agenttesla | 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357

General

Target

658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe
Size

346KB
MD5

8285969a996e16a008659a595bb1634d
SHA1

c5e4199ae23667c3b8da14ca098ee83d66c63712
SHA256

658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357
SHA512

007112412e771ebb4ebb51a2d143f3845163e8c6ef9f5b7b2fa0eef02acfdd587efaefa0623ee34eb8d3c8e14fea1548f9be66ac09e466ed2676267c6305d3b8
SSDEEP

6144:+uftnqZwmqkad+Po17BcCzyWswco1cWAL5lU+lfVJUfs+/42emV:XtBkad+PaVcCzhObjnlfVJrSUm

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7120748756:AAFZ1rNHWvZ2WKxfHU3qxCCnCA0rgvXj0Ts/

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

Processes:

resource	yara_rule
behavioral2/memory/2100-29-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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

Processes:

resource	yara_rule
behavioral2/memory/2100-29-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

Processes:

resource	yara_rule
behavioral2/memory/2100-29-0x0000000000400000-0x0000000000444000-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

Processes:

resource	yara_rule
behavioral2/memory/2100-29-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

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

Processes:

resource	yara_rule
behavioral2/memory/2100-29-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

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

Processes:

resource	yara_rule
behavioral2/memory/2100-29-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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 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.

Processes:

flow ioc

7 api.ipify.org
9 api.ipify.org

flow	ioc
7	api.ipify.org
9	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe

description	pid	process	target process
PID 3852 set thread context of 2100	3852	658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Powershell.exeRegAsm.exe

pid process

2224 Powershell.exe
2224 Powershell.exe
2100 RegAsm.exe
2100 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Powershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 2224 Powershell.exe
Token: SeDebugPrivilege 2100 RegAsm.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

2100 RegAsm.exe

pid	process
2224	Powershell.exe
2224	Powershell.exe
2100	RegAsm.exe
2100	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2224	Powershell.exe
Token: SeDebugPrivilege	2100	RegAsm.exe

pid	process
2100	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe

description	pid	process	target process
PID 3852 wrote to memory of 2224	3852	658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe	Powershell.exe
PID 3852 wrote to memory of 2224	3852	658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe	Powershell.exe
PID 3852 wrote to memory of 2224	3852	658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe	Powershell.exe
PID 3852 wrote to memory of 2100	3852	658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe	RegAsm.exe
PID 3852 wrote to memory of 2100	3852	658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe	RegAsm.exe
PID 3852 wrote to memory of 2100	3852	658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe	RegAsm.exe
PID 3852 wrote to memory of 2100	3852	658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe	RegAsm.exe
PID 3852 wrote to memory of 2100	3852	658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe	RegAsm.exe
PID 3852 wrote to memory of 2100	3852	658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe	RegAsm.exe
PID 3852 wrote to memory of 2100	3852	658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe	RegAsm.exe
PID 3852 wrote to memory of 2100	3852	658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe
"C:\Users\Admin\AppData\Local\Temp\658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3852

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" 'C:\Users\Admin\AppData\Local\Temp\658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2224

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2100

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3uqiuvug.u2h.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2100-39-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/2100-38-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/2100-37-0x0000000006740000-0x0000000006790000-memory.dmp

Filesize
320KB

Download
memory/2100-31-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/2100-30-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/2100-29-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2224-15-0x0000000005450000-0x00000000054B6000-memory.dmp

Filesize
408KB

Download
memory/2224-26-0x0000000005AD0000-0x0000000005AEE000-memory.dmp

Filesize
120KB

Download
memory/2224-12-0x0000000004C40000-0x0000000005268000-memory.dmp

Filesize
6.2MB

Download
memory/2224-11-0x0000000002190000-0x00000000021A0000-memory.dmp

Filesize
64KB

Download
memory/2224-10-0x0000000002190000-0x00000000021A0000-memory.dmp

Filesize
64KB

Download
memory/2224-9-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/2224-13-0x0000000004B10000-0x0000000004B32000-memory.dmp

Filesize
136KB

Download
memory/2224-34-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/2224-14-0x0000000005270000-0x00000000052D6000-memory.dmp

Filesize
408KB

Download
memory/2224-27-0x0000000005AF0000-0x0000000005B3C000-memory.dmp

Filesize
304KB

Download
memory/2224-25-0x00000000054C0000-0x0000000005814000-memory.dmp

Filesize
3.3MB

Download
memory/2224-8-0x00000000021E0000-0x0000000002216000-memory.dmp

Filesize
216KB

Download
memory/3852-7-0x0000000005880000-0x000000000591C000-memory.dmp

Filesize
624KB

Download
memory/3852-28-0x00000000054E0000-0x00000000054EA000-memory.dmp

Filesize
40KB

Download
memory/3852-5-0x00000000054D0000-0x00000000054DA000-memory.dmp

Filesize
40KB

Download
memory/3852-6-0x0000000005740000-0x0000000005798000-memory.dmp

Filesize
352KB

Download
memory/3852-4-0x0000000005640000-0x0000000005650000-memory.dmp

Filesize
64KB

Download
memory/3852-0-0x0000000000A90000-0x0000000000AEC000-memory.dmp

Filesize
368KB

Download
memory/3852-36-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/3852-3-0x0000000005500000-0x0000000005592000-memory.dmp

Filesize
584KB

Download
memory/3852-2-0x0000000005AB0000-0x0000000006054000-memory.dmp

Filesize
5.6MB

Download
memory/3852-1-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads