Behavioral Report

General

Target

YKRAB010B_KHE_Preminary Packing List.xlsx.exe
Size

1MB
MD5

9a06197daf40639c61cc898e8db91340
SHA1

ffe7c6850523c7d4c7336dee86e65662d8a228db
SHA256

7a44d661f4c1ac837b0045dc28562b098cb66b5e371bda8a79ef00000fa66a65
SHA512

c90c7d9d0809e266a57110681078aaec2e224a01c567d7c6c115300b046ff1ea15d3b9f37d58aaf003e24a33714caa63b765275947515d7a45228eb208b4e277

Score

10^/10

agenttesla agilenet keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.hyshippingcn.com
Port:
587
Username:
plogs112@hyshippingcn.com
Password:
e*u@qkS4

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/2712-18-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral2/memory/2712-22-0x0000000000340000-0x000000000037C000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

2712 InstallUtil.exe
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
agilenet

Processes:

resource yara_rule

behavioral2/memory/1036-11-0x0000000005F80000-0x0000000005FA1000-memory.dmp agile_net
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
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

18 api.ipify.org
19 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

YKRAB010B_KHE_Preminary Packing List.xlsx.exe

description pid process target process

PID 1036 set thread context of 2712 1036 YKRAB010B_KHE_Preminary Packing List.xlsx.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

YKRAB010B_KHE_Preminary Packing List.xlsx.exeInstallUtil.exe

pid process

1036 YKRAB010B_KHE_Preminary Packing List.xlsx.exe
1036 YKRAB010B_KHE_Preminary Packing List.xlsx.exe
2712 InstallUtil.exe
2712 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

YKRAB010B_KHE_Preminary Packing List.xlsx.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1036 YKRAB010B_KHE_Preminary Packing List.xlsx.exe
Token: SeDebugPrivilege 2712 InstallUtil.exe

pid	process
2712	InstallUtil.exe

resource	yara_rule
behavioral2/memory/1036-11-0x0000000005F80000-0x0000000005FA1000-memory.dmp	agile_net

flow	ioc
18	api.ipify.org
19	api.ipify.org

description	pid	process	target process
PID 1036 set thread context of 2712	1036	YKRAB010B_KHE_Preminary Packing List.xlsx.exe	InstallUtil.exe

pid	process
1036	YKRAB010B_KHE_Preminary Packing List.xlsx.exe
1036	YKRAB010B_KHE_Preminary Packing List.xlsx.exe
2712	InstallUtil.exe
2712	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1036	YKRAB010B_KHE_Preminary Packing List.xlsx.exe
Token: SeDebugPrivilege	2712	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

YKRAB010B_KHE_Preminary Packing List.xlsx.exe

description	pid	process	target process
PID 1036 wrote to memory of 2712	1036	YKRAB010B_KHE_Preminary Packing List.xlsx.exe	InstallUtil.exe
PID 1036 wrote to memory of 2712	1036	YKRAB010B_KHE_Preminary Packing List.xlsx.exe	InstallUtil.exe
PID 1036 wrote to memory of 2712	1036	YKRAB010B_KHE_Preminary Packing List.xlsx.exe	InstallUtil.exe
PID 1036 wrote to memory of 2712	1036	YKRAB010B_KHE_Preminary Packing List.xlsx.exe	InstallUtil.exe
PID 1036 wrote to memory of 2712	1036	YKRAB010B_KHE_Preminary Packing List.xlsx.exe	InstallUtil.exe
PID 1036 wrote to memory of 2712	1036	YKRAB010B_KHE_Preminary Packing List.xlsx.exe	InstallUtil.exe
PID 1036 wrote to memory of 2712	1036	YKRAB010B_KHE_Preminary Packing List.xlsx.exe	InstallUtil.exe
PID 1036 wrote to memory of 2712	1036	YKRAB010B_KHE_Preminary Packing List.xlsx.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\YKRAB010B_KHE_Preminary Packing List.xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\YKRAB010B_KHE_Preminary Packing List.xlsx.exe"
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1036

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2712

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

00:00 00:00

Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/1036-8-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

Filesize
4KB

Download
memory/1036-15-0x00000000080E0000-0x00000000080EB000-memory.dmp

Filesize
44KB

Download
memory/1036-7-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

Filesize
4KB

Download
memory/1036-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6MB

Download
memory/1036-9-0x0000000004960000-0x0000000004961000-memory.dmp

Filesize
4KB

Download
memory/1036-11-0x0000000005F80000-0x0000000005FA1000-memory.dmp

Filesize
132KB

Download
memory/1036-12-0x00000000081E0000-0x00000000081E1000-memory.dmp

Filesize
4KB

Download
memory/1036-13-0x00000000081A0000-0x00000000081A1000-memory.dmp

Filesize
4KB

Download
memory/1036-14-0x0000000004961000-0x0000000004962000-memory.dmp

Filesize
4KB

Download
memory/1036-6-0x00000000049B0000-0x00000000049B1000-memory.dmp

Filesize
4KB

Download
memory/1036-16-0x0000000006550000-0x0000000006551000-memory.dmp

Filesize
4KB

Download
memory/1036-3-0x0000000000040000-0x0000000000041000-memory.dmp

Filesize
4KB

Download
memory/1036-5-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

Filesize
4KB

Download
memory/2712-18-0x000000000043763E-mapping.dmp

Download
memory/2712-21-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6MB

Download
memory/2712-22-0x0000000000340000-0x000000000037C000-memory.dmp

Filesize
240KB

Download
memory/2712-26-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/2712-27-0x0000000004C60000-0x0000000004C61000-memory.dmp

Filesize
4KB

Download
memory/2712-30-0x0000000005830000-0x0000000005831000-memory.dmp

Filesize
4KB

Download
memory/2712-31-0x0000000004C51000-0x0000000004C52000-memory.dmp

Filesize
4KB

Download

Analysis

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