14a68f6897a1184534129982147aff9405130d87f4fc5afab461530984a6fd50

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 02:15

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General

Target

b06461681b197b594ce94e448a5d37b0N.exe
Size

216KB
MD5

b06461681b197b594ce94e448a5d37b0
SHA1

460445341939cb2cdd385fb4cfdfd6a1b29c570b
SHA256

14a68f6897a1184534129982147aff9405130d87f4fc5afab461530984a6fd50
SHA512

154d4c7287d5a7fb71373f2e9d8396dafca47ef7b296112c74b26221babd17e1c9a5881bade4077c6da45904734d418d27b03effd4bcca031b7af7910155b2c1
SSDEEP

3072:HgMRUseV3VZ9CL21CaHsOHVeQeH9bdPi2bElE8LOOOOyIk3Zmokfp:AMahnfy21DMOILH95PLQROOOOyRmoS

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
2340	yofzeuh.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\yofzeuh.exe	b06461681b197b594ce94e448a5d37b0N.exe
File created	C:\PROGRA~3\Mozilla\mkkxkvk.dll	yofzeuh.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	b06461681b197b594ce94e448a5d37b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yofzeuh.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2356	b06461681b197b594ce94e448a5d37b0N.exe
2340	yofzeuh.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2340	2528	taskeng.exe	31
PID 2528 wrote to memory of 2340	2528	taskeng.exe	31
PID 2528 wrote to memory of 2340	2528	taskeng.exe	31
PID 2528 wrote to memory of 2340	2528	taskeng.exe	31

C:\Users\Admin\AppData\Local\Temp\b06461681b197b594ce94e448a5d37b0N.exe
"C:\Users\Admin\AppData\Local\Temp\b06461681b197b594ce94e448a5d37b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2356

C:\Windows\system32\taskeng.exe
taskeng.exe {8E1E1840-FB5A-445B-BE3B-4DA4F8B671F1} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- C:\PROGRA~3\Mozilla\yofzeuh.exe
  C:\PROGRA~3\Mozilla\yofzeuh.exe -qmgjyzc
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2340

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\yofzeuh.exe

Filesize
216KB

MD5
12cec44bc284e21d20ad5ee1a79de3b8

SHA1
f26b0e0831aa392d05640cc75a80ddaac7371b83

SHA256
a590d67ae8472e5ad03c77ef4a1a05d88abc69b4013e0c46516885c6b0952c92

SHA512
f1cf40ca6c4e3674b531563be91315d6aa56a1b567fc6477fcb6ca81c2509acf00a76706b980521e2098d32d0662a26be069b3269c355963fada3e788de7961d

Download Submit
memory/2340-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2340-8-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2340-10-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2356-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2356-0-0x0000000001C80000-0x0000000001CDB000-memory.dmp

Filesize
364KB

Download
memory/2356-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2356-4-0x0000000001C80000-0x0000000001CDB000-memory.dmp

Filesize
364KB

Download