agenttesla | bae58a6286d8fb60c1118d8024c0aa7e8e8476405b17d05b68502e6bce5b1fd8

General

Target

kYyBuIFRcL6U7Fl.exe
Size

604KB
MD5

dc6c813e0b5c0adab63e8f6e47d3fb76
SHA1

c9979e87cf35d8563a16bf52ad762c04c89badc9
SHA256

3d6012eb13b5a891571ea2d7c7bf120b9c12d479e5cb2c6ffc7e515e14c46866
SHA512

c3e83b275c6aedbf56fe581b6e5f5b7f9ec33573c460eca63590a33326c08378dd7ea04b1d80807fdfc74738d432adb9b37892a0655aff8611d2e30f4d9f9ef3
SSDEEP

12288:z+E26ddIYd1x66+9GreDc4bRbOpPE6/5kqRQeB0QzauW2a5W:aOwO1mQreDc4lypPp+kQelzauWS

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sg2plcpnl0128.prod.sin2.secureserver.net
Port:
587
Username:
[email protected]
Password:
]EMe[F7b^j@[
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

Processes:

resource	yara_rule
behavioral2/memory/4880-34-0x0000000000400000-0x0000000000442000-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/4880-34-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3412-7-0x00000000058D0000-0x00000000058DC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

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

Processes:

resource	yara_rule
behavioral2/memory/4880-34-0x0000000000400000-0x0000000000442000-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/4880-34-0x0000000000400000-0x0000000000442000-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/4880-34-0x0000000000400000-0x0000000000442000-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/4880-34-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

kYyBuIFRcL6U7Fl.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	kYyBuIFRcL6U7Fl.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.

Processes:

flow ioc

45 api.ipify.org
46 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

kYyBuIFRcL6U7Fl.exe

description pid process target process

PID 3412 set thread context of 4880 3412 kYyBuIFRcL6U7Fl.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

4468 schtasks.exe

flow	ioc
45	api.ipify.org
46	api.ipify.org

description	pid	process	target process
PID 3412 set thread context of 4880	3412	kYyBuIFRcL6U7Fl.exe	RegSvcs.exe

pid	process
4468	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

kYyBuIFRcL6U7Fl.exepowershell.exepowershell.exeRegSvcs.exe

pid	process
3412	kYyBuIFRcL6U7Fl.exe
3412	kYyBuIFRcL6U7Fl.exe
1960	powershell.exe
3932	powershell.exe
3932	powershell.exe
1960	powershell.exe
3412	kYyBuIFRcL6U7Fl.exe
4880	RegSvcs.exe
4880	RegSvcs.exe
4880	RegSvcs.exe
3932	powershell.exe
1960	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

kYyBuIFRcL6U7Fl.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3412	kYyBuIFRcL6U7Fl.exe
Token: SeDebugPrivilege	1960	powershell.exe
Token: SeDebugPrivilege	3932	powershell.exe
Token: SeDebugPrivilege	4880	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

kYyBuIFRcL6U7Fl.exe

description	pid	process	target process
PID 3412 wrote to memory of 3932	3412	kYyBuIFRcL6U7Fl.exe	powershell.exe
PID 3412 wrote to memory of 3932	3412	kYyBuIFRcL6U7Fl.exe	powershell.exe
PID 3412 wrote to memory of 3932	3412	kYyBuIFRcL6U7Fl.exe	powershell.exe
PID 3412 wrote to memory of 1960	3412	kYyBuIFRcL6U7Fl.exe	powershell.exe
PID 3412 wrote to memory of 1960	3412	kYyBuIFRcL6U7Fl.exe	powershell.exe
PID 3412 wrote to memory of 1960	3412	kYyBuIFRcL6U7Fl.exe	powershell.exe
PID 3412 wrote to memory of 4468	3412	kYyBuIFRcL6U7Fl.exe	schtasks.exe
PID 3412 wrote to memory of 4468	3412	kYyBuIFRcL6U7Fl.exe	schtasks.exe
PID 3412 wrote to memory of 4468	3412	kYyBuIFRcL6U7Fl.exe	schtasks.exe
PID 3412 wrote to memory of 4880	3412	kYyBuIFRcL6U7Fl.exe	RegSvcs.exe
PID 3412 wrote to memory of 4880	3412	kYyBuIFRcL6U7Fl.exe	RegSvcs.exe
PID 3412 wrote to memory of 4880	3412	kYyBuIFRcL6U7Fl.exe	RegSvcs.exe
PID 3412 wrote to memory of 4880	3412	kYyBuIFRcL6U7Fl.exe	RegSvcs.exe
PID 3412 wrote to memory of 4880	3412	kYyBuIFRcL6U7Fl.exe	RegSvcs.exe
PID 3412 wrote to memory of 4880	3412	kYyBuIFRcL6U7Fl.exe	RegSvcs.exe
PID 3412 wrote to memory of 4880	3412	kYyBuIFRcL6U7Fl.exe	RegSvcs.exe
PID 3412 wrote to memory of 4880	3412	kYyBuIFRcL6U7Fl.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\kYyBuIFRcL6U7Fl.exe
"C:\Users\Admin\AppData\Local\Temp\kYyBuIFRcL6U7Fl.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3412

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\kYyBuIFRcL6U7Fl.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3932

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UoqhCzdpcgs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1960

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UoqhCzdpcgs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6060.tmp"
2⤵
- Creates scheduled task(s)
PID:4468

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4880

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
c944ad5829b07518c78222ab37d31960

