a17e76adefe08655eca8c581023081940aeb170343d8307470ba6de47e925d8c

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20/04/2024, 08:29

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General

Target
fc5820cc6f4ee06de47249ec8ed3afc1_JaffaCakes118.exe
Size 525KB
Sample240420-kdwb2ace85
SHA256 a17e76adefe08655eca8c581023081940aeb170343d8307470ba6de47e925d8c
MD5 fc5820cc6f4ee06de47249ec8ed3afc1
SHA1 e8eec4be470d99387a35794b0594b19c59ad73b0
SHA512 c7938c4204138d1e3095a8fb8d15f5ed2b525b049164f20bb5f4dced54da3c2eee8e2e051d64626164e5e9279590d481d4f5ae97f084cf9d52b26ccf619868dc
SSDEEP 6144:C7fy6Ezozt81ENRd3Qs1OUdK8N+VQs7PlWlBjPKXPXwboCTms51t1wZXzYEGgJrF:/bt1kRdAs1OYKPlWlBjifyPTmfWq
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

bootkit persistence spyware stealer upx

Malware Config

Signatures

Blocklisted process makes network request 8 IoCs

flow	pid	Process
14	2196	rundll32.exe
23	2196	rundll32.exe
24	2196	rundll32.exe
51	2196	rundll32.exe
68	2196	rundll32.exe
106	2196	rundll32.exe
149	2196	rundll32.exe
195	2196	rundll32.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00090000000233f6-6.dat	acprotect

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2404	bodsa.exe

Executes dropped EXE 2 IoCs

pid	Process
2404	bodsa.exe
3744	wiseman.exe

Loads dropped DLL 1 IoCs

pid	Process
2196	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

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000300000001e9b1-2.dat	upx
behavioral2/files/0x00090000000233f6-6.dat	upx
behavioral2/memory/2196-8-0x0000000010000000-0x000000001002A000-memory.dmp	upx
behavioral2/memory/2196-11-0x0000000010000000-0x000000001002A000-memory.dmp	upx
behavioral2/memory/2196-13-0x0000000010000000-0x000000001002A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wiseman = "C:\\wiseman.exe"	wiseman.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\vabcu\\bwjci.wcb\",XML_MemFree"	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)	\??\l:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\t:	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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

Kills process with taskkill 1 IoCs

evasion

pid	Process
1640	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4924	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	rundll32.exe
Token: SeDebugPrivilege	1640	taskkill.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
544	fc5820cc6f4ee06de47249ec8ed3afc1_JaffaCakes118.exe
2404	bodsa.exe
3744	wiseman.exe
3744	wiseman.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 4228	544	fc5820cc6f4ee06de47249ec8ed3afc1_JaffaCakes118.exe	87
PID 544 wrote to memory of 4228	544	fc5820cc6f4ee06de47249ec8ed3afc1_JaffaCakes118.exe	87
PID 544 wrote to memory of 4228	544	fc5820cc6f4ee06de47249ec8ed3afc1_JaffaCakes118.exe	87
PID 4228 wrote to memory of 4924	4228	cmd.exe	89
PID 4228 wrote to memory of 4924	4228	cmd.exe	89
PID 4228 wrote to memory of 4924	4228	cmd.exe	89
PID 4228 wrote to memory of 2404	4228	cmd.exe	92
PID 4228 wrote to memory of 2404	4228	cmd.exe	92
PID 4228 wrote to memory of 2404	4228	cmd.exe	92
PID 2404 wrote to memory of 2196	2404	bodsa.exe	93
PID 2404 wrote to memory of 2196	2404	bodsa.exe	93
PID 2404 wrote to memory of 2196	2404	bodsa.exe	93
PID 2196 wrote to memory of 1640	2196	rundll32.exe	94
PID 2196 wrote to memory of 1640	2196	rundll32.exe	94
PID 2196 wrote to memory of 1640	2196	rundll32.exe	94
PID 2196 wrote to memory of 3744	2196	rundll32.exe	97
PID 2196 wrote to memory of 3744	2196	rundll32.exe	97
PID 2196 wrote to memory of 3744	2196	rundll32.exe	97

