agenttesla | 2214bdc78b558176a17484bcc02079a5470e0b49073d50d19b522d67dc4396e3

Analysis

max time kernel
138s
max time network
127s
platform
windows10_x64
resource
win10v20210410
submitted
30-07-2021 15:26

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General

Target

4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe
Size

941KB
MD5

59e2fd2ce7f30f5e5bd8300cd86dab47
SHA1

bbc0545dcfb7e5f2fda1e46f82054b9e4ef2f599
SHA256

4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65
SHA512

ab93fcb95cd0727d19235e50da9bebd7cf83caebe06d74b77d6daa7ede83d82c16bb5756f8c50dbd52b8b8d80a89c346f5d1858eaf5adce6103e0ad10c83a880

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.gilanis.co.ke
Port:
587
Username:
[email protected]
Password:
Mullardodo@#

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
behavioral11/memory/8-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral11/memory/8-127-0x000000000043763E-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

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

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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

description	pid	process	target process
PID 4448 set thread context of 8	4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.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

4044 schtasks.exe

pid	process
4044	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

pid	process
4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe
8	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe
8	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

description	pid	process
Token: SeDebugPrivilege	4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe
Token: SeDebugPrivilege	8	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

pid process

8 4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

pid	process
8	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

description	pid	process	target process
PID 4448 wrote to memory of 4044	4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe	schtasks.exe
PID 4448 wrote to memory of 4044	4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe	schtasks.exe
PID 4448 wrote to memory of 4044	4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe	schtasks.exe
PID 4448 wrote to memory of 8	4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe
PID 4448 wrote to memory of 8	4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe
PID 4448 wrote to memory of 8	4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe
PID 4448 wrote to memory of 8	4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe
PID 4448 wrote to memory of 8	4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe
PID 4448 wrote to memory of 8	4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe
PID 4448 wrote to memory of 8	4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe
PID 4448 wrote to memory of 8	4448	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe	4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe

C:\Users\Admin\AppData\Local\Temp\4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe
"C:\Users\Admin\AppData\Local\Temp\4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4448

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qqUYUQOSj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp151F.tmp"
2⤵
- Creates scheduled task(s)
PID:4044

C:\Users\Admin\AppData\Local\Temp\4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe
"C:\Users\Admin\AppData\Local\Temp\4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:8

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4072fc745ae1b976bfff8fdfdebdac6db5e33bb4f63507b4d56ab67b98c6db65.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp151F.tmp
MD5
a0431904b36f4d37db3b03b5a92428b1

SHA1
a9e157e9cfdd610dd676298b0a56f7267ae4c243

SHA256
5944b85d71fd75b69e030e59646283d0d388abac5d2c632f54210d8942c84f89

SHA512
933107ebcd47846c9860967724408003f83fe138024e864f72fb169c0a1291d531541fd9c00a0f6c3f1a48971f6be7a07bc31ae21445dcc914736723fcf0cca7

Download Submit
memory/8-138-0x00000000012F1000-0x00000000012F2000-memory.dmp

Filesize
4KB

Download
memory/8-135-0x0000000005DF0000-0x0000000005DF1000-memory.dmp

Filesize
4KB

Download
memory/8-134-0x0000000005730000-0x0000000005731000-memory.dmp

Filesize
4KB

Download
memory/8-133-0x00000000012F0000-0x00000000012F1000-memory.dmp

Filesize
4KB

Download
memory/8-127-0x000000000043763E-mapping.dmp

Download
memory/8-126-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4044-124-0x0000000000000000-mapping.dmp

Download
memory/4448-119-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

Filesize
4KB

Download
memory/4448-123-0x0000000008340000-0x000000000837C000-memory.dmp

Filesize
240KB

Download
memory/4448-122-0x00000000082C0000-0x0000000008340000-memory.dmp

Filesize
512KB

Download
memory/4448-121-0x00000000050F0000-0x000000000510B000-memory.dmp

Filesize
108KB

Download
memory/4448-120-0x0000000004C00000-0x0000000004C01000-memory.dmp

Filesize
4KB

Download
memory/4448-114-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/4448-118-0x0000000004D00000-0x0000000004D01000-memory.dmp

Filesize
4KB

Download
memory/4448-117-0x0000000004C20000-0x0000000004C21000-memory.dmp

Filesize
4KB

Download
memory/4448-116-0x0000000005120000-0x0000000005121000-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