18dca52ce50cdf148ca233fb83cd2c3e3c7b39a9ac254c96ac374ae63eb8f44c

Analysis

max time kernel
136s
max time network
124s
platform
windows7_x64
resource
win7v200722
submitted
21/09/2020, 10:29

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General

Target
Versandrechnung.exe
Size 703KB
Sample200921-1reqmbbn5e
SHA256 18dca52ce50cdf148ca233fb83cd2c3e3c7b39a9ac254c96ac374ae63eb8f44c
MD5 40b14cd99109b91284625b00a4a8445e
SHA1 c5d15cbc8954e0d69f19aceb6b2a62231bb65636
SHA512 6eafa9647c6fcfe9a28708b14f42f01f94e717fe656a46c924527363a6b5287d8876d8e393930557ec19d4b581df4dd38de5a056ec96f36bfb34512dbe327f69
MD5 SHA1 SHA512

Score

7^/10

spyware

Malware Config

Signatures

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 3 IoCs

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

flow	ioc
11	freegeoip.app
5	checkip.dyndns.org
10	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 868 set thread context of 556	868	Versandrechnung.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
556	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
556	RegAsm.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
868	Versandrechnung.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	556	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
556	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 556	868	Versandrechnung.exe	28
PID 868 wrote to memory of 556	868	Versandrechnung.exe	28
PID 868 wrote to memory of 556	868	Versandrechnung.exe	28
PID 868 wrote to memory of 556	868	Versandrechnung.exe	28
PID 868 wrote to memory of 556	868	Versandrechnung.exe	28
PID 868 wrote to memory of 556	868	Versandrechnung.exe	28
PID 868 wrote to memory of 556	868	Versandrechnung.exe	28
PID 868 wrote to memory of 556	868	Versandrechnung.exe	28

C:\Users\Admin\AppData\Local\Temp\Versandrechnung.exe
"C:\Users\Admin\AppData\Local\Temp\Versandrechnung.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:868
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:556

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/556-5-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/556-7-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/556-8-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/556-9-0x00000000739E0000-0x00000000740CE000-memory.dmp

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memory/868-0-0x0000000074650000-0x0000000074D3E000-memory.dmp

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memory/868-1-0x0000000000880000-0x0000000000881000-memory.dmp

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memory/868-3-0x0000000004E20000-0x0000000004E93000-memory.dmp

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