agenttesla | 3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030

General

Target

3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe
Size

275KB
MD5

a3ef7b3db56fd834a3f6e7f5260514b0
SHA1

c79968b34032964457b7c9873318c11ac30f8149
SHA256

3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030
SHA512

6064084d39fe9d824d1a83a0d5e4414295580e91b138823c7a4a297e5ab8b54e80ee18bfd46f5f74a5c09220e1dddc7eee05a1d424e20c7711db6f3edd47adba
SSDEEP

3072:sr85CT4IAOerTxPmOI4fgXHNh5Pr8bN4gDuiICmKG:k9T4IAOerTxPmOtfg3Nf8bWfiICXG

Score

10^/10

agenttesla neshta credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6983892140:AAFuDvnVBnkxRmQB8di3AZt-LndssiFsj94/

Signatures

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

Detect Neshta payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010317-11.dat	family_neshta
behavioral1/memory/2476-14-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
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

Executes dropped EXE 1 IoCs

pid	Process
888	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe

Loads dropped DLL 1 IoCs

pid	Process
2476	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe

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

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe

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

System Information Discovery
T1082

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	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
888	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe
888	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	888	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 888	2476	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe	30
PID 2476 wrote to memory of 888	2476	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe	30
PID 2476 wrote to memory of 888	2476	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe	30
PID 2476 wrote to memory of 888	2476	3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe	30

C:\Users\Admin\AppData\Local\Temp\3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe
"C:\Users\Admin\AppData\Local\Temp\3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Users\Admin\AppData\Local\Temp\3582-490\3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

Filesize
547KB

MD5
cf6c595d3e5e9667667af096762fd9c4

SHA1
9bb44da8d7f6457099cb56e4f7d1026963dce7ce

SHA256
593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

SHA512
ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\3cc42cf175f5db337fec2f980b847dc58bd9a62c23830d8797e5bb05e5c69030.exe

Filesize
234KB

MD5
eea3e1ba17533d5c4d22f189e8126296

SHA1
8880d4f14c24d3ab71df0d1a629fb8fd4eabd6ae

SHA256
5f758e3a3fa6a5bd33c3cc830c7d88a5dc84c36e1d78be3d07bfbe4a99383df4

SHA512
b8cf3b298af6e654e78a2fadd7beec64d7ce163ba8c363da2d0074f64842bbdffb099c3fadb572050bba3ef19569d1d3aacbeba306131b6c78b07116e14027fe

Download Submit
memory/888-12-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/888-13-0x0000000000220000-0x0000000000260000-memory.dmp

Filesize
256KB

Download
memory/888-15-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/888-16-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/888-17-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2476-14-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads