agenttesla | 54997c9767d784fc3d566238940f84541c4b614ec794aceeb84d2bb8a4104bf5

General

Target

bank account details.exe
Size

1.1MB
MD5

6fa33275b4f3de73faabdd5dc084f0c9
SHA1

8b624a452820e2949eec05c2e16c6cb0cd685c12
SHA256

54997c9767d784fc3d566238940f84541c4b614ec794aceeb84d2bb8a4104bf5
SHA512

3854b0e82dae57b39d4cdbe4f82b044b08c618975878f68e2371e8de7df20c274a67187d1b02b1fcfe0153a195e6884bdba1bd23f55a0f315fe6823bb68cccbf

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tejoofashions.com
Port:
587
Username:
it@tejoofashions.com
Password:
OmiCron#2019

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4040-126-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral2/memory/4040-127-0x00000000004618AE-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\WCPCe = "C:\\Users\\Admin\\AppData\\Roaming\\WCPCe\\WCPCe.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bank account details.exe

description pid process target process

PID 2256 set thread context of 4040 2256 bank account details.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

2116 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

bank account details.exeRegSvcs.exe

pid process

2256 bank account details.exe
2256 bank account details.exe
2256 bank account details.exe
4040 RegSvcs.exe
4040 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

bank account details.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2256 bank account details.exe
Token: SeDebugPrivilege 4040 RegSvcs.exe

description	pid	process	target process
PID 2256 set thread context of 4040	2256	bank account details.exe	RegSvcs.exe

pid	process
2116	schtasks.exe

pid	process
2256	bank account details.exe
2256	bank account details.exe
2256	bank account details.exe
4040	RegSvcs.exe
4040	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2256	bank account details.exe
Token: SeDebugPrivilege	4040	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

bank account details.exe

description	pid	process	target process
PID 2256 wrote to memory of 2116	2256	bank account details.exe	schtasks.exe
PID 2256 wrote to memory of 2116	2256	bank account details.exe	schtasks.exe
PID 2256 wrote to memory of 2116	2256	bank account details.exe	schtasks.exe
PID 2256 wrote to memory of 3748	2256	bank account details.exe	RegSvcs.exe
PID 2256 wrote to memory of 3748	2256	bank account details.exe	RegSvcs.exe
PID 2256 wrote to memory of 3748	2256	bank account details.exe	RegSvcs.exe
PID 2256 wrote to memory of 4040	2256	bank account details.exe	RegSvcs.exe
PID 2256 wrote to memory of 4040	2256	bank account details.exe	RegSvcs.exe
PID 2256 wrote to memory of 4040	2256	bank account details.exe	RegSvcs.exe
PID 2256 wrote to memory of 4040	2256	bank account details.exe	RegSvcs.exe
PID 2256 wrote to memory of 4040	2256	bank account details.exe	RegSvcs.exe
PID 2256 wrote to memory of 4040	2256	bank account details.exe	RegSvcs.exe
PID 2256 wrote to memory of 4040	2256	bank account details.exe	RegSvcs.exe
PID 2256 wrote to memory of 4040	2256	bank account details.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\bank account details.exe
"C:\Users\Admin\AppData\Local\Temp\bank account details.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2256

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ArWDYnLWLZTNbv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB59.tmp"
2⤵
- Creates scheduled task(s)
PID:2116

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:3748

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4040

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAB59.tmp
MD5
c8a410ca267af65ef7ec13ae23514f9f

SHA1
d0f9753741489bba5d54e752c6f796a036c75e74

SHA256
47b5b87e96ef37fd991798da6cbd4e686b392bef1e2fcccf9e3f40a015560250

SHA512
5e8f210ae9a31387bd2ebf6354b57358f0d914301a5c766fba13ecf44753373ef34e8117c0ff70fb4baff4b66360410b87c9d9eec3d214a57b6a8b94d49b1a3e

Download Submit
memory/2116-124-0x0000000000000000-mapping.dmp

Download
memory/2256-123-0x0000000007490000-0x0000000007533000-memory.dmp

Filesize
652KB

Download
memory/2256-117-0x00000000057E0000-0x00000000057E1000-memory.dmp

Filesize
4KB

Download
memory/2256-119-0x0000000005890000-0x0000000005D8E000-memory.dmp

Filesize
5.0MB

Download
memory/2256-120-0x0000000008D40000-0x0000000008D42000-memory.dmp

Filesize
8KB

Download
memory/2256-121-0x0000000008DF0000-0x0000000008DF1000-memory.dmp

Filesize
4KB

Download
memory/2256-122-0x00000000073A0000-0x000000000747F000-memory.dmp

Filesize
892KB

Download
memory/2256-114-0x0000000000E70000-0x0000000000E71000-memory.dmp

Filesize
4KB

Download
memory/2256-118-0x00000000057C0000-0x00000000057C1000-memory.dmp

Filesize
4KB

Download
memory/2256-116-0x0000000005D90000-0x0000000005D91000-memory.dmp

Filesize
4KB

Download
memory/4040-126-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4040-127-0x00000000004618AE-mapping.dmp

Download
memory/4040-132-0x00000000053A0000-0x00000000053A1000-memory.dmp

Filesize
4KB

Download
memory/4040-133-0x0000000005080000-0x0000000005081000-memory.dmp

Filesize
4KB

Download
memory/4040-134-0x0000000005850000-0x0000000005851000-memory.dmp

Filesize
4KB

Download
memory/4040-137-0x0000000005081000-0x0000000005082000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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