eacd5ed86a8ddd368a1089c7b97b791258e3eeb89c76c6da829b58d469f654b2

Analysis

max time kernel
584s
max time network
577s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-02-2024 16:42

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General

Target

MrsMajor 3.0.7z
Size

234KB
MD5

fedb45ddbd72fc70a81c789763038d81
SHA1

f1ed20c626d0a7ca2808ed768e7d7b319bc4c84a
SHA256

eacd5ed86a8ddd368a1089c7b97b791258e3eeb89c76c6da829b58d469f654b2
SHA512

813c0367f3aeceea9be02ffad4bfa8092ea44b428e68db8f3f33e45e4e5e53599d985fa79a708679b6957cbd04d9b9d67b288137fa71ac5a59e917b8792c8298
SSDEEP

6144:HMMAgnxjSgdHCueEVIzAMAcqXvYEC86TFSQ:HagxjSg1xrIzAMAcuI5TFT

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

Processes:

cmd.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

cmd.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000_Classes\Local Settings cmd.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

7zFM.exesvchost.exe

description pid process

Token: SeRestorePrivilege 2716 7zFM.exe
Token: 35 2716 7zFM.exe
Token: SeManageVolumePrivilege 4196 svchost.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

7zFM.exe

pid process

2716 7zFM.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

cmd.exe

description pid process target process

PID 3672 wrote to memory of 2716 3672 cmd.exe 7zFM.exe
PID 3672 wrote to memory of 2716 3672 cmd.exe 7zFM.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	cmd.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000_Classes\Local Settings	cmd.exe

description	pid	process
Token: SeRestorePrivilege	2716	7zFM.exe
Token: 35	2716	7zFM.exe
Token: SeManageVolumePrivilege	4196	svchost.exe

pid	process
2716	7zFM.exe

description	pid	process	target process
PID 3672 wrote to memory of 2716	3672	cmd.exe	7zFM.exe
PID 3672 wrote to memory of 2716	3672	cmd.exe	7zFM.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\MrsMajor 3.0.7z"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3672

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\MrsMajor 3.0.7z"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2716

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:1732

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4196

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm
Filesize
16KB

MD5
e865fc1b75a0e6a3c9f97746cd95bacd

SHA1
f7c31d382fba3056d9a36777d563b7fd08050ae3

SHA256
15da004bec6c91612db9bec2cc91bc157087470a480482bbd6f5947e53b8535f

SHA512
76b6b4e913b81c71185132a21a59e2fa051ccd6e6716b9afc4971acd292c53d73d6003cc411bdc0c7e89f244dfe93e30726f033daac12adb6ae8752c53c030fd

Download Submit
memory/4196-40-0x0000024CB7290000-0x0000024CB7291000-memory.dmp

Filesize
4KB

Download
memory/4196-33-0x0000024CB7290000-0x0000024CB7291000-memory.dmp

Filesize
4KB

Download
memory/4196-42-0x0000024CB7290000-0x0000024CB7291000-memory.dmp

Filesize
4KB

Download
memory/4196-34-0x0000024CB7290000-0x0000024CB7291000-memory.dmp

Filesize
4KB

Download
memory/4196-35-0x0000024CB7290000-0x0000024CB7291000-memory.dmp

Filesize
4KB

Download
memory/4196-36-0x0000024CB7290000-0x0000024CB7291000-memory.dmp

Filesize
4KB

Download
memory/4196-37-0x0000024CB7290000-0x0000024CB7291000-memory.dmp

Filesize
4KB

Download
memory/4196-38-0x0000024CB7290000-0x0000024CB7291000-memory.dmp

Filesize
4KB

Download
memory/4196-43-0x0000024CB6EB0000-0x0000024CB6EB1000-memory.dmp

Filesize
4KB

Download
memory/4196-0-0x0000024CAEB70000-0x0000024CAEB80000-memory.dmp

Filesize
64KB

Download
memory/4196-68-0x0000024CB7100000-0x0000024CB7101000-memory.dmp

Filesize
4KB

Download
memory/4196-32-0x0000024CB7260000-0x0000024CB7261000-memory.dmp

Filesize
4KB

Download
memory/4196-39-0x0000024CB7290000-0x0000024CB7291000-memory.dmp

Filesize
4KB

Download
memory/4196-44-0x0000024CB6EA0000-0x0000024CB6EA1000-memory.dmp

Filesize
4KB

Download
memory/4196-46-0x0000024CB6EB0000-0x0000024CB6EB1000-memory.dmp

Filesize
4KB

Download
memory/4196-49-0x0000024CB6EA0000-0x0000024CB6EA1000-memory.dmp

Filesize
4KB

Download
memory/4196-52-0x0000024CB6DE0000-0x0000024CB6DE1000-memory.dmp

Filesize
4KB

Download
memory/4196-16-0x0000024CAEC70000-0x0000024CAEC80000-memory.dmp

Filesize
64KB

Download
memory/4196-64-0x0000024CB6FE0000-0x0000024CB6FE1000-memory.dmp

Filesize
4KB

Download
memory/4196-66-0x0000024CB6FF0000-0x0000024CB6FF1000-memory.dmp

Filesize
4KB

Download
memory/4196-67-0x0000024CB6FF0000-0x0000024CB6FF1000-memory.dmp

Filesize
4KB

Download
memory/4196-41-0x0000024CB7290000-0x0000024CB7291000-memory.dmp

Filesize
4KB

Download