c5c4bda9beed40bbab0bee6e13de4fd52f3d535a38c153c8c7acab4edfe1c4e1

Analysis

max time kernel
157s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 03:57

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General

Target

c5c4bda9beed40bbab0bee6e13de4fd52f3d535a38c153c8c7acab4edfe1c4e1.exe
Size

401KB
MD5

1f48247381e18d4fc84e494001a89c79
SHA1

0d721b9e302e741b7d8804e19392d3c3acec3344
SHA256

c5c4bda9beed40bbab0bee6e13de4fd52f3d535a38c153c8c7acab4edfe1c4e1
SHA512

35a04f5b1ffbee93f457e2edd5fdba1c2ae6e8daae1d33b6682e9a08394122a80ac41f4793ffb371c7fdc636c113d632902cc23fc60abd1525d1cf542b4cdde0
SSDEEP

6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Score

8^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 8 IoCs

flow	pid	Process
39	4860	rundll32.exe
64	4860	rundll32.exe
65	4860	rundll32.exe
66	4860	rundll32.exe
67	4860	rundll32.exe
71	4860	rundll32.exe
77	4860	rundll32.exe
79	4860	rundll32.exe

Executes dropped EXE 1 IoCs

pid	Process
2072	obhogy.exe

Loads dropped DLL 1 IoCs

pid	Process
4860	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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\qalyo\\siquenrbv.dll\",Verify"	rundll32.exe

Enumerates connected drives 3 TTPs 2 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)	\??\b:	rundll32.exe
File opened (read-only)	\??\a:	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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4860	rundll32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	\??\c:\Program Files\qalyo\siquenrbv.dll	obhogy.exe
File opened for modification	\??\c:\Program Files\qalyo	obhogy.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
1536	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe
4860	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4860	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3120	c5c4bda9beed40bbab0bee6e13de4fd52f3d535a38c153c8c7acab4edfe1c4e1.exe
2072	obhogy.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3120 wrote to memory of 1752	3120	c5c4bda9beed40bbab0bee6e13de4fd52f3d535a38c153c8c7acab4edfe1c4e1.exe	95
PID 3120 wrote to memory of 1752	3120	c5c4bda9beed40bbab0bee6e13de4fd52f3d535a38c153c8c7acab4edfe1c4e1.exe	95
PID 3120 wrote to memory of 1752	3120	c5c4bda9beed40bbab0bee6e13de4fd52f3d535a38c153c8c7acab4edfe1c4e1.exe	95
PID 1752 wrote to memory of 1536	1752	cmd.exe	97
PID 1752 wrote to memory of 1536	1752	cmd.exe	97
PID 1752 wrote to memory of 1536	1752	cmd.exe	97
PID 1752 wrote to memory of 2072	1752	cmd.exe	99
PID 1752 wrote to memory of 2072	1752	cmd.exe	99
PID 1752 wrote to memory of 2072	1752	cmd.exe	99
PID 2072 wrote to memory of 4860	2072	obhogy.exe	101
PID 2072 wrote to memory of 4860	2072	obhogy.exe	101
PID 2072 wrote to memory of 4860	2072	obhogy.exe	101

C:\Users\Admin\AppData\Local\Temp\c5c4bda9beed40bbab0bee6e13de4fd52f3d535a38c153c8c7acab4edfe1c4e1.exe
"C:\Users\Admin\AppData\Local\Temp\c5c4bda9beed40bbab0bee6e13de4fd52f3d535a38c153c8c7acab4edfe1c4e1.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3120
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\obhogy.exe "C:\Users\Admin\AppData\Local\Temp\c5c4bda9beed40bbab0bee6e13de4fd52f3d535a38c153c8c7acab4edfe1c4e1.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:1536
- - C:\Users\Admin\AppData\Local\Temp\obhogy.exe
    C:\Users\Admin\AppData\Local\Temp\\obhogy.exe "C:\Users\Admin\AppData\Local\Temp\c5c4bda9beed40bbab0bee6e13de4fd52f3d535a38c153c8c7acab4edfe1c4e1.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2072
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\qalyo\siquenrbv.dll",Verify C:\Users\Admin\AppData\Local\Temp\obhogy.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)
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4860

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3844 --field-trial-handle=2256,i,6057863739127169200,6895476048812676039,262144 --variations-seed-version /prefetch:8
1⤵
PID:3216

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

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\obhogy.exe

Filesize
401KB

MD5
edc7082b81d3ca256eab9c32ef2b7677

SHA1
f495c945cc120752e59dee27d695c13239b03447

SHA256
530f168d62f8d92d8452ec9fb8a19097933b473aa1d8673a7e013d5bd2043db1

SHA512
4854e2ef5465b8085fa1aa81f9bab41848f052be9cbd04eeb6ad1ca1d1866c47f1b39bfb7a357e45ae053b322760f571de69cde80adf4c8f663694fad32f4c1a

Download Submit
\??\c:\Program Files\qalyo\siquenrbv.dll

Filesize
228KB

MD5
a2216fd237763745859097b9f69f036b

SHA1
12734595a9f7466db87864abbe1461ddfc7214d0

SHA256
019c405dcc118501554c0a52875eef3ce6ef442502ceef1459a034dd496dcc19

SHA512
593e9ded9a3cf93a82b19ed6f696b6286fedf0285c8d4b7e39fa9419285c951711fe103021d4112918c57f944cb9721867d976fc2f3b987e27bb813261953109

Download Submit
memory/2072-7-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3120-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3120-5-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4860-10-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/4860-11-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/4860-13-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download