780572579a5fc52071dea2e10cb64041de0d1e354eba5576acc56ff1d4ad4733

Analysis

max time kernel
43s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19-09-2022 09:21

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General

Target

780572579a5fc52071dea2e10cb64041de0d1e354eba5576acc56ff1d4ad4733.exe
Size

407KB
MD5

b4da5373b0d2e96a3c1097145f12afcc
SHA1

141550c9ecb8938ce7d279f87790d60c0de26d3c
SHA256

780572579a5fc52071dea2e10cb64041de0d1e354eba5576acc56ff1d4ad4733
SHA512

ff423344dd6ebc32c7ac7b26d9ec3beb6f52694ad976a20d4c99795c43cce12a0f4580ecfcaa577bf9e04a884f7349bf919cb3728863e06edb2990103eed6655
SSDEEP

6144:R+uxdYeeKzUWVd6I2WOkjq7Tj8gpoaJzP6OGfhXK0e7aB8XD5XAFKPcVSwQQPLlm:ZxdYeegUUkIhHAQU7aBuOScYwQKpm

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
780	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\Henry.vbs"	reg.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\lkTemps.bat	780572579a5fc52071dea2e10cb64041de0d1e354eba5576acc56ff1d4ad4733.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Henry.vbs	cmd.exe
File opened for modification	C:\Windows\Henry.vbs	cmd.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 12 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 780	900	780572579a5fc52071dea2e10cb64041de0d1e354eba5576acc56ff1d4ad4733.exe	27
PID 900 wrote to memory of 780	900	780572579a5fc52071dea2e10cb64041de0d1e354eba5576acc56ff1d4ad4733.exe	27
PID 900 wrote to memory of 780	900	780572579a5fc52071dea2e10cb64041de0d1e354eba5576acc56ff1d4ad4733.exe	27
PID 900 wrote to memory of 780	900	780572579a5fc52071dea2e10cb64041de0d1e354eba5576acc56ff1d4ad4733.exe	27
PID 780 wrote to memory of 2004	780	cmd.exe	29
PID 780 wrote to memory of 2004	780	cmd.exe	29
PID 780 wrote to memory of 2004	780	cmd.exe	29
PID 780 wrote to memory of 2004	780	cmd.exe	29
PID 780 wrote to memory of 1972	780	cmd.exe	30
PID 780 wrote to memory of 1972	780	cmd.exe	30
PID 780 wrote to memory of 1972	780	cmd.exe	30
PID 780 wrote to memory of 1972	780	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\780572579a5fc52071dea2e10cb64041de0d1e354eba5576acc56ff1d4ad4733.exe
"C:\Users\Admin\AppData\Local\Temp\780572579a5fc52071dea2e10cb64041de0d1e354eba5576acc56ff1d4ad4733.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:900
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Program Files\Common Files\lkTemps.bat""
  2⤵
  - Deletes itself
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:780
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /ve /d "C:\Windows\Henry.vbs" /f
    3⤵
    - Adds Run key to start application
    PID:2004
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Windows\Henry.vbs"
    3⤵
    PID:1972

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:\Program Files\Common Files\lkTemps.bat

Filesize
1KB

MD5
a8dbc6d23a83d8583dee52a3dd8f64b6

SHA1
df753cc5bcc29c6beb302645fee05c27d111bdad

SHA256
08ff302149546db2f58ded22a402054dfa73cfcd25046b621184c1a65c55b909

SHA512
acacbfc9513f3999c721ec8ced0e0ef6b75232825bc835833fcdff7829ae947a394ecd32068d513c8072fec37de4acd636ad7c776cfed7334304f770d87f411a

Download Submit
C:\Windows\Henry.vbs

Filesize
347B

MD5
5b0f430b7376065491e3ac897ead1a3a

SHA1
8a9bbbc74f79676874809f119c4b55484055ffa0

SHA256
940975734c2470b1477fdab5333beeded94b07eb2d9268fb6c2dcecacdb46e46

SHA512
e42a25d043f20430698b0031b27a99a3a8951912562e169123780c26dce1c95a1f6ddb5e44739c0824946839b4e5ca6752892214088e017c9319ce360e21bdc8

Download Submit
\??\c:\CSK.DLL

Filesize
2KB

MD5
5392b0263cc4d21fc653b979ff59b085

SHA1
f51c1af2c97f3fbcd8825d1f6cb6cb5a9b65d0ca

SHA256
313373bd688ab17e99faf200dc71a023c41d656439b60b718d7fad9afe695df9

SHA512
dc45e0063b6b14bc713dea0b9b52ac04c26a5ce346e10efe050d67151a61d7e1e355fadc5bdd4ff2c691d6927ac83f2467a7e99dd01aa676662640941b2825e7

Download Submit
memory/780-58-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

Download