SHA1
1fc8d206dc9905b3d6fc6a2a7933b1ea20c8b8bc

SHA256
f0fdffbb99d28cb336a96c76c02bc1c89cecb7d1fb1c3400a00cf3a90c62ff86

SHA512
9ba7afca4666c9e2cedfec6b41f672db96cb3042ec1bae986109374e8444d784e47429e8234811ab650d805dbeebc7679390425800f95985cfa3e8b7c8d0fc03

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3opmw1bn.vwh.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6060.tmp
Filesize
1KB

MD5
3fb7d6aeef5b2a0672d3e996050ae6b1

SHA1
3833b36fa8da4c618a8f621ce9ce2cfd8023d42c

SHA256
97652b52759cb9c57eb943ad5861d99617c5a76e75895dbda7b6dff41494844f

SHA512
556af4ecb4751d566ed827a2d5f9b6de00285541257ec4d8843fdefd7aa89c9ade54b59aad2497e69c96da27ad181dd637ec0f96ff5db70283e1a9b2c8332b2e

Download Submit
memory/1960-18-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/1960-19-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/1960-65-0x0000000006BD0000-0x0000000006BEE000-memory.dmp

Filesize
120KB

Download
memory/1960-66-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/1960-53-0x0000000075570000-0x00000000755BC000-memory.dmp

Filesize
304KB

Download
memory/1960-80-0x00000000079A0000-0x00000000079AA000-memory.dmp

Filesize
40KB

Download
memory/1960-93-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/1960-81-0x0000000007BB0000-0x0000000007C46000-memory.dmp

Filesize
600KB

Download
memory/1960-22-0x0000000005DB0000-0x0000000005E16000-memory.dmp

Filesize
408KB

Download
memory/1960-86-0x0000000007C50000-0x0000000007C58000-memory.dmp

Filesize
32KB

Download
memory/1960-54-0x000000007F060000-0x000000007F070000-memory.dmp

Filesize
64KB

Download
memory/1960-24-0x0000000005F90000-0x0000000005FF6000-memory.dmp

Filesize
408KB

Download
memory/1960-23-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3412-2-0x0000000005990000-0x0000000005F34000-memory.dmp

Filesize
5.6MB

Download
memory/3412-5-0x00000000053A0000-0x00000000053AA000-memory.dmp

Filesize
40KB

Download
memory/3412-3-0x00000000053E0000-0x0000000005472000-memory.dmp

Filesize
584KB

Download
memory/3412-4-0x00000000055B0000-0x00000000055C0000-memory.dmp

Filesize
64KB

Download
memory/3412-1-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3412-9-0x0000000009070000-0x000000000910C000-memory.dmp

Filesize
624KB

Download
memory/3412-8-0x0000000006900000-0x0000000006982000-memory.dmp

Filesize
520KB

Download
memory/3412-7-0x00000000058D0000-0x00000000058DC000-memory.dmp

Filesize
48KB

Download
memory/3412-48-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3412-6-0x0000000005720000-0x0000000005732000-memory.dmp

Filesize
72KB

Download
memory/3412-0-0x0000000000A60000-0x0000000000AFE000-memory.dmp

Filesize
632KB

Download
memory/3932-49-0x0000000005B20000-0x0000000005B3E000-memory.dmp

Filesize
120KB

Download
memory/3932-21-0x00000000053C0000-0x00000000053E2000-memory.dmp

Filesize
136KB

Download
memory/3932-14-0x00000000045A0000-0x00000000045D6000-memory.dmp

Filesize
216KB

Download
memory/3932-55-0x0000000075570000-0x00000000755BC000-memory.dmp

Filesize
304KB

Download
memory/3932-92-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3932-52-0x0000000006AE0000-0x0000000006B12000-memory.dmp

Filesize
200KB

Download
memory/3932-16-0x0000000004C20000-0x0000000005248000-memory.dmp

Filesize
6.2MB

Download
memory/3932-51-0x000000007F1D0000-0x000000007F1E0000-memory.dmp

Filesize
64KB

Download
memory/3932-77-0x00000000045E0000-0x00000000045F0000-memory.dmp

Filesize
64KB

Download
memory/3932-76-0x0000000006D20000-0x0000000006DC3000-memory.dmp

Filesize
652KB

Download
memory/3932-78-0x00000000074C0000-0x0000000007B3A000-memory.dmp

Filesize
6.5MB

Download
memory/3932-79-0x0000000006E70000-0x0000000006E8A000-memory.dmp

Filesize
104KB

Download
memory/3932-35-0x00000000056C0000-0x0000000005A14000-memory.dmp

Filesize
3.3MB

Download
memory/3932-50-0x0000000005B50000-0x0000000005B9C000-memory.dmp

Filesize
304KB

Download
memory/3932-82-0x0000000007070000-0x0000000007081000-memory.dmp

Filesize
68KB

Download
memory/3932-83-0x00000000070A0000-0x00000000070AE000-memory.dmp

Filesize
56KB

Download
memory/3932-84-0x00000000070B0000-0x00000000070C4000-memory.dmp

Filesize
80KB

Download
memory/3932-85-0x00000000071B0000-0x00000000071CA000-memory.dmp

Filesize
104KB

Download
memory/3932-17-0x00000000045E0000-0x00000000045F0000-memory.dmp

Filesize
64KB

Download
memory/3932-15-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4880-34-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4880-45-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4880-47-0x0000000005640000-0x0000000005650000-memory.dmp

Filesize
64KB

Download
memory/4880-94-0x0000000006AB0000-0x0000000006B00000-memory.dmp

Filesize
320KB

Download
memory/4880-95-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4880-96-0x0000000005640000-0x0000000005650000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads