a8982034b8745ca1dc3b8816b16961bf4e996c911c6411bca8530d8aea7e0610

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 17:07

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General

Target

Reverb.dll
Size

72KB
MD5

cd85e0df208a3a9ef6816fa780fc37a4
SHA1

242059b49f8a589f3d28df3a495d22bc018849cb
SHA256

004dc2bd075fad0a11e7a9a739dfb6e269230a27277e2231ad36baffbd944edd
SHA512

8a5dfd93067e1c0a9cf2ec964c73cad744d618dad53b2ee0c0b828d9c102dfae800fa08ef0c901a7a22422f18a84adfd48e289c778713108ea99d6dca6999177
SSDEEP

768:SNVX34iCIGDJ+bmGYPfca5VqksJ1Qlo3QMxe47bVB59BNvt1t9gWD:YH4iu1zIjB1Qe3QseyhBjTt97

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2488	2300	WerFault.exe	30

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	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2300	2172	rundll32.exe	30
PID 2172 wrote to memory of 2300	2172	rundll32.exe	30
PID 2172 wrote to memory of 2300	2172	rundll32.exe	30
PID 2172 wrote to memory of 2300	2172	rundll32.exe	30
PID 2172 wrote to memory of 2300	2172	rundll32.exe	30
PID 2172 wrote to memory of 2300	2172	rundll32.exe	30
PID 2172 wrote to memory of 2300	2172	rundll32.exe	30
PID 2300 wrote to memory of 2488	2300	rundll32.exe	31
PID 2300 wrote to memory of 2488	2300	rundll32.exe	31
PID 2300 wrote to memory of 2488	2300	rundll32.exe	31
PID 2300 wrote to memory of 2488	2300	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Reverb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Reverb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 224
    3⤵
    - Program crash
    PID:2488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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