507641e3047216809af93a127af70a266e273cd95c1cfaa06605a753b9166388

Resubmissions

07-11-2024 21:24

241107-z8z12ayfnb 8

07-11-2024 21:23

241107-z8jdaa1pdl 6

07-11-2024 21:21

241107-z7ptnsyjdx 7

Analysis

max time kernel
1151s
max time network
1146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 21:21

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General

Target

Delta V3.61.zip
Size

22.2MB
MD5

2692ff99a5f94520b6caa33bbd0cf05e
SHA1

0bf675fad129bc61f7c2763177a4314288cce4cd
SHA256

507641e3047216809af93a127af70a266e273cd95c1cfaa06605a753b9166388
SHA512

65d9665d29684325ca27a33ec187be8ccb142f98f662f888b944750ffcfcea43c496403331ab00e5e408dc5b1c3d39d7fc2defdecb1133a41dcc5d00c7c0392c
SSDEEP

393216:p1DbvOskyq5reDYwFpIgDDLB3IwuZcnO7BjOOPhQEFu9QZay7qPF4zjop3Lr:zDbvOPADJpIelBnO7B6OPhjFu9eaDPFj

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4044	Delta.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
556	4044	WerFault.exe	97

System Location Discovery: System Language Discovery 1 TTPs 1 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	Delta.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5112	7zFM.exe
5112	7zFM.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5112	7zFM.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	5112	7zFM.exe
Token: 35	5112	7zFM.exe
Token: SeSecurityPrivilege	5112	7zFM.exe
Token: SeSecurityPrivilege	5112	7zFM.exe
Token: SeSecurityPrivilege	5112	7zFM.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
5112	7zFM.exe
5112	7zFM.exe
5112	7zFM.exe
5112	7zFM.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 4044	5112	7zFM.exe	97
PID 5112 wrote to memory of 4044	5112	7zFM.exe	97
PID 5112 wrote to memory of 4044	5112	7zFM.exe	97

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Delta V3.61.zip"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Users\Admin\AppData\Local\Temp\7zO8F36C3E7\Delta.exe
  "C:\Users\Admin\AppData\Local\Temp\7zO8F36C3E7\Delta.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 1328
    3⤵
    - Program crash
    PID:556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4044 -ip 4044
1⤵
PID:4720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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:\Users\Admin\AppData\Local\Temp\7zO8F36C3E7\Delta.exe

Filesize
17.0MB

MD5
774ffee84d8e760761b8819edd2bc252

SHA1
74ff2bcc3baf64790181b97dc09ab951d9440379

SHA256
3c2cbcfb0dc0b92e1a0f15e725a1f8c4756a990e298098d94087cdd3fd491758

SHA512
935624fdaa9ae57d4515a456a9383c20240988848046fcab69948450413e573167c0f17a456f0f5120ec13e3215759ad11c4857873900606116c3e495dd69650

Download Submit
memory/4044-12-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/4044-13-0x00000000009A0000-0x0000000001AA6000-memory.dmp

Filesize
17.0MB

Download
memory/4044-14-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4044-15-0x00000000064C0000-0x00000000064C8000-memory.dmp

Filesize
32KB

Download
memory/4044-16-0x0000000006820000-0x0000000006858000-memory.dmp

Filesize
224KB

Download
memory/4044-17-0x00000000064D0000-0x00000000064DE000-memory.dmp

Filesize
56KB

Download
memory/4044-18-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download