36b8315074a8393334744bc03cca0498b7483b7f2344ac79ff1aa7a7127510c7

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 10:03

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General

Target

b72641e0527ebee19a3899e465524035.exe
Size

48KB
MD5

b72641e0527ebee19a3899e465524035
SHA1

4f9a204957ee12c09cd95863c427fb44b182287a
SHA256

36b8315074a8393334744bc03cca0498b7483b7f2344ac79ff1aa7a7127510c7
SHA512

8c5734571fd33eb81252011bb4ace04dd4bafe311aea79b345d4c2206559e6ad2cad77e1311abebf7ab881f9aa6be89ba857cf720e74e0e5769089b9239bc0cc
SSDEEP

768:LY14ZgXRJHZZ619nzw1veq2ryvlfhM51CjScMJspgoSv2XzJNP4Xh9Gzs6L:E14u4nzwo1yvla59s59g9GzZL

Score

8^/10

persistence

Malware Config

Signatures

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\97A48D84\ImagePath = "C:\\Windows\\system32\\D0308859.EXE -97A48D84"	b72641e0527ebee19a3899e465524035.exe

Deletes itself 1 IoCs

pid	Process
2724	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	D0308859.EXE

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\D0308859.EXE	b72641e0527ebee19a3899e465524035.exe
File opened for modification	C:\Windows\SysWOW64\D0308859.EXE	b72641e0527ebee19a3899e465524035.exe
File created	C:\Windows\SysWOW64\D0308859.EXE	D0308859.EXE
File created	C:\Windows\SysWOW64\64D338F2.DLL	D0308859.EXE
File created	C:\Windows\SysWOW64\delme.bat	b72641e0527ebee19a3899e465524035.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2576	D0308859.EXE
2576	D0308859.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSystemtimePrivilege	2936	b72641e0527ebee19a3899e465524035.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2724	2936	b72641e0527ebee19a3899e465524035.exe	31
PID 2936 wrote to memory of 2724	2936	b72641e0527ebee19a3899e465524035.exe	31
PID 2936 wrote to memory of 2724	2936	b72641e0527ebee19a3899e465524035.exe	31
PID 2936 wrote to memory of 2724	2936	b72641e0527ebee19a3899e465524035.exe	31

C:\Users\Admin\AppData\Local\Temp\b72641e0527ebee19a3899e465524035.exe
"C:\Users\Admin\AppData\Local\Temp\b72641e0527ebee19a3899e465524035.exe"
1⤵
- Sets service image path in registry
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\delme.bat
  2⤵
  - Deletes itself
  PID:2724

C:\Windows\SysWOW64\D0308859.EXE
C:\Windows\SysWOW64\D0308859.EXE -97A48D84
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2576

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\D0308859.EXE

Filesize
48KB

MD5
b72641e0527ebee19a3899e465524035

SHA1
4f9a204957ee12c09cd95863c427fb44b182287a

SHA256
36b8315074a8393334744bc03cca0498b7483b7f2344ac79ff1aa7a7127510c7

SHA512
8c5734571fd33eb81252011bb4ace04dd4bafe311aea79b345d4c2206559e6ad2cad77e1311abebf7ab881f9aa6be89ba857cf720e74e0e5769089b9239bc0cc

Download Submit
C:\Windows\SysWOW64\delme.bat

Filesize
211B

MD5
e2398d5c03bbb0587cec4089caa9d96f

SHA1
beb3be23b32e8acee4267400a9ac3a42fab58cb1

SHA256
cf0d575bf87e1d2397e3bea66216a7af5303894ef1965a87baf9a27170ac5e78

SHA512
0beae07367d24dab3504d7c22810313e1d26f898dfe5e470fc8a9b58962e6929f4390f735a31d93f5f5afe3359982d335b50296ddf2a1f15bf5ffaae79d49d8f

Download Submit
memory/2576-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2936-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2936-1-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download