6c89cf375c2e58db6784022b5919358d2963bdca324dbb763381973ce18fd86d

Analysis

max time kernel
142s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 15:14

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General

Target

7848b819859b5c4617adb24dc382a8ff.exe
Size

241KB
MD5

7848b819859b5c4617adb24dc382a8ff
SHA1

4fceec799f498d718e2e00121a106242a8a6dce0
SHA256

6c89cf375c2e58db6784022b5919358d2963bdca324dbb763381973ce18fd86d
SHA512

7045c01c3c6e8128f5f4372282661aa3e075f63c09fcf3a64b5211e88b92eddad10e40dd699b4d51bf875ea274c8bfc4b07e0607bbf59ed16cc8b91849102377
SSDEEP

6144:g1dlZro5ylzqG5uTuJW8bqYJ47R64sTv1ab6+OV:g1dlZo5ylzHoiW8eYUQ4s8m+u

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	7848b819859b5c4617adb24dc382a8ff.exe

Executes dropped EXE 2 IoCs

pid	Process
756	sbriz.exe
4336	sbriz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 756 set thread context of 4336	756	sbriz.exe	98

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
2484	4336	WerFault.exe	98

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	756	sbriz.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 756	1040	7848b819859b5c4617adb24dc382a8ff.exe	96
PID 1040 wrote to memory of 756	1040	7848b819859b5c4617adb24dc382a8ff.exe	96
PID 1040 wrote to memory of 756	1040	7848b819859b5c4617adb24dc382a8ff.exe	96
PID 756 wrote to memory of 4336	756	sbriz.exe	98
PID 756 wrote to memory of 4336	756	sbriz.exe	98
PID 756 wrote to memory of 4336	756	sbriz.exe	98
PID 756 wrote to memory of 4336	756	sbriz.exe	98
PID 756 wrote to memory of 4336	756	sbriz.exe	98
PID 756 wrote to memory of 4336	756	sbriz.exe	98
PID 756 wrote to memory of 4336	756	sbriz.exe	98

C:\Users\Admin\AppData\Local\Temp\7848b819859b5c4617adb24dc382a8ff.exe
"C:\Users\Admin\AppData\Local\Temp\7848b819859b5c4617adb24dc382a8ff.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\AppData\Local\Temp\sbriz.exe
  "C:\Users\Admin\AppData\Local\Temp\sbriz.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:756
- - C:\Users\Admin\AppData\Local\Temp\sbriz.exe
    C:\Users\Admin\AppData\Local\Temp\sbriz.exe
    3⤵
    - Executes dropped EXE
    PID:4336
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 12
      4⤵
      Program crash
      PID:2484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4336 -ip 4336
1⤵
PID:1704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
161KB

MD5
52725b422ff92f3e560a0540c5a41575

SHA1
645e160b52f1baf174642f3225cced872d0d06c2

SHA256
d42e8ecf5bc046cb8592dd623326213605020ae24c165ee2465cc348e99c84af

SHA512
d11e0d83a2f718b234ae773009bc5d019cceca384dc561ed0ae0467df8303f166d71228395e730c94f8f28947eb6059c6239132a0ea6439b6f74f65d208f43fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\sfx.ini

Filesize
208B

MD5
e2ac2978d6cb97b95f9705b7590c6137

SHA1
b8e87d5e298711f640d94759332b2420e6b53a0e

SHA256
df986bfe73c0147236ed594303ab3dac9d517fd0708b8a02165f5682ef428bf8

SHA512
a79a6c0ae7b464526e1e7150992562640012784bc934f2d7eac927b435adc9bdfd3b4066eb880a3328eedf6ec1fe7e5cbe155309c1b3e9eb24acedb40515b755

Download Submit
memory/756-28-0x0000000074AE0000-0x0000000075091000-memory.dmp

Filesize
5.7MB

Download
memory/756-29-0x0000000001520000-0x0000000001530000-memory.dmp

Filesize
64KB

Download
memory/756-30-0x0000000074AE0000-0x0000000075091000-memory.dmp

Filesize
5.7MB

Download
memory/756-34-0x0000000074AE0000-0x0000000075091000-memory.dmp

Filesize
5.7MB

Download
memory/4336-31-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download