afb9edbf499a4726d798cda9f0f372b4b1019033b68d5eb87a8a83ecb7463d6f

General

Target

66d58b1858bcb_crypted.exe
Size

516KB
MD5

d8ecb462d3046a0ee172551c5d505c8e
SHA1

54f9e16b497579964e9afc90c3c0c208f16b4418
SHA256

afb9edbf499a4726d798cda9f0f372b4b1019033b68d5eb87a8a83ecb7463d6f
SHA512

9eed44c24a71b44e90efc853b75d2103faa3f8518e1efad45c8c4733ee0396c51e8ea11ba6e7d2ac4f30234e6380c3325227cced8d1753373581eb45073c012e
SSDEEP

12288:HiI9LiGtFBsoR1UJdFpzz0b+fzV4ULweVBBP0bK4WHL/Ff5qTkfozd:HieFBXRqJDpzE+LVfXVkbK4WlAvd

Score

9^/10

credential_access discovery spyware stealer

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4996 set thread context of 5076	4996	66d58b1858bcb_crypted.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	66d58b1858bcb_crypted.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
5076	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	5076	RegAsm.exe
Token: SeBackupPrivilege	5076	RegAsm.exe
Token: SeSecurityPrivilege	5076	RegAsm.exe
Token: SeSecurityPrivilege	5076	RegAsm.exe
Token: SeSecurityPrivilege	5076	RegAsm.exe
Token: SeSecurityPrivilege	5076	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 5076	4996	66d58b1858bcb_crypted.exe	83
PID 4996 wrote to memory of 5076	4996	66d58b1858bcb_crypted.exe	83
PID 4996 wrote to memory of 5076	4996	66d58b1858bcb_crypted.exe	83
PID 4996 wrote to memory of 5076	4996	66d58b1858bcb_crypted.exe	83
PID 4996 wrote to memory of 5076	4996	66d58b1858bcb_crypted.exe	83
PID 4996 wrote to memory of 5076	4996	66d58b1858bcb_crypted.exe	83
PID 4996 wrote to memory of 5076	4996	66d58b1858bcb_crypted.exe	83
PID 4996 wrote to memory of 5076	4996	66d58b1858bcb_crypted.exe	83

C:\Users\Admin\AppData\Local\Temp\66d58b1858bcb_crypted.exe
"C:\Users\Admin\AppData\Local\Temp\66d58b1858bcb_crypted.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4996
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5076

Network

DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

nexusrules.officeapps.live.com

Remote address:

8.8.8.8:53

Request

nexusrules.officeapps.live.com

IN A

Response

nexusrules.officeapps.live.com

IN CNAME

prod.nexusrules.live.com.akadns.net

prod.nexusrules.live.com.akadns.net

IN A

52.111.227.13
DNS

73.144.22.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

73.144.22.2.in-addr.arpa

IN PTR

Response

73.144.22.2.in-addr.arpa

IN PTR

a2-22-144-73deploystaticakamaitechnologiescom

95.216.107.53:12311

RegAsm.exe

2.8MB
40.7kB
2189
684

8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

142 B
231 B
2
2

DNS Request

8.8.8.8.in-addr.arpa

DNS Request

nexusrules.officeapps.live.com

DNS Response

52.111.227.13
8.8.8.8:53

73.144.22.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

73.144.22.2.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4996-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/4996-1-0x0000000000C50000-0x0000000000CD8000-memory.dmp

Filesize
544KB

Download
memory/4996-23-0x00000000745D0000-0x0000000074D81000-memory.dmp

Filesize
7.7MB

Download
memory/4996-5-0x00000000745D0000-0x0000000074D81000-memory.dmp

Filesize
7.7MB

Download
memory/5076-12-0x0000000008190000-0x000000000829A000-memory.dmp

Filesize
1.0MB

Download
memory/5076-15-0x00000000082A0000-0x00000000082EC000-memory.dmp

Filesize
304KB

Download
memory/5076-8-0x00000000053C0000-0x0000000005452000-memory.dmp

Filesize
584KB

Download
memory/5076-9-0x0000000074340000-0x0000000074AF1000-memory.dmp

Filesize
7.7MB

Download
memory/5076-10-0x0000000005390000-0x000000000539A000-memory.dmp

Filesize
40KB

Download
memory/5076-11-0x0000000008650000-0x0000000008C68000-memory.dmp

Filesize
6.1MB

Download
memory/5076-6-0x0000000074340000-0x0000000074AF1000-memory.dmp

Filesize
7.7MB

Download
memory/5076-13-0x00000000080E0000-0x00000000080F2000-memory.dmp

Filesize
72KB

Download
memory/5076-14-0x0000000008140000-0x000000000817C000-memory.dmp

Filesize
240KB

Download
memory/5076-7-0x0000000005970000-0x0000000005F16000-memory.dmp

Filesize
5.6MB

Download
memory/5076-18-0x0000000008540000-0x00000000085A6000-memory.dmp

Filesize
408KB

Download
memory/5076-19-0x0000000009340000-0x00000000093B6000-memory.dmp

Filesize
472KB

Download
memory/5076-20-0x00000000092F0000-0x000000000930E000-memory.dmp

Filesize
120KB

Download
memory/5076-22-0x000000000A450000-0x000000000A97C000-memory.dmp

Filesize
5.2MB

Download
memory/5076-21-0x0000000009D50000-0x0000000009F12000-memory.dmp

Filesize
1.8MB

Download
memory/5076-3-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/5076-24-0x0000000074340000-0x0000000074AF1000-memory.dmp

Filesize
7.7MB

Download
memory/5076-25-0x0000000074340000-0x0000000074AF1000-memory.dmp

Filesize
7.7MB

Download
memory/5076-27-0x0000000074340000-0x0000000074AF1000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Request

DNS Response

DNS Request

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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