ebb7e25c6b96a21019f7c9cf885cbafc5223bb632dc5f8d10db1811830c6859d

Analysis

max time kernel
95s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:34

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General

Target

b7cf8d9d8db4c5eaf796d35251bfc2b24f34c2c77d2ca82a1ebf470323c0894f.exe
Size

292KB
MD5

be6ece1b6510c986870d8ceabb87988b
SHA1

63795ce8b9c7fd5ec3374e3e012b3898a8695f53
SHA256

b7cf8d9d8db4c5eaf796d35251bfc2b24f34c2c77d2ca82a1ebf470323c0894f
SHA512

c7296be4cf5c14ada776312ceeedd29b52b6e4e228e6f1453e5485571099f6c517e90c6f33b88835b51130056bca6d2401d1bd6aed7e0b9d590d3b7b2c60a334
SSDEEP

6144:oweQYmMhY6ydhGhzXu2UDOyDSWwDrW12P4v2B/Bd66R6DWV:6QYNILOzWwDrWsg2JBxR6DWV

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4492	cznfe.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2392	4492	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7cf8d9d8db4c5eaf796d35251bfc2b24f34c2c77d2ca82a1ebf470323c0894f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cznfe.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 4492	212	b7cf8d9d8db4c5eaf796d35251bfc2b24f34c2c77d2ca82a1ebf470323c0894f.exe	82
PID 212 wrote to memory of 4492	212	b7cf8d9d8db4c5eaf796d35251bfc2b24f34c2c77d2ca82a1ebf470323c0894f.exe	82
PID 212 wrote to memory of 4492	212	b7cf8d9d8db4c5eaf796d35251bfc2b24f34c2c77d2ca82a1ebf470323c0894f.exe	82
PID 4492 wrote to memory of 1684	4492	cznfe.exe	83
PID 4492 wrote to memory of 1684	4492	cznfe.exe	83
PID 4492 wrote to memory of 1684	4492	cznfe.exe	83
PID 4492 wrote to memory of 1684	4492	cznfe.exe	83

C:\Users\Admin\AppData\Local\Temp\b7cf8d9d8db4c5eaf796d35251bfc2b24f34c2c77d2ca82a1ebf470323c0894f.exe
"C:\Users\Admin\AppData\Local\Temp\b7cf8d9d8db4c5eaf796d35251bfc2b24f34c2c77d2ca82a1ebf470323c0894f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:212
- C:\Users\Admin\AppData\Local\Temp\cznfe.exe
  C:\Users\Admin\AppData\Local\Temp\cznfe.exe C:\Users\Admin\AppData\Local\Temp\tostc
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4492
- - C:\Users\Admin\AppData\Local\Temp\cznfe.exe
    C:\Users\Admin\AppData\Local\Temp\cznfe.exe C:\Users\Admin\AppData\Local\Temp\tostc
    3⤵
    PID:1684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 520
    3⤵
    - Program crash
    PID:2392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4492 -ip 4492
1⤵
PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3tmmjx84hcpzeac8q

Filesize
210KB

MD5
c991010927a0003b352fe645f53122da

SHA1
282c97fcd98de42ffad1879d51f62e711fb2d0d2

SHA256
05201a873aaed950ff031f861daf6fcd1bc23345458fa9152b9486731ddbfca9

SHA512
c0f6c9e121f81c95164326f36c2f5e587b5b1d30801400bafcb39f98fa0274ccdf0a0d3f888053f0929a7998850384fb0910924a82c83ce949893c5743cf7008

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

Filesize
120KB

MD5
3464aade4cb916d733fdd606c3d70165

SHA1
0c47d2c2d6a12cb78275f0d9b3190b1aad04805b

SHA256
a1b617196797fb690647c6f4f0329be8087bdaf222bdbe8bcd762ebb619e5ad2

SHA512
a4c01810521414aa8ca7757fae35f8710f37d109360d240483063dd22db3e94e32cf9819022e4e1d7b3ee7845fa635bd9417645beb99b400bf3f8e93cafbfbeb

Download Submit
C:\Users\Admin\AppData\Local\Temp\tostc

Filesize
4KB

MD5
9a6b34eb6752b9ece6f47081f02565c4

SHA1
b7a73450048bbcde6953886f3d7b177e2434ea0d

SHA256
274d7ddab57e4caf3fca959b4b5c8a2842fe68196593f0aa7453855cf9e20242

SHA512
edc1baf7792d8e88a61d397173fb84e5e3f36cf738020a6e8557462c6def570c541e371cd289ff4f0704d08697aa01476aad8bcfc8e7e11c5fa0b1d8602efe2a

Download Submit
memory/4492-8-0x0000000000B30000-0x0000000000B32000-memory.dmp

Filesize
8KB

Download