f54f5b5c178ef49b59b3c69be05f50cacc9c826f2cc98580071b8e45d3ef070b

Analysis

max time kernel
149s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07/11/2022, 03:54

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General

Target

f54f5b5c178ef49b59b3c69be05f50cacc9c826f2cc98580071b8e45d3ef070b.exe
Size

932KB
MD5

08cfd6ae4e92a2cab089272d1c0ccea0
SHA1

3e4dba62e21a8de8088844f452393a554d63e2cf
SHA256

f54f5b5c178ef49b59b3c69be05f50cacc9c826f2cc98580071b8e45d3ef070b
SHA512

3577cf23750858a2dfb8aad284404219a042b100848189b2bd9a7575febfa2cb38e7cc7be07711225fab4bc3d5effeaf077563a794b0e5e7e09b77032befca3a
SSDEEP

12288:P1/aGLDCMNpNAkoSzZWD8ayX2MQCw7D0FoWxJpcEi0/3IWV//7cSdfis8X0jno+8:P1/aGLDCM4D8ayGMZo8/Dw0MqoNf

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1956	cufcl.exe

Loads dropped DLL 2 IoCs

pid	Process
584	f54f5b5c178ef49b59b3c69be05f50cacc9c826f2cc98580071b8e45d3ef070b.exe
584	f54f5b5c178ef49b59b3c69be05f50cacc9c826f2cc98580071b8e45d3ef070b.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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\ProgramData\\cufcl.exe"	cufcl.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 4 IoCs

description	pid	Process	procid_target
PID 584 wrote to memory of 1956	584	f54f5b5c178ef49b59b3c69be05f50cacc9c826f2cc98580071b8e45d3ef070b.exe	28
PID 584 wrote to memory of 1956	584	f54f5b5c178ef49b59b3c69be05f50cacc9c826f2cc98580071b8e45d3ef070b.exe	28
PID 584 wrote to memory of 1956	584	f54f5b5c178ef49b59b3c69be05f50cacc9c826f2cc98580071b8e45d3ef070b.exe	28
PID 584 wrote to memory of 1956	584	f54f5b5c178ef49b59b3c69be05f50cacc9c826f2cc98580071b8e45d3ef070b.exe	28

C:\Users\Admin\AppData\Local\Temp\f54f5b5c178ef49b59b3c69be05f50cacc9c826f2cc98580071b8e45d3ef070b.exe
"C:\Users\Admin\AppData\Local\Temp\f54f5b5c178ef49b59b3c69be05f50cacc9c826f2cc98580071b8e45d3ef070b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:584
- C:\ProgramData\cufcl.exe
  "C:\ProgramData\cufcl.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:1956

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
70d6cb7dd01ebd5a21af02945d2ae12f

SHA1
05260b3e17a221e66b58d1e5ed1d0f518392159a

SHA256
136fb79a4b868976a011043345fbef2cb088dd799757ec3970480eb99d9f2e92

SHA512
b2c4c5b6bc5519ebb8e701c37eb298f6bdbb89b09bbf93a4f5c7a0e5b809b7bb3a6355087797e5064c1cc67a1555cbdab782fcba2f8a9d0f18d4f53337a34ea9

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

Filesize
477KB

MD5
70d6cb7dd01ebd5a21af02945d2ae12f

SHA1
05260b3e17a221e66b58d1e5ed1d0f518392159a

SHA256
136fb79a4b868976a011043345fbef2cb088dd799757ec3970480eb99d9f2e92

SHA512
b2c4c5b6bc5519ebb8e701c37eb298f6bdbb89b09bbf93a4f5c7a0e5b809b7bb3a6355087797e5064c1cc67a1555cbdab782fcba2f8a9d0f18d4f53337a34ea9

Download Submit
C:\ProgramData\cufcl.exe

Filesize
454KB

MD5
4e968a54b6f4850bf113c2adc7bdd464

SHA1
6e9ca980c2d043d9f79565c6ced03c2f7cf91aea

SHA256
ea4b9bdd373d00292fac5975edcd6bb2771fb844dedf9fc385e23691f79d14af

SHA512
39c8e772f9ec2bae0867e6e6423e4af9212423657f85db66189d4a32f7fbc0af343ce5968860413e82e5957b2c1a4c3f97c49493e45bce4899ec96792c576668

Download Submit
C:\ProgramData\cufcl.exe

Filesize
454KB

MD5
4e968a54b6f4850bf113c2adc7bdd464

SHA1
6e9ca980c2d043d9f79565c6ced03c2f7cf91aea

SHA256
ea4b9bdd373d00292fac5975edcd6bb2771fb844dedf9fc385e23691f79d14af

SHA512
39c8e772f9ec2bae0867e6e6423e4af9212423657f85db66189d4a32f7fbc0af343ce5968860413e82e5957b2c1a4c3f97c49493e45bce4899ec96792c576668

Download Submit
\ProgramData\cufcl.exe

Filesize
454KB

MD5
4e968a54b6f4850bf113c2adc7bdd464

SHA1
6e9ca980c2d043d9f79565c6ced03c2f7cf91aea

SHA256
ea4b9bdd373d00292fac5975edcd6bb2771fb844dedf9fc385e23691f79d14af

SHA512
39c8e772f9ec2bae0867e6e6423e4af9212423657f85db66189d4a32f7fbc0af343ce5968860413e82e5957b2c1a4c3f97c49493e45bce4899ec96792c576668

Download Submit
\ProgramData\cufcl.exe

Filesize
454KB

MD5
4e968a54b6f4850bf113c2adc7bdd464

SHA1
6e9ca980c2d043d9f79565c6ced03c2f7cf91aea

SHA256
ea4b9bdd373d00292fac5975edcd6bb2771fb844dedf9fc385e23691f79d14af

SHA512
39c8e772f9ec2bae0867e6e6423e4af9212423657f85db66189d4a32f7fbc0af343ce5968860413e82e5957b2c1a4c3f97c49493e45bce4899ec96792c576668

Download Submit
memory/584-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

Filesize
8KB

Download