meduza | 0bc6bab2870e143444b50d5b7e3fed642d23c1ba9101422bc4dcff8bcbe589e3

General

Target

f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe
Size

1.1MB
MD5

d61ac037c333f1bc288c1a96a4db7c21
SHA1

777228616a18b98103594276775188b5e138fa11
SHA256

f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896
SHA512

1aae796964099e22c3ebf8632ded9a451f01161ca6d837cd447524c58088ab05e0cfff6d297495e97b3b1a370b98b563937334f0306095b8c625641430288999
SSDEEP

24576:R06mH2AfjusEQ3MWTwGxXjbAnpiYQ7eVGKtFwVrJL/tXjuD/:RLmH2AfisEQ5XInpI74arx/tXj+/

Score

10^/10

meduza 1 discovery stealer

Malware Config

Extracted

Family

meduza

Botnet

1

C2

66.63.187.173

Attributes

anti_dbg
true
anti_vm
true
build_name
1
extensions
.txt; .doc; .xlsx
grabber_maximum_size
4194304
port
15666
self_destruct
false

Signatures

Meduza
Meduza is a crypto wallet and info stealer written in C++.
stealer meduza

Meduza Stealer payload 4 IoCs

resource	yara_rule
behavioral2/memory/312-5-0x0000000000400000-0x0000000000526000-memory.dmp	family_meduza
behavioral2/memory/312-4-0x0000000000400000-0x0000000000526000-memory.dmp	family_meduza
behavioral2/memory/312-6-0x0000000000400000-0x0000000000526000-memory.dmp	family_meduza
behavioral2/memory/312-8-0x0000000000400000-0x0000000000526000-memory.dmp	family_meduza

Meduza family
meduza

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Control Panel\International\Geo\Nation	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 184 set thread context of 312	184	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe	91

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3720	184	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 1 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	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	312	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe
Token: SeImpersonatePrivilege	312	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 184 wrote to memory of 312	184	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe	91
PID 184 wrote to memory of 312	184	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe	91
PID 184 wrote to memory of 312	184	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe	91
PID 184 wrote to memory of 312	184	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe	91
PID 184 wrote to memory of 312	184	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe	91
PID 184 wrote to memory of 312	184	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe	91
PID 184 wrote to memory of 312	184	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe	91
PID 184 wrote to memory of 312	184	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe	91
PID 184 wrote to memory of 312	184	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe	91
PID 184 wrote to memory of 312	184	f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe	91

C:\Users\Admin\AppData\Local\Temp\f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe
"C:\Users\Admin\AppData\Local\Temp\f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:184
- C:\Users\Admin\AppData\Local\Temp\f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe
  "C:\Users\Admin\AppData\Local\Temp\f5946e9f0ab4dbbd8d8171e708607c98df283cb1a6145444ba6a5f86bb2b0896.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  PID:312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 184 -s 140
  2⤵
  - Program crash
  PID:3720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 184 -ip 184
1⤵
PID:2400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/184-0-0x000000007510E000-0x000000007510F000-memory.dmp

Filesize
4KB

Download
memory/184-1-0x0000000000130000-0x000000000025E000-memory.dmp

Filesize
1.2MB

Download
memory/184-2-0x0000000005140000-0x00000000056E4000-memory.dmp

Filesize
5.6MB

Download
memory/184-7-0x0000000075100000-0x00000000758B0000-memory.dmp

Filesize
7.7MB

Download
memory/312-5-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/312-4-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/312-6-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/312-8-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download

Analysis

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