42250677cbe6504034f6b6519e8f27cfc142772abe476f88ca0f72eefde2dcb3

General

Target

8e3f27473d38855bcaf796affec58903.exe
Size

693KB
MD5

8e3f27473d38855bcaf796affec58903
SHA1

0f97f5db8060b471e2c7cae522137d38161d37fa
SHA256

42250677cbe6504034f6b6519e8f27cfc142772abe476f88ca0f72eefde2dcb3
SHA512

e18c38b921aa958e97e8b021ff7c5cffaf1eff775fbef03513376197bc7559d22d1d609b09309cfbe1bd7b457d62a9d2715facf2a371966f0c1fb64a6e62af82
SSDEEP

12288:bzVJxyaw0nLCvyCcf8gtgd86JszHj27pTF3Z4mxxyDqVTVOCg:1vyALCg8g4mjupTQmXJVTzg

Score

7^/10

aspackv2 persistence

Malware Config

Signatures

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0007000000023135-28.dat	aspack_v212_v242

Executes dropped EXE 2 IoCs

pid	Process
2620	SERVER~1.EXE
1228	556.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\\\""	8e3f27473d38855bcaf796affec58903.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\556.exe	SERVER~1.EXE
File opened for modification	C:\Windows\556.exe	SERVER~1.EXE
File created	C:\Windows\uninstal.bat	SERVER~1.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2620	SERVER~1.EXE
Token: SeDebugPrivilege	1228	556.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1228	556.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 2620	4140	8e3f27473d38855bcaf796affec58903.exe	84
PID 4140 wrote to memory of 2620	4140	8e3f27473d38855bcaf796affec58903.exe	84
PID 4140 wrote to memory of 2620	4140	8e3f27473d38855bcaf796affec58903.exe	84
PID 1228 wrote to memory of 2380	1228	556.exe	86
PID 1228 wrote to memory of 2380	1228	556.exe	86
PID 2620 wrote to memory of 2940	2620	SERVER~1.EXE	87
PID 2620 wrote to memory of 2940	2620	SERVER~1.EXE	87
PID 2620 wrote to memory of 2940	2620	SERVER~1.EXE	87

C:\Users\Admin\AppData\Local\Temp\8e3f27473d38855bcaf796affec58903.exe
"C:\Users\Admin\AppData\Local\Temp\8e3f27473d38855bcaf796affec58903.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4140
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SERVER~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SERVER~1.EXE
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2620
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\uninstal.bat
    3⤵
    PID:2940

C:\Windows\556.exe
C:\Windows\556.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  PID:2380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SERVER~1.EXE

Filesize
292KB

MD5
af112722fa9a12a474fbc496d708dbf0

SHA1
bcd366536306de1dcd91170832dfc1115214b146

SHA256
b0c406012ea601046ada296c26fada0670f7fb2b41393b176dcc254b8d04ff8b

SHA512
a9974cd6c3c43f622f19b35eb2872d0d72ef8ffcc5cd9c2eca8fdac9f20eecbed947ea0be8c4a64004b156c9228b418b01a4fe5a9c3d8b757ac5230570746d8f

Download Submit
C:\Windows\uninstal.bat

Filesize
164B

MD5
924ea7ae6df752587469376459875c51

SHA1
ec5fa69c7e5dcaf5b57eefadc4f25a8e4ae073e1

SHA256
46c715ac82d5774479b760757498ddb0b9f75cebc116a3da81f9e438bc9bbb09

SHA512
ea7b176a411b82faf5fcd785c67180f88f9ff28f7e24c4f4b49f8e7cdc99fb60e38722b61547a4291bdd2c56b3729045c2e8d4afbecfe03612ab0dd8a7b6ae35

Download Submit
memory/1228-42-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/1228-35-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/2620-38-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2620-30-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/4140-15-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

Filesize
4KB

Download
memory/4140-19-0x0000000000F80000-0x0000000000F81000-memory.dmp

Filesize
4KB

Download
memory/4140-8-0x0000000000E20000-0x0000000000E21000-memory.dmp

Filesize
4KB

Download
memory/4140-9-0x0000000000E50000-0x0000000000E51000-memory.dmp

Filesize
4KB

Download
memory/4140-11-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

Filesize
4KB

Download
memory/4140-10-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

Filesize
4KB

Download
memory/4140-13-0x0000000000E80000-0x0000000000E81000-memory.dmp

Filesize
4KB

Download
memory/4140-12-0x0000000000F00000-0x0000000000F01000-memory.dmp

Filesize
4KB

Download
memory/4140-14-0x0000000000E70000-0x0000000000E71000-memory.dmp

Filesize
4KB

Download
memory/4140-16-0x0000000000EE0000-0x0000000000EE1000-memory.dmp

Filesize
4KB

Download
memory/4140-0-0x0000000001000000-0x0000000001162000-memory.dmp

Filesize
1.4MB

Download
memory/4140-17-0x0000000000F10000-0x0000000000F11000-memory.dmp

Filesize
4KB

Download
memory/4140-18-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

Filesize
4KB

Download
memory/4140-7-0x0000000000E30000-0x0000000000E31000-memory.dmp

Filesize
4KB

Download
memory/4140-20-0x0000000000F60000-0x0000000000F61000-memory.dmp

Filesize
4KB

Download
memory/4140-22-0x0000000000F30000-0x0000000000F31000-memory.dmp

Filesize
4KB

Download
memory/4140-21-0x0000000000F40000-0x0000000000F41000-memory.dmp

Filesize
4KB

Download
memory/4140-23-0x0000000000F90000-0x0000000000F91000-memory.dmp

Filesize
4KB

Download
memory/4140-24-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/4140-6-0x0000000000DC0000-0x0000000000DC1000-memory.dmp

Filesize
4KB

Download
memory/4140-4-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/4140-5-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

Filesize
4KB

Download
memory/4140-3-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download
memory/4140-2-0x0000000000E10000-0x0000000000E11000-memory.dmp

Filesize
4KB

Download
memory/4140-40-0x0000000001000000-0x0000000001162000-memory.dmp

Filesize
1.4MB

Download
memory/4140-41-0x00000000008B0000-0x0000000000904000-memory.dmp

Filesize
336KB

Download
memory/4140-1-0x00000000008B0000-0x0000000000904000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads