ff3ba1d8de5361dda0d4398fb797cc9e4def93c38485a80a0ac5ed98bb9fdc2a

Analysis

max time kernel
142s
max time network
142s
platform
windows10_x64
resource
win10v20210410
submitted
10-05-2021 07:05

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General

Target

68398465-INVOICE-PO-IMG.js
Size

697KB
MD5

0216db9911053cc419ad92f7f35062a4
SHA1

5f8efa0c0b9f0205a581da9d6247143ab643e515
SHA256

ff3ba1d8de5361dda0d4398fb797cc9e4def93c38485a80a0ac5ed98bb9fdc2a
SHA512

aa52161bc7f379ce1f5d66436ae85d06c191fc7272dfa5d3c2412f82aab8a9a83edc6987cb2fabf60379a93d5fd27d56323a8a3589a0ca46942d3df778dd6401

Score

4^/10

Malware Config

Signatures

Drops file in Program Files directory 12 IoCs

Processes:

javaw.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\ntdll.pdb	javaw.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 2 IoCs

Processes:

wscript.exe

description pid process target process

PID 3872 wrote to memory of 636 3872 wscript.exe javaw.exe
PID 3872 wrote to memory of 636 3872 wscript.exe javaw.exe

description	pid	process	target process
PID 3872 wrote to memory of 636	3872	wscript.exe	javaw.exe
PID 3872 wrote to memory of 636	3872	wscript.exe	javaw.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\68398465-INVOICE-PO-IMG.js
1⤵
- Suspicious use of WriteProcessMemory
PID:3872

C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\fqxtfeudwg.txt"
2⤵
- Drops file in Program Files directory
PID:636

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\fqxtfeudwg.txt
MD5
1790be5a1c36a97ffe2748cd5aacfec8

SHA1
dca15819696e41c693b7ba0be5924ac07e621e71

SHA256
b9884e0aa737d1ad75d5fc130a9a38dbda6cf7fe225cbb80ee22b8bccd67e255

SHA512
e62e7db2e3dd30207b6b5cefa7896340645f82988d7317209ecd1b96143d2e9b487a9054d77ae25eebf29e75c23851cb7f9eae452dd93d092bb70429280c0c99

Download Submit
memory/636-114-0x0000000000000000-mapping.dmp

Download
memory/636-116-0x0000000002E60000-0x00000000030D0000-memory.dmp

Filesize
2.4MB

Download
memory/636-117-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

Filesize
4KB

Download