agenttesla | b04f43c8581679d5db16a75292b9a4cb259dbd51af6ae8b8deadb85c0c4a90aa

General

Target

Overdue_payment_issue.exe
Size

1016KB
MD5

38f35101820776553e9b942a9b98571c
SHA1

43649461ff83ea6e5471e3088f090d37f7b911bc
SHA256

b04f43c8581679d5db16a75292b9a4cb259dbd51af6ae8b8deadb85c0c4a90aa
SHA512

6c2c1259bb48441fe5a0b88f7b15715736a280930767e422fd5124ab849a31141513340b07e607dcafafe559f5eace0677a27a03d38bb68f578ad943dbbb06e5

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.mdist.us
Port:
587
Username:
[email protected]
Password:
pos#4321

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3964-127-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3964-128-0x000000000043781E-mapping.dmp	family_agenttesla
behavioral2/memory/3964-133-0x0000000004FC0000-0x00000000054BE000-memory.dmp	family_agenttesla
behavioral2/memory/3964-138-0x0000000004FC0000-0x00000000054BE000-memory.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-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ppptOL = "C:\\Users\\Admin\\AppData\\Roaming\\ppptOL\\ppptOL.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Overdue_payment_issue.exe

description pid process target process

PID 776 set thread context of 3964 776 Overdue_payment_issue.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

2136 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Overdue_payment_issue.exeRegSvcs.exe

pid process

776 Overdue_payment_issue.exe
3964 RegSvcs.exe
3964 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Overdue_payment_issue.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 776 Overdue_payment_issue.exe
Token: SeDebugPrivilege 3964 RegSvcs.exe

description	pid	process	target process
PID 776 set thread context of 3964	776	Overdue_payment_issue.exe	RegSvcs.exe

pid	process
2136	schtasks.exe

pid	process
776	Overdue_payment_issue.exe
3964	RegSvcs.exe
3964	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	776	Overdue_payment_issue.exe
Token: SeDebugPrivilege	3964	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Overdue_payment_issue.exe

description	pid	process	target process
PID 776 wrote to memory of 2136	776	Overdue_payment_issue.exe	schtasks.exe
PID 776 wrote to memory of 2136	776	Overdue_payment_issue.exe	schtasks.exe
PID 776 wrote to memory of 2136	776	Overdue_payment_issue.exe	schtasks.exe
PID 776 wrote to memory of 3964	776	Overdue_payment_issue.exe	RegSvcs.exe
PID 776 wrote to memory of 3964	776	Overdue_payment_issue.exe	RegSvcs.exe
PID 776 wrote to memory of 3964	776	Overdue_payment_issue.exe	RegSvcs.exe
PID 776 wrote to memory of 3964	776	Overdue_payment_issue.exe	RegSvcs.exe
PID 776 wrote to memory of 3964	776	Overdue_payment_issue.exe	RegSvcs.exe
PID 776 wrote to memory of 3964	776	Overdue_payment_issue.exe	RegSvcs.exe
PID 776 wrote to memory of 3964	776	Overdue_payment_issue.exe	RegSvcs.exe
PID 776 wrote to memory of 3964	776	Overdue_payment_issue.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Overdue_payment_issue.exe
"C:\Users\Admin\AppData\Local\Temp\Overdue_payment_issue.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:776

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RgqFaQQyRFggzp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE797.tmp"
2⤵
- Creates scheduled task(s)
PID:2136

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:3964

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE797.tmp
MD5
fcf3421d344e20d41b3b7863480cb752

SHA1
330af715537fcc8222da7536d8b99221127094b0

SHA256
ab7a911fa1ad0c3f80d8bcca16d8a29580e9a84a85808fa7d18c1b92fcaebb8a

SHA512
49047c659fe838f65352908aec4b6eff71f0413b66a01b2cdcc532ce401eea1276c8bb162b7030eeaa597fb4c8c1feff919c4c244f6fa612b5d6cabca1351e9b

Download Submit
memory/776-123-0x00000000097B0000-0x000000000986B000-memory.dmp

Filesize
748KB

Download
memory/776-120-0x00000000081A0000-0x00000000081A1000-memory.dmp

Filesize
4KB

Download
memory/776-124-0x00000000094C0000-0x000000000953B000-memory.dmp

Filesize
492KB

Download
memory/776-119-0x0000000004C30000-0x0000000004C31000-memory.dmp

Filesize
4KB

Download
memory/776-114-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/776-121-0x000000007F4D0000-0x000000007F4D1000-memory.dmp

Filesize
4KB

Download
memory/776-122-0x00000000050D0000-0x00000000050D5000-memory.dmp

Filesize
20KB

Download
memory/776-116-0x0000000005100000-0x0000000005101000-memory.dmp

Filesize
4KB

Download
memory/776-118-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

Filesize
4KB

Download
memory/776-117-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

Filesize
4KB

Download
memory/2136-125-0x0000000000000000-mapping.dmp

Download
memory/3964-127-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3964-128-0x000000000043781E-mapping.dmp

Download
memory/3964-133-0x0000000004FC0000-0x00000000054BE000-memory.dmp

Filesize
5.0MB

Download
memory/3964-134-0x00000000050C0000-0x00000000050C1000-memory.dmp

Filesize
4KB

Download
memory/3964-135-0x0000000005CB0000-0x0000000005CB1000-memory.dmp

Filesize
4KB

Download
memory/3964-138-0x0000000004FC0000-0x00000000054BE000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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