426aa24caec79b981b402fd2c50c0e430e4acfc21ff310e90793f0ed395e993e

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 09:56

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General

Target

151bff26720869d4c242d491a6aecdb6.exe
Size

690KB
MD5

151bff26720869d4c242d491a6aecdb6
SHA1

807dbac43b4b00addd65cc5f61fe5ea437f4a3b6
SHA256

426aa24caec79b981b402fd2c50c0e430e4acfc21ff310e90793f0ed395e993e
SHA512

cebbfd27985ce2c107b5ec50534e5635ca3c9c1455adf1eb4dfa085dc419f8a9f35cfd242ac8ad9dfa701e7839e5243cf698eefa5cdb8e323618ce7b1fd62b6b
SSDEEP

12288:daf9Jzewnm51xQwfboF9PUlQQufDqF3Z4mxxCDqVTVOCIJy:daVN25PjfsPUJsWQmXZVTzR

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2648	Server.exe
2720	server.exe

Loads dropped DLL 2 IoCs

pid	Process
2928	151bff26720869d4c242d491a6aecdb6.exe
2928	151bff26720869d4c242d491a6aecdb6.exe

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	151bff26720869d4c242d491a6aecdb6.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ieapfltr.dat	server.exe
File opened for modification	C:\Windows\SysWOW64\server.exe	server.exe
File opened for modification	C:\Windows\SysWOW64\ieapfltr.dat	Server.exe
File created	C:\Windows\SysWOW64\server.exe	Server.exe
File opened for modification	C:\Windows\SysWOW64\server.exe	Server.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\uninstal.bat	Server.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	Server.exe
Token: SeDebugPrivilege	2720	server.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2648	2928	151bff26720869d4c242d491a6aecdb6.exe	14
PID 2928 wrote to memory of 2648	2928	151bff26720869d4c242d491a6aecdb6.exe	14
PID 2928 wrote to memory of 2648	2928	151bff26720869d4c242d491a6aecdb6.exe	14
PID 2928 wrote to memory of 2648	2928	151bff26720869d4c242d491a6aecdb6.exe	14
PID 2648 wrote to memory of 1692	2648	Server.exe	31
PID 2648 wrote to memory of 1692	2648	Server.exe	31
PID 2648 wrote to memory of 1692	2648	Server.exe	31
PID 2648 wrote to memory of 1692	2648	Server.exe	31
PID 2648 wrote to memory of 1692	2648	Server.exe	31
PID 2648 wrote to memory of 1692	2648	Server.exe	31
PID 2648 wrote to memory of 1692	2648	Server.exe	31

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\uninstal.bat
  2⤵
  PID:1692

C:\Windows\SysWOW64\server.exe
C:\Windows\SysWOW64\server.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2720

C:\Users\Admin\AppData\Local\Temp\151bff26720869d4c242d491a6aecdb6.exe
"C:\Users\Admin\AppData\Local\Temp\151bff26720869d4c242d491a6aecdb6.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2928

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\server.exe

Filesize
743KB

MD5
d5093e176bbe4b5b1cf83b5bbe9d74a2

SHA1
96b825f2745bfffef68220668f5871139c0cb362

SHA256
538d2d2c8903214c4babbece1bd3717484bf4f4af37d36db052a25ca935f9588

SHA512
d1eaabd969bba512e09bd168802c901bfdde2d460cec30a4e44a805dee12fc27de7f146b763bc5be0b4e49a40044205e7102a62f4e6ed54735c8768ee805e159

Download Submit
C:\Windows\uninstal.bat

Filesize
160B

MD5
69e01c599950b5caf5cd7ec972f89682

SHA1
2d34ceced77c1f86417c00f706e06cc902b11e3b

SHA256
b46da5e666a34856e6f9763f5bef2a4879b4d33f42ea1727be44a84e76fc8e5e

SHA512
48acf4f4b87eb21a255003a18ed572efb78d5c3ad90b4529bbb16dd32b53142c8f08fe4f567d29115e2ac1fb543f71c1b9ac3dc79cc14afda84c67f72ff11ba9

Download Submit
memory/2648-45-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2648-60-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2720-50-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2720-52-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2928-29-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/2928-13-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download
memory/2928-32-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/2928-31-0x0000000003160000-0x0000000003161000-memory.dmp

Filesize
4KB

Download
memory/2928-30-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/2928-0-0x0000000001000000-0x00000000010BD000-memory.dmp

Filesize
756KB

Download
memory/2928-28-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/2928-27-0x0000000000A90000-0x0000000000A91000-memory.dmp

Filesize
4KB

Download
memory/2928-26-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/2928-25-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download
memory/2928-24-0x0000000000A50000-0x0000000000A51000-memory.dmp

Filesize
4KB

Download
memory/2928-23-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/2928-22-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/2928-19-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/2928-17-0x00000000009E0000-0x00000000009E1000-memory.dmp

Filesize
4KB

Download
memory/2928-16-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/2928-34-0x00000000031C0000-0x00000000031C1000-memory.dmp

Filesize
4KB

Download
memory/2928-15-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/2928-14-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/2928-33-0x0000000003140000-0x0000000003141000-memory.dmp

Filesize
4KB

Download
memory/2928-12-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/2928-11-0x0000000003120000-0x0000000003123000-memory.dmp

Filesize
12KB

Download
memory/2928-10-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/2928-9-0x0000000003130000-0x0000000003131000-memory.dmp

Filesize
4KB

Download
memory/2928-8-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2928-7-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2928-6-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/2928-5-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2928-4-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/2928-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2928-2-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2928-1-0x0000000000740000-0x0000000000794000-memory.dmp

Filesize
336KB

Download
memory/2928-61-0x0000000001000000-0x00000000010BD000-memory.dmp

Filesize
756KB

Download
memory/2928-35-0x00000000031B0000-0x00000000031B1000-memory.dmp

Filesize
4KB

Download
memory/2928-62-0x0000000000740000-0x0000000000794000-memory.dmp

Filesize
336KB

Download
memory/2928-36-0x0000000003260000-0x0000000003261000-memory.dmp

Filesize
4KB

Download
memory/2928-37-0x0000000003250000-0x0000000003251000-memory.dmp

Filesize
4KB

Download
memory/2928-18-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads