fd2886469c8938354a557cad55e0477b02a6587c0c037b1493b4e94d49fdcb99

Analysis

max time kernel
150s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2022 15:18

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General

Target

fd2886469c8938354a557cad55e0477b02a6587c0c037b1493b4e94d49fdcb99.exe
Size

932KB
MD5

6a514fac1a7dc25b05a4a2d0a1a3a7e0
SHA1

d1439158b7758ff1dbaa6db29c12dde2efbfe57d
SHA256

fd2886469c8938354a557cad55e0477b02a6587c0c037b1493b4e94d49fdcb99
SHA512

e9cda9ad06a6dc816a819efb59263a4c941e344eda56c12c385eaf9eaec6fc488df060bbbccfb831f0acf0580f419fb2c7b08ff2420ea18d78cae5810399101a
SSDEEP

24576:71/aGLDCM4D8ayGMZo8/T+2e/FmadvgRqsfUf7n7:0D8ayGMZoA+fFmadVz7

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1676	pivru.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\ProgramData\\pivru.exe"	pivru.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 1676	644	fd2886469c8938354a557cad55e0477b02a6587c0c037b1493b4e94d49fdcb99.exe	84
PID 644 wrote to memory of 1676	644	fd2886469c8938354a557cad55e0477b02a6587c0c037b1493b4e94d49fdcb99.exe	84
PID 644 wrote to memory of 1676	644	fd2886469c8938354a557cad55e0477b02a6587c0c037b1493b4e94d49fdcb99.exe	84

C:\Users\Admin\AppData\Local\Temp\fd2886469c8938354a557cad55e0477b02a6587c0c037b1493b4e94d49fdcb99.exe
"C:\Users\Admin\AppData\Local\Temp\fd2886469c8938354a557cad55e0477b02a6587c0c037b1493b4e94d49fdcb99.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\ProgramData\pivru.exe
  "C:\ProgramData\pivru.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:1676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Saaaalamm\Mira.h

Filesize
477KB

MD5
71e38cb8371fa644436922e0eee6040d

SHA1
6e9e897cb95fd8434891e87a584f5f1b9482cae2

SHA256
2c97f31658ca63791439d384a5c4488bdca89adac6c363c2cc97e5763af30db4

SHA512
852954de6ce9732c6533d475ebd22f308c5659690d5197dd5865cde0ef740b40f380035baf8d9e6e38dc0541b5f16ffb01ea1560cbb89528ec4b2214c7fcc3be

Download Submit
C:\ProgramData\Saaaalamm\Mira.h

Filesize
477KB

MD5
71e38cb8371fa644436922e0eee6040d

SHA1
6e9e897cb95fd8434891e87a584f5f1b9482cae2

SHA256
2c97f31658ca63791439d384a5c4488bdca89adac6c363c2cc97e5763af30db4

SHA512
852954de6ce9732c6533d475ebd22f308c5659690d5197dd5865cde0ef740b40f380035baf8d9e6e38dc0541b5f16ffb01ea1560cbb89528ec4b2214c7fcc3be

Download Submit
C:\ProgramData\pivru.exe

Filesize
454KB

MD5
fbc752d0d282adda47f9aa50cad79964

SHA1
89242236e6e99c08db7eb740e23478a2bcef9c38

SHA256
484a0e64cacc77adff21dc92cb4334398446dd926ccb22eedf01788472210554

SHA512
a47fc67c0e8e999c5f6e5f4f736ce1cee97faa0867b1072f3314e6766148003eba80ee94aa4b6e854d02b64a6cd208f6204d307b928edbbd59f085b96d2eabb3

Download Submit
C:\ProgramData\pivru.exe

Filesize
454KB

MD5
fbc752d0d282adda47f9aa50cad79964

SHA1
89242236e6e99c08db7eb740e23478a2bcef9c38

SHA256
484a0e64cacc77adff21dc92cb4334398446dd926ccb22eedf01788472210554

SHA512
a47fc67c0e8e999c5f6e5f4f736ce1cee97faa0867b1072f3314e6766148003eba80ee94aa4b6e854d02b64a6cd208f6204d307b928edbbd59f085b96d2eabb3

Download Submit
memory/644-136-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download