C:\Users\Admin\AppData\Local\Temp\fc5820cc6f4ee06de47249ec8ed3afc1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc5820cc6f4ee06de47249ec8ed3afc1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:544
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\bodsa.exe "C:\Users\Admin\AppData\Local\Temp\fc5820cc6f4ee06de47249ec8ed3afc1_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4228
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:4924
- - C:\Users\Admin\AppData\Local\Temp\bodsa.exe
    C:\Users\Admin\AppData\Local\Temp\\bodsa.exe "C:\Users\Admin\AppData\Local\Temp\fc5820cc6f4ee06de47249ec8ed3afc1_JaffaCakes118.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2404
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\vabcu\bwjci.wcb",XML_MemFree C:\Users\Admin\AppData\Local\Temp\bodsa.exe
      4⤵
      Blocklisted process makes network request
      Checks computer location settings
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2196
    - - \??\c:\windows\SysWOW64\taskkill.exe
        
        taskkill /f /im attrib.exe
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1640
    - - C:\wiseman.exe
        
        "C:\wiseman.exe"
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of SetWindowsHookEx
        
        PID:3744

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

Replay Monitor

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Downloads

bodsa.exe

Path C:\Users\Admin\AppData\Local\Temp\bodsa.exe
Size 525KB
SHA256 8f44a3b3048661cd1bfbb868c25e12e54e17c3c4ec77db929a73501808a1d059
MD5 0ccdf153b514394ca820a6ef50c311af
SHA1 328fb243e968258ffdb403948913c346e11b7997
SHA512 92c22ad950bfb4d536db2517185dd729147a75434e2ca3d0767e5c77eb1625d52dc592f05b498c539bc86bcaa8423c8ec35b8cecadc4012b7d377cc416de25db
SSDEEP 6144:C7fy6Ezozt81ENRd3Qs1OUdK8N+VQs7PlWlBjPKXPXwboCTms51t1wZXzYEGgJrQ:/bt1kRdAs1OYKPlWlBjifyPTmfWqi
MD5 SHA1 SHA512 SSDEEP

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wiseman.exe

Path C:\wiseman.exe
Size 378KB
SHA256 03505198d487e04a8ec82c627d34e4d9145f211140c4c8793b4461621e6bf6ce
MD5 8f242369cf14f2b26ced131d7dd67144
SHA1 d4f2f0f3047300ff5f36af6119ad5e109258fcd0
SHA512 4516b3fa2f68e64baf166bc7731ba3bb0ca53d36d71ff8fa78b1f211d7c14fc4442af50bd637d0c3f11913583c9c66996101d6e8738592a053e82a78bbd771f5
SSDEEP 6144:yraxNx1Gc9N6xJ/MO2N89M4qjGggUA0CthK1KLAb+AfQQIh+K+TuAubWq49OU/CU:ygVhNrAM1qgg2l
MD5 SHA1 SHA512 SSDEEP

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bwjci.wcb

Path \??\c:\vabcu\bwjci.wcb
Size 62KB
SHA256 49d6d364a910ad716fa3ad6229479b2af0f0451ed41e9adc7d8537801cd67c2a
MD5 fb1d904d905d0f177e0fe9d0ac8a44a5
SHA1 c3b5ce7e61697e8e604cde525770e002175f2f96
SHA512 07bc9a2f0281fa6f99d5a0554190fa5671fc2c8bf1029f22745ddc73f33d7f57850104aec3d83c131f870b2f5197831a9e7f073f10596560c3117d2a37935647
SSDEEP 1536:iENl4kZ3EPAw8xUo424hzcz89VUtTqwpCyFzy1yY:iC4kZUP0t4HSz8PUEwA2zyx
MD5 SHA1 SHA512 SSDEEP

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memory/2196-8-0x0000000010000000-0x000000001002A000-memory.dmp

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memory/2196-11-0x0000000010000000-0x000000001002A000-memory.dmp

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memory/2196-13-0x0000000010000000-0x000000001002A000-memory.dmp

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