662aa5533d68b67b9c4a3df2ede43fc3248689364ad91bb7375a6aad469537ac

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 18:25

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General

Target

Krunkify Loader (1.19).exe
Size

39.1MB
MD5

b9f745b1526b29439fdd38ce6b2bc742
SHA1

bc4d96ab019f20b1f27f9c42b28335881b12667b
SHA256

662aa5533d68b67b9c4a3df2ede43fc3248689364ad91bb7375a6aad469537ac
SHA512

59ecbbc8dd57e0967d23dca59a224a114f9e2774b25b8334123434e5244828b2e24372f18c2274693c2005ef0b07b77b3893492409e41884290b89dbf7574ea8
SSDEEP

786432:drUx++qTptDALygrfynGsEweceyuTZ3gPEFOuvR1q+6fCvp6LM5F8/TYS+pdGDg2:FHADfst7CyuZ3fr6fCvrDgTzs8

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3052	Stub.exe

Loads dropped DLL 2 IoCs

pid	Process
1904	Krunkify Loader (1.19).exe
3052	Stub.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 3052	1904	Krunkify Loader (1.19).exe	31
PID 1904 wrote to memory of 3052	1904	Krunkify Loader (1.19).exe	31
PID 1904 wrote to memory of 3052	1904	Krunkify Loader (1.19).exe	31

C:\Users\Admin\AppData\Local\Temp\Krunkify Loader (1.19).exe
"C:\Users\Admin\AppData\Local\Temp\Krunkify Loader (1.19).exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Users\Admin\AppData\Local\Temp\onefile_1904_133714167319202000\Stub.exe
  "C:\Users\Admin\AppData\Local\Temp\Krunkify Loader (1.19).exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\onefile_1904_133714167319202000\python311.dll

Filesize
5.5MB

MD5
5a5dd7cad8028097842b0afef45bfbcf

SHA1
e247a2e460687c607253949c52ae2801ff35dc4a

SHA256
a811c7516f531f1515d10743ae78004dd627eba0dc2d3bc0d2e033b2722043ce

SHA512
e6268e4fad2ce3ef16b68298a57498e16f0262bf3531539ad013a66f72df471569f94c6fcc48154b7c3049a3ad15cbfcbb6345dacb4f4ed7d528c74d589c9858

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