agenttesla | 7b40df3579d8fd5f3f73a8883b59dd03b12b6da4bf10cc54fea802d4a9247205

General

Target

NEAS.b9b8025e6c557a2267f698ac639eb950.exe
Size

295KB
MD5

b9b8025e6c557a2267f698ac639eb950
SHA1

82a5e16b1ea83d7cc837f04ede79fef92acd826b
SHA256

7b40df3579d8fd5f3f73a8883b59dd03b12b6da4bf10cc54fea802d4a9247205
SHA512

ee8cdd3160c23d5720b397919c0ce6a00f39267f97a133ebc39d86e0b4cf2799832065e3abe1a053246d4ec80642f4bc03aa6dc78dc62c3ee21749f3d6600094
SSDEEP

3072:U5eSg5dRjgQu71uAnL3uE7ffGu1X2YMwZ+ultemU8PJTtFGa:U58ngRhFmuQYMQxK

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6664433281:AAFZOpofeLf3cgDa3QR24ZBplUk9r2Gq-1Y/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Njxsxklgr = "C:\\Users\\Admin\\AppData\\Roaming\\Njxsxklgr.exe"	NEAS.b9b8025e6c557a2267f698ac639eb950.exe

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
51	api.ipify.org
50	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3156 set thread context of 4444	3156	NEAS.b9b8025e6c557a2267f698ac639eb950.exe	93

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4444	NEAS.b9b8025e6c557a2267f698ac639eb950.exe
4444	NEAS.b9b8025e6c557a2267f698ac639eb950.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3156	NEAS.b9b8025e6c557a2267f698ac639eb950.exe
Token: SeDebugPrivilege	4444	NEAS.b9b8025e6c557a2267f698ac639eb950.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 4444	3156	NEAS.b9b8025e6c557a2267f698ac639eb950.exe	93
PID 3156 wrote to memory of 4444	3156	NEAS.b9b8025e6c557a2267f698ac639eb950.exe	93
PID 3156 wrote to memory of 4444	3156	NEAS.b9b8025e6c557a2267f698ac639eb950.exe	93
PID 3156 wrote to memory of 4444	3156	NEAS.b9b8025e6c557a2267f698ac639eb950.exe	93
PID 3156 wrote to memory of 4444	3156	NEAS.b9b8025e6c557a2267f698ac639eb950.exe	93
PID 3156 wrote to memory of 4444	3156	NEAS.b9b8025e6c557a2267f698ac639eb950.exe	93
PID 3156 wrote to memory of 4444	3156	NEAS.b9b8025e6c557a2267f698ac639eb950.exe	93
PID 3156 wrote to memory of 4444	3156	NEAS.b9b8025e6c557a2267f698ac639eb950.exe	93

C:\Users\Admin\AppData\Local\Temp\NEAS.b9b8025e6c557a2267f698ac639eb950.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.b9b8025e6c557a2267f698ac639eb950.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Users\Admin\AppData\Local\Temp\NEAS.b9b8025e6c557a2267f698ac639eb950.exe
  C:\Users\Admin\AppData\Local\Temp\NEAS.b9b8025e6c557a2267f698ac639eb950.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEAS.b9b8025e6c557a2267f698ac639eb950.exe.log

Filesize
1KB

MD5
489c7565f9b029ba9fadff774073cc98

SHA1
56c05089b33ee7e7dfa9e6a2d098164efd8e1150

SHA256
10bf6242da02dad8b2e1208b9dab9a7303cf986320e05e5ef20b99c9b71326d4

SHA512
ddea09c011a8d4f85905842c2f34c98add0110a0b6b3b2709718c3614a2c42dec5f4f5d5b9442cfd3c6c23e9a90c8c0b25c14c3dbd42faea9cc8dd232cace1ac

Download Submit
memory/3156-5-0x0000000005D40000-0x0000000005D92000-memory.dmp

Filesize
328KB

Download
memory/3156-2-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

Filesize
64KB

Download
memory/3156-3-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/3156-4-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

Filesize
64KB

Download
memory/3156-0-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/3156-6-0x0000000005DB0000-0x0000000005DF0000-memory.dmp

Filesize
256KB

Download
memory/3156-7-0x0000000005F60000-0x0000000005FAC000-memory.dmp

Filesize
304KB

Download
memory/3156-8-0x00000000065A0000-0x0000000006B44000-memory.dmp

Filesize
5.6MB

Download
memory/3156-1-0x0000000000380000-0x00000000003D0000-memory.dmp

Filesize
320KB

Download
memory/3156-13-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/4444-15-0x0000000005850000-0x0000000005860000-memory.dmp

Filesize
64KB

Download
memory/4444-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4444-14-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/4444-16-0x0000000005910000-0x0000000005976000-memory.dmp

Filesize
408KB

Download
memory/4444-17-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/4444-18-0x0000000005850000-0x0000000005860000-memory.dmp

Filesize
64KB

Download
memory/4444-19-0x0000000007090000-0x00000000070E0000-memory.dmp

Filesize
320KB

Download
memory/4444-20-0x0000000007180000-0x000000000721C000-memory.dmp

Filesize
624KB

Download
memory/4444-21-0x0000000007320000-0x00000000073B2000-memory.dmp

Filesize
584KB

Download
memory/4444-22-0x0000000007140000-0x000000000714A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads