21454237efa060cab70c633924d872d1a9e439ba5160058cdf8bafdd3409ce42

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 03:13

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General

Target

21454237efa060cab70c633924d872d1a9e439ba5160058cdf8bafdd3409ce42N.exe
Size

157KB
MD5

509d48ac1ff3ba3b15ab4fbf9c68c050
SHA1

e056faf079f55a760a24fee0b7a980dcb8b6a2af
SHA256

21454237efa060cab70c633924d872d1a9e439ba5160058cdf8bafdd3409ce42
SHA512

3ecc8b41353423ed3b49b8eb97997c43753594eb69248bba0e8ad8b9cc20aad3aaa203b22b4f00bea51078c055bc6242ceecbd554f1da7a59fb03e5de7c4961c
SSDEEP

3072:LVMfMIbI5w3J9kDhKyIb0/dhGABK+BC3K5eqU+BC3K5eqYroGK:mfMmLqDh+0fGDK70K7b

Score

8^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
2784	ndribzb.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\ndribzb.exe	21454237efa060cab70c633924d872d1a9e439ba5160058cdf8bafdd3409ce42N.exe
File created	C:\PROGRA~3\Mozilla\fyggpme.dll	ndribzb.exe

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	21454237efa060cab70c633924d872d1a9e439ba5160058cdf8bafdd3409ce42N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ndribzb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2784	2476	taskeng.exe	30
PID 2476 wrote to memory of 2784	2476	taskeng.exe	30
PID 2476 wrote to memory of 2784	2476	taskeng.exe	30
PID 2476 wrote to memory of 2784	2476	taskeng.exe	30

C:\Users\Admin\AppData\Local\Temp\21454237efa060cab70c633924d872d1a9e439ba5160058cdf8bafdd3409ce42N.exe
"C:\Users\Admin\AppData\Local\Temp\21454237efa060cab70c633924d872d1a9e439ba5160058cdf8bafdd3409ce42N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2428

C:\Windows\system32\taskeng.exe
taskeng.exe {A91C71ED-DE53-4CA8-B25B-E1AEA8D52A75} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2476
- C:\PROGRA~3\Mozilla\ndribzb.exe
  C:\PROGRA~3\Mozilla\ndribzb.exe -eciltya
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\ndribzb.exe

Filesize
157KB

MD5
0de77187f02e6825830fc07a8f710389

SHA1
133bffe2a9112c86a667716a7e265cf1cf9ec73b

SHA256
63127a18b9d362c4812aec045cacee34a2fab29b4593fef598f992dd84298116

SHA512
9458864c8d445fbe2798bc5dcddbe41570c5aa1ad0b552f48e42f70d0435a82d02f885f69439768e9a55fee7694e837cec2f94b227d65f15c4f1e71106f76633

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