ecb6fdbbfaced6ed135945025128ee77b3a91e0410253c8bf4a2fe279d38a1de

General

Target

ecb6fdbbfaced6ed135945025128ee77b3a91e0410253c8bf4a2fe279d38a1de.exe
Size

157KB
MD5

9a28f6f6015843090d00da12119f8a15
SHA1

c8bc6236a8ef0f312c642a55537de2bd3c7a7520
SHA256

ecb6fdbbfaced6ed135945025128ee77b3a91e0410253c8bf4a2fe279d38a1de
SHA512

c88224341f658d45be3ea785053e2616eeaf0829cc78615f7530f6a046c0315009b7140a5d386c11daec97826ce371e9688c119adbc4e819eb442f0844e6dae9
SSDEEP

1536:MRiAXaKD5gixq7OstjzjW6ZdjtETzR77i11GAbRp0BGiEA0O0o:6iAXaKD7Ia6KTdNAbzSGiN0OJ

Score

8^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 10 IoCs

flow	pid	Process
4	2300	rundll32.exe
7	2300	rundll32.exe
8	2300	rundll32.exe
9	2300	rundll32.exe
10	2300	rundll32.exe
13	2300	rundll32.exe
14	2300	rundll32.exe
15	2300	rundll32.exe
17	2300	rundll32.exe
18	2300	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2080	eigqaqj.exe

Executes dropped EXE 1 IoCs

pid	Process
2080	eigqaqj.exe

Loads dropped DLL 4 IoCs

pid	Process
2300	rundll32.exe
2300	rundll32.exe
2300	rundll32.exe
2300	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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\ohqnfl\\rsdvz.dll\",GetWindowClass"	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)	\??\y:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\h:	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)	\??\a:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\o:	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	ecb6fdbbfaced6ed135945025128ee77b3a91e0410253c8bf4a2fe279d38a1de.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	eigqaqj.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
2452	cmd.exe
2488	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
2488	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2300	rundll32.exe
2300	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1252	ecb6fdbbfaced6ed135945025128ee77b3a91e0410253c8bf4a2fe279d38a1de.exe
2080	eigqaqj.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 2452	1252	ecb6fdbbfaced6ed135945025128ee77b3a91e0410253c8bf4a2fe279d38a1de.exe	30
PID 1252 wrote to memory of 2452	1252	ecb6fdbbfaced6ed135945025128ee77b3a91e0410253c8bf4a2fe279d38a1de.exe	30
PID 1252 wrote to memory of 2452	1252	ecb6fdbbfaced6ed135945025128ee77b3a91e0410253c8bf4a2fe279d38a1de.exe	30
PID 1252 wrote to memory of 2452	1252	ecb6fdbbfaced6ed135945025128ee77b3a91e0410253c8bf4a2fe279d38a1de.exe	30
PID 2452 wrote to memory of 2488	2452	cmd.exe	32
PID 2452 wrote to memory of 2488	2452	cmd.exe	32
PID 2452 wrote to memory of 2488	2452	cmd.exe	32
PID 2452 wrote to memory of 2488	2452	cmd.exe	32
PID 2452 wrote to memory of 2080	2452	cmd.exe	33
PID 2452 wrote to memory of 2080	2452	cmd.exe	33
PID 2452 wrote to memory of 2080	2452	cmd.exe	33
PID 2452 wrote to memory of 2080	2452	cmd.exe	33
PID 2080 wrote to memory of 2300	2080	eigqaqj.exe	34
PID 2080 wrote to memory of 2300	2080	eigqaqj.exe	34
PID 2080 wrote to memory of 2300	2080	eigqaqj.exe	34
PID 2080 wrote to memory of 2300	2080	eigqaqj.exe	34
PID 2080 wrote to memory of 2300	2080	eigqaqj.exe	34
PID 2080 wrote to memory of 2300	2080	eigqaqj.exe	34
PID 2080 wrote to memory of 2300	2080	eigqaqj.exe	34

C:\Users\Admin\AppData\Local\Temp\ecb6fdbbfaced6ed135945025128ee77b3a91e0410253c8bf4a2fe279d38a1de.exe
"C:\Users\Admin\AppData\Local\Temp\ecb6fdbbfaced6ed135945025128ee77b3a91e0410253c8bf4a2fe279d38a1de.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\eigqaqj.exe "C:\Users\Admin\AppData\Local\Temp\ecb6fdbbfaced6ed135945025128ee77b3a91e0410253c8bf4a2fe279d38a1de.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2452
- - 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:2488
- - \??\c:\eigqaqj.exe
    c:\eigqaqj.exe "C:\Users\Admin\AppData\Local\Temp\ecb6fdbbfaced6ed135945025128ee77b3a91e0410253c8bf4a2fe279d38a1de.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2080
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\ohqnfl\rsdvz.dll",GetWindowClass c:\eigqaqj.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:2300

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:\eigqaqj.exe

Filesize
157KB

MD5
8c06e13d545908bc70e1212f032ae841

SHA1
afe3f3aabacf5aab584e95d432343034887f6718

SHA256
54e8ec7ed0891d4d58b9a199ef226339fd038508a3630644b2cdb6b9b82c2588

SHA512
17dfeae62594e8b84ed938aab61274e07a495f9fa0616eb1287b5b8a387f0645210644400c9be02171a50af6a6e5216eaa2327b6f2f12e627a8785d0d38451b7

Download Submit
\??\c:\ohqnfl\rsdvz.dll

Filesize
63KB

MD5
bec93912524f50c6f7c943716c7ef02b

SHA1
69ba8f1dd5a7d6cd94d688c691406cbd54be4486

SHA256
032570414587af2303431e8db5d5f4223e0147f4b63a2160b97d9a6ea531bd81

SHA512
41fb8970e9007c789227740e81a483bda806470ce25476589a3dfceddaaa60b20d890c37b56f8be83defb2a5b774dbd6c2026fc259884e8acf2971b06041f6a6

Download Submit
memory/1252-2-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1252-0-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2080-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2300-16-0x0000000010033000-0x0000000010034000-memory.dmp

Filesize
4KB

Download
memory/2300-15-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2300-14-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2300-13-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2300-17-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2300-18-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2300-22-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2300-23-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2300-24-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2452-5-0x00000000001A0000-0x00000000001C6000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads