agenttesla | 200b60fcc0ebe4080aa6c9ce6aa417dd3e860329f0f6637b5fb86bc4dd8d043f

General

Target

NEW PURCHASE ORDER #024.scr
Size

662KB
MD5

a8506bf1a11d304139c48334964fefce
SHA1

57d5b782a33dd88964da211bb9b2856c71e1cde7
SHA256

43ba52dbbb5b429c68cdf2c4af2f304be871646c633d72099e9c9b9ceb8fef93
SHA512

45ec151f37325cf7050821834906cefed37dab475732695f8ae9674f136649dd84a6cb30b887af92d3ece3e5cb7133aaa39bc8fe2e3ee552579a7fd3b261007d
SSDEEP

12288:hm/BeQ5vzivDE/xLL1NFcLop5olVZmYPvhGJp5OfJad+45nsA:criYl57cLo5olVZPha5OfJak42

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.afconnl.com
Port:
587
Username:
[email protected]
Password:
ah!kfC@0

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.afconnl.com
Port:
587
Username:
[email protected]
Password:
ah!kfC@0
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/4720-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

resource	yara_rule
behavioral2/memory/4720-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/memory/4720-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/4720-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/4720-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/4720-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
19	api.ipify.org
20	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4976 set thread context of 4720	4976	NEW PURCHASE ORDER #024.scr	85

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4720	NEW PURCHASE ORDER #024.scr
4720	NEW PURCHASE ORDER #024.scr

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4720	NEW PURCHASE ORDER #024.scr

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 4720	4976	NEW PURCHASE ORDER #024.scr	85
PID 4976 wrote to memory of 4720	4976	NEW PURCHASE ORDER #024.scr	85
PID 4976 wrote to memory of 4720	4976	NEW PURCHASE ORDER #024.scr	85
PID 4976 wrote to memory of 4720	4976	NEW PURCHASE ORDER #024.scr	85
PID 4976 wrote to memory of 4720	4976	NEW PURCHASE ORDER #024.scr	85
PID 4976 wrote to memory of 4720	4976	NEW PURCHASE ORDER #024.scr	85
PID 4976 wrote to memory of 4720	4976	NEW PURCHASE ORDER #024.scr	85
PID 4976 wrote to memory of 4720	4976	NEW PURCHASE ORDER #024.scr	85

C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr
"C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr
  "C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\NEW PURCHASE ORDER #024.scr.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4720-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4720-20-0x0000000005290000-0x00000000052A0000-memory.dmp

Filesize
64KB

Download
memory/4720-19-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/4720-18-0x0000000006A50000-0x0000000006AA0000-memory.dmp

Filesize
320KB

Download
memory/4720-17-0x00000000053B0000-0x0000000005416000-memory.dmp

Filesize
408KB

Download
memory/4720-16-0x0000000005290000-0x00000000052A0000-memory.dmp

Filesize
64KB

Download
memory/4720-15-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/4976-5-0x00000000050A0000-0x00000000050AA000-memory.dmp

Filesize
40KB

Download
memory/4976-9-0x0000000006A70000-0x0000000006AF8000-memory.dmp

Filesize
544KB

Download
memory/4976-10-0x0000000009190000-0x000000000922C000-memory.dmp

Filesize
624KB

Download
memory/4976-8-0x0000000006A20000-0x0000000006A2E000-memory.dmp

Filesize
56KB

Download
memory/4976-7-0x0000000006A10000-0x0000000006A1A000-memory.dmp

Filesize
40KB

Download
memory/4976-6-0x00000000069E0000-0x00000000069F4000-memory.dmp

Filesize
80KB

Download
memory/4976-14-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/4976-0-0x0000000000620000-0x00000000006CC000-memory.dmp

Filesize
688KB

Download
memory/4976-4-0x00000000052A0000-0x00000000052B0000-memory.dmp

Filesize
64KB

Download
memory/4976-3-0x00000000050E0000-0x0000000005172000-memory.dmp

Filesize
584KB

Download
memory/4976-2-0x00000000055F0000-0x0000000005B94000-memory.dmp

Filesize
5.6MB

Download
memory/4976-1-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads