da8700a12e72aab723d9939d71a36df7a40c53a4f11f3d5ce48e4173d8cdf746

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 18:05

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General

Target

G-77904DOC.exe
Size

300KB
MD5

e133504aa7c92bcc8b358abfa4c36a20
SHA1

68a3dc52c35115003d74c224dfc3f9e95bd00c04
SHA256

58a064152959df9f0b10cb78b8cdcda6eae112619a7239ddc0c18547e7e3a598
SHA512

98b75db2b869e910565321e829689366be7f319cf6f3aaaac65d06a36b6985cbdec0e16261bfeb0f93b8a48d5b1c707ef28deb84430ccb738dff0699a3a5fd60
SSDEEP

6144:rGiwlK7jQRnqGFYtTJJr3+WZmHXH0CNK0d2Rr+oGJyRt1sy2:QcQxYtTbr1Z4/XZMwy2

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4944	gavvjlio.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
3508	4944	WerFault.exe	83

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	G-77904DOC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gavvjlio.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 4944	1384	G-77904DOC.exe	83
PID 1384 wrote to memory of 4944	1384	G-77904DOC.exe	83
PID 1384 wrote to memory of 4944	1384	G-77904DOC.exe	83
PID 4944 wrote to memory of 3420	4944	gavvjlio.exe	84
PID 4944 wrote to memory of 3420	4944	gavvjlio.exe	84
PID 4944 wrote to memory of 3420	4944	gavvjlio.exe	84
PID 4944 wrote to memory of 3420	4944	gavvjlio.exe	84

C:\Users\Admin\AppData\Local\Temp\G-77904DOC.exe
"C:\Users\Admin\AppData\Local\Temp\G-77904DOC.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Users\Admin\AppData\Local\Temp\gavvjlio.exe
  C:\Users\Admin\AppData\Local\Temp\gavvjlio.exe C:\Users\Admin\AppData\Local\Temp\rudvuunoky
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4944
- - C:\Users\Admin\AppData\Local\Temp\gavvjlio.exe
    C:\Users\Admin\AppData\Local\Temp\gavvjlio.exe C:\Users\Admin\AppData\Local\Temp\rudvuunoky
    3⤵
    PID:3420
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 592
    3⤵
    - Program crash
    PID:3508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4944 -ip 4944
1⤵
PID:464

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\gavvjlio.exe

Filesize
107KB

MD5
4f1abaead61fe7411fc7c6ee5082d665

SHA1
b4ad83dea14c06e0aa2c2ca582b52a527ec01d77

SHA256
e6b54e61fb080c3f6efb98d3ac8d182ad859fee863cc43478c99d3660bec6bd5

SHA512
e045f7094df1552776c1542edef3066663fcbfcf7dcd9bc871de273ce087c898aee583f603f34532d94e8ee22f86b550c736ab9232f72c2966cd62613dc5baab

Download Submit
C:\Users\Admin\AppData\Local\Temp\iker7dx2hyvtj44

Filesize
213KB

MD5
a9a514cd5d9c755b8319c055b0d6d06e

SHA1
5717539cbc2ab9a7c01443182abfa50bb0520694

SHA256
b53b25f3d0418c286e8d4c78fc4080ecd05f00bd6b39fa16241335bfc05670df

SHA512
82f9978685f9877e20b24dd60bb32b05c3c23b54275c107cb7017a15f5802d1540ef10709ae90de0b0cef83e32c57c66063aa1db8f8ef7a6708a40d352d7ecf5

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

Filesize
4KB

MD5
cd2d9713ae5995ee2bf3af08d8eecc52

SHA1
c08cf6596eb17e3f52295cef79c51b67c86bf407

SHA256
ad332e48b605d4d44a205c3bc93414696b372e08efdb9d423b69452a04db9e67

SHA512
e3a5ce9c56ac429f6ab33c79b57580155173bdb9e2f010d952d32ee95e08db893004b6bf37e4665f112b3b2bb01210e71fb125a9772addbc9a9c985224ed3fb5

Download Submit
memory/4944-8-0x0000000001250000-0x0000000001252000-memory.dmp

Filesize
8KB

Download