agenttesla | 5a052664d784432a0f9a707401e4095bef5d7703c32f9314dd5c9bdd5b273a1d

General

Target

New Order #21076.exe
Size

926KB
MD5

7de57138380dd92fbee7229d46adee4a
SHA1

bb63c25fc5730c0766f6f0de491725bc034a8a1f
SHA256

5a052664d784432a0f9a707401e4095bef5d7703c32f9314dd5c9bdd5b273a1d
SHA512

709d5e1ece9924d54560c332c2e4ae62778fd3dabafaee53b5b7e4e90f83a271e434b071f3fdccc6b0de3183a556835f049341df0b3e7a61769000809333f85c

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.tthyssenkrupp.com
Port:
587
Username:
[email protected]
Password:
pgrOSoL7

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/4048-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4048-16-0x00000000004375FE-mapping.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

New Order #21076.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	New Order #21076.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	New Order #21076.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

New Order #21076.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	New Order #21076.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0	New Order #21076.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

New Order #21076.exe

description pid process target process

PID 4704 set thread context of 4048 4704 New Order #21076.exe New Order #21076.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

516 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

New Order #21076.exeNew Order #21076.exe

pid process

4704 New Order #21076.exe
4048 New Order #21076.exe
4048 New Order #21076.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New Order #21076.exeNew Order #21076.exe

description pid process

Token: SeDebugPrivilege 4704 New Order #21076.exe
Token: SeDebugPrivilege 4048 New Order #21076.exe

description	pid	process	target process
PID 4704 set thread context of 4048	4704	New Order #21076.exe	New Order #21076.exe

pid	process
516	schtasks.exe

pid	process
4704	New Order #21076.exe
4048	New Order #21076.exe
4048	New Order #21076.exe

description	pid	process
Token: SeDebugPrivilege	4704	New Order #21076.exe
Token: SeDebugPrivilege	4048	New Order #21076.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

New Order #21076.exe

description	pid	process	target process
PID 4704 wrote to memory of 516	4704	New Order #21076.exe	schtasks.exe
PID 4704 wrote to memory of 516	4704	New Order #21076.exe	schtasks.exe
PID 4704 wrote to memory of 516	4704	New Order #21076.exe	schtasks.exe
PID 4704 wrote to memory of 4048	4704	New Order #21076.exe	New Order #21076.exe
PID 4704 wrote to memory of 4048	4704	New Order #21076.exe	New Order #21076.exe
PID 4704 wrote to memory of 4048	4704	New Order #21076.exe	New Order #21076.exe
PID 4704 wrote to memory of 4048	4704	New Order #21076.exe	New Order #21076.exe
PID 4704 wrote to memory of 4048	4704	New Order #21076.exe	New Order #21076.exe
PID 4704 wrote to memory of 4048	4704	New Order #21076.exe	New Order #21076.exe
PID 4704 wrote to memory of 4048	4704	New Order #21076.exe	New Order #21076.exe
PID 4704 wrote to memory of 4048	4704	New Order #21076.exe	New Order #21076.exe

C:\Users\Admin\AppData\Local\Temp\New Order #21076.exe
"C:\Users\Admin\AppData\Local\Temp\New Order #21076.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4704

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mVidlWHLZus" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB83.tmp"
2⤵
- Creates scheduled task(s)
PID:516

C:\Users\Admin\AppData\Local\Temp\New Order #21076.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4048

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

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\New Order #21076.exe.log
MD5
12557ab909651a6f99d3503d614d3562

SHA1
b86745768059a514bea3a438e1e96086af463246

SHA256
9589c869703e95d40d5870c60f66d8460f7914e9fe8dd579533c84148112babd

SHA512
10cdb2fa7cf054af937b4aeddfe16fe755d6b09db5a51f7052adbf472b4b435e16c141f3712762f3b67f990c3efcfa47659576988e321214c747d6cd98e75521

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCB83.tmp
MD5
300042d6b0b93b8c89d35bca38ac6a35

SHA1
6fcf6740cef9dc88657f0e042677efefd0679cef

SHA256
78f13034a770b9f2ff47530b0bda0c8f8a11adef22cce704271eb4844287386b

SHA512
63b3393ee5889fba2835a8385d63db2497356bd6e8bbc9dfd7bd155974f39b561d52fd5b10f32d1c7c2cc6416ea1a8ab7c3f3420c2823b0627a2809d8800986a

Download Submit
memory/516-13-0x0000000000000000-mapping.dmp

Download
memory/4048-28-0x0000000005261000-0x0000000005262000-memory.dmp

Filesize
4KB

Download
memory/4048-24-0x0000000005E40000-0x0000000005E41000-memory.dmp

Filesize
4KB

Download
memory/4048-23-0x0000000005260000-0x0000000005261000-memory.dmp

Filesize
4KB

Download
memory/4048-18-0x0000000073CE0000-0x00000000743CE000-memory.dmp

Filesize
6.9MB

Download
memory/4048-16-0x00000000004375FE-mapping.dmp

Download
memory/4048-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4704-7-0x0000000004B10000-0x0000000004B11000-memory.dmp

Filesize
4KB

Download
memory/4704-12-0x0000000005B70000-0x0000000005B71000-memory.dmp

Filesize
4KB

Download
memory/4704-11-0x0000000005960000-0x00000000059EC000-memory.dmp

Filesize
560KB

Download
memory/4704-10-0x0000000004E40000-0x0000000004E41000-memory.dmp

Filesize
4KB

Download
memory/4704-9-0x0000000004D80000-0x0000000004D8E000-memory.dmp

Filesize
56KB

Download
memory/4704-8-0x0000000004C00000-0x0000000004C01000-memory.dmp

Filesize
4KB

Download
memory/4704-2-0x0000000073CE0000-0x00000000743CE000-memory.dmp

Filesize
6.9MB

Download
memory/4704-6-0x0000000004B50000-0x0000000004B51000-memory.dmp

Filesize
4KB

Download
memory/4704-5-0x0000000005120000-0x0000000005121000-memory.dmp

Filesize
4KB

Download
memory/4704-3-0x0000000000240000-0x0000000000241000-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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Downloads