788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576

Analysis

max time kernel
119s
max time network
113s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 11:33

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General

Target

788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.exe
Size

210KB
MD5

65d901d1afeb570d98d4d613bf94e3e0
SHA1

945a141d2b375639857ca6a03d504b541e8c9282
SHA256

788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576
SHA512

df902e3f4ed0a8e28aa730b9011547dc417d3c0f93c1d039cf43d4760c168ddf1ca4559d62a29bca261c6516dff51e123fa25de6a60c5041618925b77d3240d3
SSDEEP

1536:VNSXbc74YTOnlNSUL09atT0mBBA7aKSvIYFwAfdvoKQO5j:VEo75OnPSI09qgmBBAGKSvwovoK9F

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1340	jusched.exe

Loads dropped DLL 2 IoCs

pid	Process
1424	788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.exe
1424	788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.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\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\2521e987\jusched.exe	788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.exe
File created	C:\Program Files (x86)\2521e987\2521e987	788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.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 1424 wrote to memory of 1340	1424	788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.exe	26
PID 1424 wrote to memory of 1340	1424	788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.exe	26
PID 1424 wrote to memory of 1340	1424	788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.exe	26
PID 1424 wrote to memory of 1340	1424	788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.exe	26

C:\Users\Admin\AppData\Local\Temp\788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.exe
"C:\Users\Admin\AppData\Local\Temp\788c09eec70d9e0e6288ca1e857ee94d242c1e1b207844865b236a0aa3187576.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Program Files (x86)\2521e987\jusched.exe
  "C:\Program Files (x86)\2521e987\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:1340

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 (x86)\2521e987\2521e987

Filesize
17B

MD5
3330ebaaa7e9f4630f4ad4c156be59d8

SHA1
40375cf8e68671e0100e725de5cd5c6657b9f722

SHA256
2c8451d5dca9e68ec3af7f318c5d874fbdfea9e89e7b5f9922b4dbd65f027e15

SHA512
b7631f9685bac9f81aa6bf53afd839910773e108989bbb79ba39cafabbe6b6994ed2fde44911c9f7f24b45c9745d6e80cd9f01975bfb765561df4881f7dad696

Download Submit
C:\Program Files (x86)\2521e987\jusched.exe

Filesize
210KB

MD5
0e60b477f02a0ec675a86fa80f6bab5f

SHA1
a4e6c0431124bde95852bfcf8a3a456267756e20

SHA256
651ded2c9f191382a0f7e99130c4c4ae69864eabcbfc9b221431eb6ca8a095b9

SHA512
546aec3d7e66eb2da6edf1f0249da729ac5d545b52ade4d381ce7529f7524fac1cb9985678dc92c3e7f4d06f17668a3433533a4a39f887f112727aed174dcc6e

Download Submit
\Program Files (x86)\2521e987\jusched.exe

Filesize
210KB

MD5
0e60b477f02a0ec675a86fa80f6bab5f

SHA1
a4e6c0431124bde95852bfcf8a3a456267756e20

SHA256
651ded2c9f191382a0f7e99130c4c4ae69864eabcbfc9b221431eb6ca8a095b9

SHA512
546aec3d7e66eb2da6edf1f0249da729ac5d545b52ade4d381ce7529f7524fac1cb9985678dc92c3e7f4d06f17668a3433533a4a39f887f112727aed174dcc6e

Download Submit
\Program Files (x86)\2521e987\jusched.exe

Filesize
210KB

MD5
0e60b477f02a0ec675a86fa80f6bab5f

SHA1
a4e6c0431124bde95852bfcf8a3a456267756e20

SHA256
651ded2c9f191382a0f7e99130c4c4ae69864eabcbfc9b221431eb6ca8a095b9

SHA512
546aec3d7e66eb2da6edf1f0249da729ac5d545b52ade4d381ce7529f7524fac1cb9985678dc92c3e7f4d06f17668a3433533a4a39f887f112727aed174dcc6e

Download Submit
memory/1340-61-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1424-54-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1424-55-0x0000000076151000-0x0000000076153000-memory.dmp

Filesize
8KB

Download
memory/1424-60-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download