2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 22:30

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General

Target

2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe
Size

22.9MB
MD5

53f0da7db0c6456aa8e9e3ea423523a6
SHA1

dbed78a2e3cddc87a6afb9e081c5c540ca7dfefa
SHA256

2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10
SHA512

62c02ec814d5c184d7525e6a748f223b08cf2c7fc33d894a80d01cc6b5ddbecb4546dbe7c511b328705d3f7f2cd1814dbe5d5bc2324fe5839dab50ca50860bbc
SSDEEP

49152:978SIIRjd7TtckwRWCFavtAk3DjUHA2O1qofPQZlkALzqNQ8:97h5dzeavtAkfUg2OgofQzqq8

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

zmxueji.exe

pid process

1244 zmxueji.exe

pid	process
1244	zmxueji.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\zmxueji = "C:\\Program Files\\Iaivy\\Tendl.exe /zmxueji /{73B79B4B-6B46-4627-980C-8876B747553E}"	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe

Drops file in Program Files directory 10 IoCs

Processes:

2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe

description	ioc	process
File opened for modification	C:\Program Files\Iaivy\momnos.exe	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe
File created	C:\Program Files\Common Files\System\Ole DB\MSPat.xml	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe
File created	C:\Program Files\Iaivy\lelevs\pat.xml	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe
File opened for modification	C:\Program Files\Iaivy\lelevs\pat.xml	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe
File opened for modification	C:\Program Files\Iaivy\lelevs\qudese.dll	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe
File created	C:\Program Files\Iaivy\momnos.exe	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe
File created	C:\Program Files\Iaivy\lelevs\qudese.dll	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe
File created	C:\Program Files\Iaivy\nacoef.exe	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe
File opened for modification	C:\Program Files\Iaivy\nacoef.exe	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\MSPat.xml	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.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 SetWindowsHookEx 2 IoCs

Processes:

zmxueji.exe

pid process

1244 zmxueji.exe
1244 zmxueji.exe

pid	process
1244	zmxueji.exe
1244	zmxueji.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe

description	pid	process	target process
PID 4060 wrote to memory of 1244	4060	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe	zmxueji.exe
PID 4060 wrote to memory of 1244	4060	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe	zmxueji.exe
PID 4060 wrote to memory of 1244	4060	2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe	zmxueji.exe

C:\Users\Admin\AppData\Local\Temp\2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe
"C:\Users\Admin\AppData\Local\Temp\2530a6593708eeb77951840e147dba1cf84778d29fb914e793458ffe42d3ec10.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Users\Admin\AppData\Local\Temp\g88EF2\zmxueji.exe
  C:\Users\Admin\AppData\Local\Temp\g88EF2\zmxueji.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1244

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\g88EF2\zmxueji.exe

Filesize
1.1MB

MD5
5ffa95a2aa9a96ea13a6dca7b5efb44d

SHA1
0a4456049316acf30a20ef352b74c686bd81c4d7

SHA256
fe29919f590782d51adc9d0163d59bebca5de536169850fa54ba7cda66e3979a

SHA512
4e336ba9bf15567a5fb124665882817306cc5e3d20639365a72676804f9f6abf3901310603c1bf3870d6a987d22eb8ba38208231db33b2983bddff7363a99a4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\g88EF2\zmxueji.exe

Filesize
1.1MB

MD5
5ffa95a2aa9a96ea13a6dca7b5efb44d

SHA1
0a4456049316acf30a20ef352b74c686bd81c4d7

SHA256
fe29919f590782d51adc9d0163d59bebca5de536169850fa54ba7cda66e3979a

SHA512
4e336ba9bf15567a5fb124665882817306cc5e3d20639365a72676804f9f6abf3901310603c1bf3870d6a987d22eb8ba38208231db33b2983bddff7363a99a4a

Download Submit
memory/1244-132-0x0000000000000000-mapping.dmp

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