fb20bb301146e94b896a1e15ac7fee5529e8819fea1da5b17099aa00c05ae18c

Analysis

max time kernel
93s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 08:41

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General

Target

fb20bb301146e94b896a1e15ac7fee5529e8819fea1da5b17099aa00c05ae18c.exe
Size

587KB
MD5

1357684852c5d7fd7c8180c994dfc26f
SHA1

d49ffaefa64b2651448ccc7a7faa19f6b2b5ba08
SHA256

fb20bb301146e94b896a1e15ac7fee5529e8819fea1da5b17099aa00c05ae18c
SHA512

4a02f8f63d6dfab81a6f797dc922a013353859a163e920d78a996f1235001680a887b75bff0503d451ac7fe9365d0e66f20ee82d0d76f7cb6445aecf49362166
SSDEEP

12288:5pzDL1UDL1iWyyF7b1S4d7KV2LQhqJuDSKuzUC6CwdR0k4ooSPcV:5pz/+/oWbFlSUKV20WMTuYC6X0kBcV

Score

7^/10

upx

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-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	cmd.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0008000000023277-9.dat	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Logo1_.exe	fb20bb301146e94b896a1e15ac7fee5529e8819fea1da5b17099aa00c05ae18c.exe
File created	C:\Windows\rundl132.exe	fb20bb301146e94b896a1e15ac7fee5529e8819fea1da5b17099aa00c05ae18c.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2428	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 2428	548	fb20bb301146e94b896a1e15ac7fee5529e8819fea1da5b17099aa00c05ae18c.exe	87
PID 548 wrote to memory of 2428	548	fb20bb301146e94b896a1e15ac7fee5529e8819fea1da5b17099aa00c05ae18c.exe	87
PID 548 wrote to memory of 2428	548	fb20bb301146e94b896a1e15ac7fee5529e8819fea1da5b17099aa00c05ae18c.exe	87

C:\Users\Admin\AppData\Local\Temp\fb20bb301146e94b896a1e15ac7fee5529e8819fea1da5b17099aa00c05ae18c.exe
"C:\Users\Admin\AppData\Local\Temp\fb20bb301146e94b896a1e15ac7fee5529e8819fea1da5b17099aa00c05ae18c.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a346E.bat
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  PID:2428

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\$$a346E.bat

Filesize
722B

MD5
e5a11ab923e38580a477fc76dc23c2e0

SHA1
f81beef4728d2b439d85942bd9a25f057c45ef5c

SHA256
0f19922c13c6f4d29926b5a0c9471840c5f810e40cadfe81abde8983759d0f66

SHA512
5650e8e2ccab54e18e9dcaaaa01737e72f02012e08af692c3758bb0901731743177a2e7bc6f45b3c6bfcd4ad3a87ec91e1d41337248b1620c8187b1e104ec3c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\fb20bb301146e94b896a1e15ac7fee5529e8819fea1da5b17099aa00c05ae18c.exe.exe

Filesize
560KB

MD5
5fc7a56d6c970262d0fcb3949232cd23

SHA1
60495346d95339944d7860ae16904fdc2b04649e

SHA256
6e67e940633376029bf37f14239129a7370c856dbca9fb75b8735198ed2218b4

SHA512
8d962e6a543f7f361d97eecee15ae03d46e7f78c75781067ccff1c90f86d84e4479ecd1749850a91311e88c0252d9cbf047c8cd42f3d7c1a6a1a883548893743

Download Submit
memory/548-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/548-7-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download