blustealer | 960c5e14181f4b5bac1b82c9367860d6f30fa0a4e7cf848cd523b3a3b7268ece

General

Target

38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe
Size

994KB
MD5

38b37b2b72f6071cf8345c05af05fcee
SHA1

2f42183fa45551194a1d1d0b5a10f0a91116212f
SHA256

960c5e14181f4b5bac1b82c9367860d6f30fa0a4e7cf848cd523b3a3b7268ece
SHA512

b56315744d10d81d2a393373dc65da93f0f4b2ba48253833d3faecd0ec7a550df3d80ab45d242dfa3e42c1728447b74492dc26b9c9a4ca66e3544cb1aae8d24b
SSDEEP

24576:Qdla9gYmncCehCF2BEwT/5PrQLeOjQ8WEA48VEfxnvt:yQ9R6ehTUPjjrSVEfxnl

Score

10^/10

blustealer discovery stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
restd.xyz
Port:
587
Username:
[email protected]
Password:
3a-XMb^)jn=T

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer

Executes dropped EXE 1 IoCs

pid	Process
1996	snto.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2256 set thread context of 2916	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	30

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	snto.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
2600	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe
Token: SeDebugPrivilege	1996	snto.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2916	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2916	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2916	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2916	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2916	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2916	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2916	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2916	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2916	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2916	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2852	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	31
PID 2256 wrote to memory of 2852	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	31
PID 2256 wrote to memory of 2852	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	31
PID 2256 wrote to memory of 2852	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	31
PID 2256 wrote to memory of 1148	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	32
PID 2256 wrote to memory of 1148	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	32
PID 2256 wrote to memory of 1148	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	32
PID 2256 wrote to memory of 1148	2256	38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe	32
PID 2852 wrote to memory of 2600	2852	cmd.exe	35
PID 2852 wrote to memory of 2600	2852	cmd.exe	35
PID 2852 wrote to memory of 2600	2852	cmd.exe	35
PID 2852 wrote to memory of 2600	2852	cmd.exe	35
PID 2248 wrote to memory of 1996	2248	taskeng.exe	38
PID 2248 wrote to memory of 1996	2248	taskeng.exe	38
PID 2248 wrote to memory of 1996	2248	taskeng.exe	38
PID 2248 wrote to memory of 1996	2248	taskeng.exe	38

C:\Users\Admin\AppData\Local\Temp\38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\AppData\Local\Temp\38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2916
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\snto\snto.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\snto\snto.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2600
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\38b37b2b72f6071cf8345c05af05fcee_JaffaCakes118.exe" "C:\Users\Admin\AppData\Roaming\snto\snto.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1148

C:\Windows\system32\taskeng.exe
taskeng.exe {6C7C8355-657C-4C0E-A7CF-D6357A5F40B2} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Roaming\snto\snto.exe
  C:\Users\Admin\AppData\Roaming\snto\snto.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\snto\snto.exe

Filesize
994KB

MD5
38b37b2b72f6071cf8345c05af05fcee

SHA1
2f42183fa45551194a1d1d0b5a10f0a91116212f

SHA256
960c5e14181f4b5bac1b82c9367860d6f30fa0a4e7cf848cd523b3a3b7268ece

SHA512
b56315744d10d81d2a393373dc65da93f0f4b2ba48253833d3faecd0ec7a550df3d80ab45d242dfa3e42c1728447b74492dc26b9c9a4ca66e3544cb1aae8d24b

Download Submit
memory/1996-21-0x0000000000B60000-0x0000000000C5E000-memory.dmp

Filesize
1016KB

Download
memory/2256-1-0x0000000000E90000-0x0000000000F8E000-memory.dmp

Filesize
1016KB

Download
memory/2256-2-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-3-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/2256-4-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/2916-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2916-6-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2916-13-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2916-11-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2916-18-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2916-7-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2916-5-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads