB

Download
memory/5068-23-0x0000000073D6E000-0x0000000073D6F000-memory.dmp

Filesize
4KB

Download
memory/5068-24-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download

Analysis

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