1fc0b64aa5ad4ffdfdd207d5d59dfe238ab1573b793d6da0dca9df7918fdad9e

Analysis

max time kernel
131s
max time network
45s
platform
windows10_x64
resource
win10v200430
submitted
06/07/2020, 14:44

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General

Target
Payment Invoice.exe
Size 630KB
Sample200706-2b3d8wj3bj
SHA256 1fc0b64aa5ad4ffdfdd207d5d59dfe238ab1573b793d6da0dca9df7918fdad9e
MD5 0c4e6ebcece5432054684398a8396f56
SHA1 fe5111687b54156865a988e37a332fd78c758b5f
SHA512 5cecef06f112be97014e41f465ef66ffc8c504cb4cf769eb342452ffae90e011eb4f6272dede4ce69662ede5a54c7fcc0981901b12d0b4d1413a2bc944d151fd
MD5 SHA1 SHA512

Score

8^/10

spyware

Malware Config

Signatures

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 3788	1732	Payment Invoice.exe	68
PID 1732 wrote to memory of 3788	1732	Payment Invoice.exe	68
PID 1732 wrote to memory of 3788	1732	Payment Invoice.exe	68

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1732	Payment Invoice.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3788	Payment Invoice.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
behavioral2/memory/3788-0-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3788-2-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3788-3-0x0000000000400000-0x0000000000450000-memory.dmp	upx

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 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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1732	Payment Invoice.exe
1732	Payment Invoice.exe
3788	Payment Invoice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1732 set thread context of 3788	1732	Payment Invoice.exe	68

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 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org

C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
PID:1732
- C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  PID:3788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3788-0-0x0000000000400000-0x0000000000450000-memory.dmp

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memory/3788-2-0x0000000000400000-0x0000000000450000-memory.dmp

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memory/3788-3-0x0000000000400000-0x0000000000450000-memory.dmp

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memory/3788-4-0x00000000005F0000-0x0000000000612000-memory.dmp

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memory/3788-5-0x00000000022B2000-0x00000000022B3000-memory.dmp

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