agenttesla | 6f88a4bdf6ca9a0b63e8dca6b56c2431acaccb7b58a6ddf5166028756c172d5a

General

Target

PO#6275473 pdf.exe
Size

880KB
MD5

02d84808b070f7232a96a2dfbdf77be9
SHA1

35f15873b331fbd261c3ff3a39388616d99a1782
SHA256

6f88a4bdf6ca9a0b63e8dca6b56c2431acaccb7b58a6ddf5166028756c172d5a
SHA512

761945b6c916f5914204208a9df32c08620e588c568015c594e3b9aca61851df78f56769c56609685855e760254edd9f1e15bf4f0b346cb472ff2e8319b5f771

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.esquiresweaters.com
Port:
587
Username:
[email protected]
Password:
Esquire@#2078

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
behavioral1/memory/1888-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1888-66-0x000000000043752E-mapping.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#6275473 pdf.exe

description pid process target process

PID 1948 set thread context of 1888 1948 PO#6275473 pdf.exe PO#6275473 pdf.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

996 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO#6275473 pdf.exePO#6275473 pdf.exe

pid process

1948 PO#6275473 pdf.exe
1888 PO#6275473 pdf.exe
1888 PO#6275473 pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO#6275473 pdf.exePO#6275473 pdf.exe

description pid process

Token: SeDebugPrivilege 1948 PO#6275473 pdf.exe
Token: SeDebugPrivilege 1888 PO#6275473 pdf.exe

description	pid	process	target process
PID 1948 set thread context of 1888	1948	PO#6275473 pdf.exe	PO#6275473 pdf.exe

pid	process
996	schtasks.exe

pid	process
1948	PO#6275473 pdf.exe
1888	PO#6275473 pdf.exe
1888	PO#6275473 pdf.exe

description	pid	process
Token: SeDebugPrivilege	1948	PO#6275473 pdf.exe
Token: SeDebugPrivilege	1888	PO#6275473 pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

PO#6275473 pdf.exePO#6275473 pdf.exe

description	pid	process	target process
PID 1948 wrote to memory of 996	1948	PO#6275473 pdf.exe	schtasks.exe
PID 1948 wrote to memory of 996	1948	PO#6275473 pdf.exe	schtasks.exe
PID 1948 wrote to memory of 996	1948	PO#6275473 pdf.exe	schtasks.exe
PID 1948 wrote to memory of 996	1948	PO#6275473 pdf.exe	schtasks.exe
PID 1948 wrote to memory of 1888	1948	PO#6275473 pdf.exe	PO#6275473 pdf.exe
PID 1948 wrote to memory of 1888	1948	PO#6275473 pdf.exe	PO#6275473 pdf.exe
PID 1948 wrote to memory of 1888	1948	PO#6275473 pdf.exe	PO#6275473 pdf.exe
PID 1948 wrote to memory of 1888	1948	PO#6275473 pdf.exe	PO#6275473 pdf.exe
PID 1948 wrote to memory of 1888	1948	PO#6275473 pdf.exe	PO#6275473 pdf.exe
PID 1948 wrote to memory of 1888	1948	PO#6275473 pdf.exe	PO#6275473 pdf.exe
PID 1948 wrote to memory of 1888	1948	PO#6275473 pdf.exe	PO#6275473 pdf.exe
PID 1948 wrote to memory of 1888	1948	PO#6275473 pdf.exe	PO#6275473 pdf.exe
PID 1948 wrote to memory of 1888	1948	PO#6275473 pdf.exe	PO#6275473 pdf.exe
PID 1888 wrote to memory of 1640	1888	PO#6275473 pdf.exe	dw20.exe
PID 1888 wrote to memory of 1640	1888	PO#6275473 pdf.exe	dw20.exe
PID 1888 wrote to memory of 1640	1888	PO#6275473 pdf.exe	dw20.exe
PID 1888 wrote to memory of 1640	1888	PO#6275473 pdf.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\PO#6275473 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO#6275473 pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VjWRclFPprX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp25C9.tmp"
2⤵
- Creates scheduled task(s)
PID:996

C:\Users\Admin\AppData\Local\Temp\PO#6275473 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO#6275473 pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 520
3⤵
PID:1640

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

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\tmp25C9.tmp
MD5
fad273acf6173847a4c15c7cbcf99d2b

SHA1
43e722df41d1d8ed0ebd93aa4c54ef9fae0894a4

SHA256
33f7245a9597cd27e9c8314bc17653e17de63f6aad2af973766084ca1aca446f

SHA512
66ebc016fcd4652f2583c0b1347c5a604b6535dbd16eaff6cd24cd46b938fa3d27bd3cbff849ea5fdb649192af25aab7335b1c9099766f5f17a9a5271d36d712

Download Submit
memory/996-63-0x0000000000000000-mapping.dmp

Download
memory/1640-69-0x0000000000000000-mapping.dmp

Download
memory/1640-71-0x0000000001E70000-0x0000000001E71000-memory.dmp

Filesize
4KB

Download
memory/1888-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1888-66-0x000000000043752E-mapping.dmp

Download
memory/1888-68-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/1948-60-0x0000000075511000-0x0000000075513000-memory.dmp

Filesize
8KB

Download
memory/1948-61-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/1948-62-0x0000000000171000-0x0000000000172000-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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