37b32ff3c8c29630c4aaf4bb5f77fdcb399e2843929fc2cd42ce88837a34dbba

Analysis

max time kernel
119s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02/09/2024, 21:30

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General

Target

4f798867596f9cd37b8e8dc73bcc57d0N.exe
Size

33KB
MD5

4f798867596f9cd37b8e8dc73bcc57d0
SHA1

8d23eafcbe19587ea54f13b90e45996ce51c8fb0
SHA256

37b32ff3c8c29630c4aaf4bb5f77fdcb399e2843929fc2cd42ce88837a34dbba
SHA512

6a8c58d590f7fb9418c29fd3745ef91ff73cc69dab06d3b5d33ba868f6ac2874edd42195766b0cc7322f178b1ffe72be69e43bf341db2be63b3cecfd60cdbf74
SSDEEP

384:A4/UCC8VcAaYRiUiiV7fhqc45u8gNrLRn4KE7p3oaNJawcudoD7US5EJN:AUUC151Npquv3Rn4KE7pRnbcuyD7UYE

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2672	WAMain.exe

Loads dropped DLL 5 IoCs

pid	Process
2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe
2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe
2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe
2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe
2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2472-0-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/files/0x000f0000000162ed-25.dat	upx
behavioral1/memory/2672-45-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/2472-48-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/2672-53-0x0000000000400000-0x000000000040C000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows WA = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\WAMain.exe"	reg.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	4f798867596f9cd37b8e8dc73bcc57d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe
Token: SeDebugPrivilege	2672	WAMain.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe
2672	WAMain.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 2604	2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe	28
PID 2472 wrote to memory of 2604	2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe	28
PID 2472 wrote to memory of 2604	2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe	28
PID 2472 wrote to memory of 2604	2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe	28
PID 2604 wrote to memory of 3060	2604	cmd.exe	30
PID 2604 wrote to memory of 3060	2604	cmd.exe	30
PID 2604 wrote to memory of 3060	2604	cmd.exe	30
PID 2604 wrote to memory of 3060	2604	cmd.exe	30
PID 2472 wrote to memory of 2672	2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe	31
PID 2472 wrote to memory of 2672	2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe	31
PID 2472 wrote to memory of 2672	2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe	31
PID 2472 wrote to memory of 2672	2472	4f798867596f9cd37b8e8dc73bcc57d0N.exe	31

C:\Users\Admin\AppData\Local\Temp\4f798867596f9cd37b8e8dc73bcc57d0N.exe
"C:\Users\Admin\AppData\Local\Temp\4f798867596f9cd37b8e8dc73bcc57d0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\HIBII.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2604
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows WA" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:3060
- C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HIBII.bat

Filesize
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe

Filesize
33KB

MD5
9194ccaec69febed354d84fc837c2f00

SHA1
c6f7355f76573389a147ca8a2f4b80efa90ef1a5

SHA256
f46aa530301bbd891856e402b76c617f06317cd0f63cc4380e2407553f7661bb

SHA512
7eb60ddeceec807fe772dd452fb240c8c704cb8e2c89ef7e916ca5ee9d5e2e3017b4c9510fdd4586d7eb8c6d9216b9e950aa36a5b7a9cb395235c21b8db4447a

Download Submit
memory/2472-43-0x0000000000510000-0x000000000051C000-memory.dmp

Filesize
48KB

Download
memory/2472-27-0x0000000000500000-0x000000000050C000-memory.dmp

Filesize
48KB

Download
memory/2472-33-0x0000000000500000-0x000000000050C000-memory.dmp

Filesize
48KB

Download
memory/2472-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2472-42-0x0000000000510000-0x000000000051C000-memory.dmp

Filesize
48KB

Download
memory/2472-41-0x0000000000510000-0x000000000051C000-memory.dmp

Filesize
48KB

Download
memory/2472-48-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2472-49-0x0000000000500000-0x000000000050C000-memory.dmp

Filesize
48KB

Download
memory/2472-50-0x0000000000500000-0x000000000050C000-memory.dmp

Filesize
48KB

Download
memory/2472-51-0x0000000000510000-0x000000000051C000-memory.dmp

Filesize
48KB

Download
memory/2472-52-0x0000000000510000-0x000000000051C000-memory.dmp

Filesize
48KB

Download
memory/2672-45-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2672-53-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads