bazaloader | 9d93b56e51a529ff6fab37769c2c69007b59cd22df05dcc6926e5722003a64d8

General

Target

d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe
Size

5.1MB
MD5

d02f651baa63b69474cac03c4a2edfa6
SHA1

0501c07e93d1abc3d31d1f1200f8ff7d79198172
SHA256

9d93b56e51a529ff6fab37769c2c69007b59cd22df05dcc6926e5722003a64d8
SHA512

8309c6435001f8356a17e7e91863db3ba731558cb2ded400878ff16c087b36a84624b20b6017e7c97b1e41b07033e7eedadf9e8a3a51727f489820ef63981226
SSDEEP

49152:D6mrLDAiPcTlyoMbH7l/EaRkXfnNhdDAB4swOqZIeQlMO9nfWXhREvFFP1Pc1rRI:TmniBdfjsTveQCmiIRvf/2tq56aA

Score

10^/10

bazaloader evasion execution persistence privilege_escalation trojan

Malware Config

Signatures

Bazaloader family
bazaloader

Detects BazaLoader malware 5 IoCs

BazaLoader is a trojan that transmits logs to the Command and Control (C2) server, encoding them in BASE64 format through GET requests - JaffaCakes118.

trojan

resource	yara_rule
behavioral2/memory/3752-2-0x0000000140000000-0x000000014061F200-memory.dmp	BazaLoader
behavioral2/memory/3752-4-0x0000000140000000-0x000000014061F200-memory.dmp	BazaLoader
behavioral2/memory/2308-32-0x0000000140000000-0x000000014061F200-memory.dmp	BazaLoader
behavioral2/memory/3752-33-0x0000000140000000-0x000000014061F200-memory.dmp	BazaLoader
behavioral2/memory/2308-59-0x0000000140000000-0x000000014061F200-memory.dmp	BazaLoader

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1372	powershell.exe
880	powershell.exe

Modifies Windows Firewall 2 TTPs 4 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4908	netsh.exe
2536	netsh.exe
4256	netsh.exe
2332	netsh.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2308	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\System\xxx1.bak	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe
File created	C:\Windows\System\svchost.exe	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe
File opened for modification	C:\Windows\System\svchost.exe	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe
File created	C:\Windows\System\xxx1.bak	svchost.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 12 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2676	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
880	powershell.exe
880	powershell.exe
3752	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe
3752	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe
1372	powershell.exe
1372	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	880	powershell.exe
Token: SeDebugPrivilege	1372	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3752 wrote to memory of 880	3752	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe	82
PID 3752 wrote to memory of 880	3752	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe	82
PID 3752 wrote to memory of 4908	3752	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe	84
PID 3752 wrote to memory of 4908	3752	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe	84
PID 3752 wrote to memory of 2536	3752	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe	86
PID 3752 wrote to memory of 2536	3752	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe	86
PID 3752 wrote to memory of 2676	3752	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe	87
PID 3752 wrote to memory of 2676	3752	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe	87
PID 3752 wrote to memory of 2308	3752	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe	90
PID 3752 wrote to memory of 2308	3752	d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe	90
PID 2308 wrote to memory of 1372	2308	svchost.exe	92
PID 2308 wrote to memory of 1372	2308	svchost.exe	92
PID 2308 wrote to memory of 4256	2308	svchost.exe	95
PID 2308 wrote to memory of 4256	2308	svchost.exe	95
PID 2308 wrote to memory of 2332	2308	svchost.exe	97
PID 2308 wrote to memory of 2332	2308	svchost.exe	97

C:\Users\Admin\AppData\Local\Temp\d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d02f651baa63b69474cac03c4a2edfa6_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3752
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath %windir%
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:880
- C:\Windows\System32\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="SvcHostX" dir=in action=allow program="C:\Windows\System\svchost.exe" enable=yes
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:4908
- C:\Windows\System32\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="SvcHostX" dir=out action=allow program="C:\Windows\System\svchost.exe" enable=yes
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:2536
- C:\Windows\SYSTEM32\schtasks.exe
  schtasks /create /sc minute /ED "11/02/2024" /mo 7 /tn "Timer" /tr c:\windows\system\svchost.exe /ru SYSTEM
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2676
- C:\Windows\System\svchost.exe
  "C:\Windows\System\svchost.exe" formal
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath %windir%
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1372
- - C:\Windows\System32\netsh.exe
    "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="SvcHostX" dir=in action=allow program="C:\Windows\System\svchost.exe" enable=yes
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:4256
- - C:\Windows\System32\netsh.exe
    "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="SvcHostX" dir=out action=allow program="C:\Windows\System\svchost.exe" enable=yes
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bcyxor0g.1pz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\tor\cached-microdesc-consensus.tmp

Filesize
2.8MB

MD5
3c681cef1f570d3b1a046dfc93b4022e

SHA1
b0ca6fd4bafabeacfb7cd08aa4b8151276068cb3

SHA256
911b63dece7ed9a1e511ab6d06ebee2a4497c1cb5ae3a92bf4a7de9ac1e118fc

SHA512
873c138bcd7b09a8d8dc633fac7119ac9b817d81349e40a5b7738f9594d4693d0ac434ac5ffc8cf5ed478cecfa5bd5eab44c136a828f43718fb09ce67089f2e3

Download Submit
C:\Users\Admin\AppData\Roaming\tor\cached-microdescs.new

Filesize
16.0MB

MD5
24de81efa99c89285402c794a2bcb0a6

SHA1
a57b46bb087739e5d6eddc35adb5233090113e9c

SHA256
fe3df7be5eb7e7556f6cae2ef3b96d928235aa8612bed3878522224490422873

SHA512
18d8a2584256ccd58cb5a281f219df484dacf94203902fd09cdc1bce5596c050ae52974c1556964a32f5ea4195bf32b13db7086696bc3676a7fceac0ce64fbfe

Download Submit
C:\Windows\System\svchost.exe

Filesize
5.1MB

MD5
d02f651baa63b69474cac03c4a2edfa6

SHA1
0501c07e93d1abc3d31d1f1200f8ff7d79198172

SHA256
9d93b56e51a529ff6fab37769c2c69007b59cd22df05dcc6926e5722003a64d8

SHA512
8309c6435001f8356a17e7e91863db3ba731558cb2ded400878ff16c087b36a84624b20b6017e7c97b1e41b07033e7eedadf9e8a3a51727f489820ef63981226

Download Submit
memory/880-5-0x00007FFA28463000-0x00007FFA28465000-memory.dmp

Filesize
8KB

Download
memory/880-6-0x000002B67A9F0000-0x000002B67AA12000-memory.dmp

Filesize
136KB

Download
memory/880-16-0x00007FFA28460000-0x00007FFA28F21000-memory.dmp

Filesize
10.8MB

Download
memory/880-17-0x00007FFA28460000-0x00007FFA28F21000-memory.dmp

Filesize
10.8MB

Download
memory/880-20-0x00007FFA28460000-0x00007FFA28F21000-memory.dmp

Filesize
10.8MB

Download
memory/2308-32-0x0000000140000000-0x000000014061F200-memory.dmp

Filesize
6.1MB

Download
memory/2308-31-0x0000000140000000-0x000000014061F200-memory.dmp

Filesize
6.1MB

Download
memory/2308-47-0x0000000010000000-0x00000000104E2000-memory.dmp

Filesize
4.9MB

Download
memory/2308-59-0x0000000140000000-0x000000014061F200-memory.dmp

Filesize
6.1MB

Download
memory/3752-0-0x0000000140000000-0x000000014061F200-memory.dmp

Filesize
6.1MB

Download
memory/3752-33-0x0000000140000000-0x000000014061F200-memory.dmp

Filesize
6.1MB

Download
memory/3752-3-0x0000000140001000-0x0000000140011000-memory.dmp

Filesize
64KB

Download
memory/3752-4-0x0000000140000000-0x000000014061F200-memory.dmp

Filesize
6.1MB

Download
memory/3752-1-0x0000000140000000-0x000000014061F200-memory.dmp

Filesize
6.1MB

Download
memory/3752-2-0x0000000140000000-0x000000014061F200-memory.dmp

Filesize
6.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads