57e0a2a7b8ad6d080adf103e419fb40f9edb5111b74be5237c567a32c66aacba

General

Target

57e0a2a7b8ad6d080adf103e419fb40f9edb5111b74be5237c567a32c66aacba.exe
Size

94KB
MD5

00eef18516836dbec9d81e1c3c219469
SHA1

f960643d15413b748fb9eab81a570770ed153a8f
SHA256

57e0a2a7b8ad6d080adf103e419fb40f9edb5111b74be5237c567a32c66aacba
SHA512

56682ca5a0acda105bb3e78385f9db5b236448d24a3d6422f50397084bef69bdd7a8330a1273beb52b2d3927edbad21dcb2cb5c9e66b65bde3f10e64460fd715
SSDEEP

1536:2SSABNx6vb4RoI4mwRyAEd0tA6O+taBpDmuZfHEXmOoPIVK4:tSABNx6vb4RoI4mwRxO0tA6vGsa6cPIL

Score

8^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 8 IoCs

flow	pid	Process
13	2072	rundll32.exe
22	2072	rundll32.exe
23	2072	rundll32.exe
24	2072	rundll32.exe
37	2072	rundll32.exe
38	2072	rundll32.exe
41	2072	rundll32.exe
48	2072	rundll32.exe

Deletes itself 1 IoCs

pid	Process
4736	soteih.exe

Executes dropped EXE 1 IoCs

pid	Process
4736	soteih.exe

Loads dropped DLL 1 IoCs

pid	Process
2072	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\mmdllmgw\\kpirgxit.dll\",DoVirusScan"	rundll32.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	57e0a2a7b8ad6d080adf103e419fb40f9edb5111b74be5237c567a32c66aacba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	soteih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1264	cmd.exe
4056	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4056	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2072	rundll32.exe
2072	rundll32.exe
2072	rundll32.exe
2072	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2260	57e0a2a7b8ad6d080adf103e419fb40f9edb5111b74be5237c567a32c66aacba.exe
4736	soteih.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 1264	2260	57e0a2a7b8ad6d080adf103e419fb40f9edb5111b74be5237c567a32c66aacba.exe	84
PID 2260 wrote to memory of 1264	2260	57e0a2a7b8ad6d080adf103e419fb40f9edb5111b74be5237c567a32c66aacba.exe	84
PID 2260 wrote to memory of 1264	2260	57e0a2a7b8ad6d080adf103e419fb40f9edb5111b74be5237c567a32c66aacba.exe	84
PID 1264 wrote to memory of 4056	1264	cmd.exe	87
PID 1264 wrote to memory of 4056	1264	cmd.exe	87
PID 1264 wrote to memory of 4056	1264	cmd.exe	87
PID 1264 wrote to memory of 4736	1264	cmd.exe	89
PID 1264 wrote to memory of 4736	1264	cmd.exe	89
PID 1264 wrote to memory of 4736	1264	cmd.exe	89
PID 4736 wrote to memory of 2072	4736	soteih.exe	90
PID 4736 wrote to memory of 2072	4736	soteih.exe	90
PID 4736 wrote to memory of 2072	4736	soteih.exe	90

C:\Users\Admin\AppData\Local\Temp\57e0a2a7b8ad6d080adf103e419fb40f9edb5111b74be5237c567a32c66aacba.exe
"C:\Users\Admin\AppData\Local\Temp\57e0a2a7b8ad6d080adf103e419fb40f9edb5111b74be5237c567a32c66aacba.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\soteih.exe "C:\Users\Admin\AppData\Local\Temp\57e0a2a7b8ad6d080adf103e419fb40f9edb5111b74be5237c567a32c66aacba.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1264
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4056
- - \??\c:\soteih.exe
    c:\soteih.exe "C:\Users\Admin\AppData\Local\Temp\57e0a2a7b8ad6d080adf103e419fb40f9edb5111b74be5237c567a32c66aacba.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4736
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\mmdllmgw\kpirgxit.dll",DoVirusScan c:\soteih.exe
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2072

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

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\soteih.exe

Filesize
94KB

MD5
b8437426d23456ee4cb24ebe061b585b

SHA1
373d98f4b98fb414a975f2984d9d08d45be192fd

SHA256
3ee15cccf4aa1ebce84e0dd29a51227e45b35502b18a89b57e013f3ac6db65f9

SHA512
fccd2239a08c13a7d1d01ea9dbb0da5941ca05ab2aae139b1196c12d49ea5f3ceba75c45a1ded04f01d14e86a11f7a409ace7c0430e176c64890d2ca8e18867b

Download Submit
\??\c:\mmdllmgw\kpirgxit.dll

Filesize
57KB

MD5
d44df003cd7b4ddc2b58f66d6af9894a

SHA1
165234b8432fa410af2e16a286fea52a664bcd46

SHA256
3f60f5b141fed70c9db160df1b34aa28c62d9aae480029bee14fbe1f635e07e8

SHA512
695266ae7c913291d060c9a7522283d9f113aa05f4105000ec5cd02fb0a102ec74aeee67ad5d660504c1d84c4d2b0eb36de1d551d1aa8bb3b8f06d4a5e509796

Download Submit
memory/2072-15-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2072-10-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2072-11-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2072-13-0x0000000010020000-0x0000000010030000-memory.dmp

Filesize
64KB

Download
memory/2072-14-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2072-18-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2072-20-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2072-21-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2260-2-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2260-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4736-7-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads