tinba | 001b1eb14f2033dba270a7b48700bb2acd7d8a7bffd75ed64cc7b28f9b3ad775

Analysis

max time kernel
107s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 07:35

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General

Target

001b1eb14f2033dba270a7b48700bb2acd7d8a7bffd75ed64cc7b28f9b3ad775N.exe
Size

98KB
MD5

16b392bac458d6d35b3f185ba0067570
SHA1

b77aa8a2ecde49b34ffb0af7dd98f2e7315d4ad4
SHA256

001b1eb14f2033dba270a7b48700bb2acd7d8a7bffd75ed64cc7b28f9b3ad775
SHA512

d131f9d837972f075a075ce654905b3e698d2a309624692b08e52f4de450c9e2aa81277e61470052c0de1ca71aad3c0a3fa9de579f6fe5bfe3b0eb98d3717978
SSDEEP

768:X+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:X+mFM2HXKZgi9Iksu+XM57ipeq9JF

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3BE36D31 = "C:\\Users\\Admin\\AppData\\Roaming\\3BE36D31\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2792	4432	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 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	001b1eb14f2033dba270a7b48700bb2acd7d8a7bffd75ed64cc7b28f9b3ad775N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4432	winver.exe
4432	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4432	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 4432	4272	001b1eb14f2033dba270a7b48700bb2acd7d8a7bffd75ed64cc7b28f9b3ad775N.exe	84
PID 4272 wrote to memory of 4432	4272	001b1eb14f2033dba270a7b48700bb2acd7d8a7bffd75ed64cc7b28f9b3ad775N.exe	84
PID 4272 wrote to memory of 4432	4272	001b1eb14f2033dba270a7b48700bb2acd7d8a7bffd75ed64cc7b28f9b3ad775N.exe	84
PID 4272 wrote to memory of 4432	4272	001b1eb14f2033dba270a7b48700bb2acd7d8a7bffd75ed64cc7b28f9b3ad775N.exe	84
PID 4432 wrote to memory of 3556	4432	winver.exe	56
PID 4432 wrote to memory of 2664	4432	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2664

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3556
- C:\Users\Admin\AppData\Local\Temp\001b1eb14f2033dba270a7b48700bb2acd7d8a7bffd75ed64cc7b28f9b3ad775N.exe
  "C:\Users\Admin\AppData\Local\Temp\001b1eb14f2033dba270a7b48700bb2acd7d8a7bffd75ed64cc7b28f9b3ad775N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4272
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4432
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 352
      4⤵
      Program crash
      PID:2792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4432 -ip 4432
1⤵
PID:2616

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2664-12-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/3556-1-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download
memory/3556-2-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download
memory/3556-5-0x00007FFE1F66D000-0x00007FFE1F66E000-memory.dmp

Filesize
4KB

Download
memory/4272-0-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/4272-3-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/4272-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4272-8-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/4432-4-0x0000000077B52000-0x0000000077B53000-memory.dmp

Filesize
4KB

Download
memory/4432-6-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp

Filesize
2.0MB

Download
memory/4432-10-0x0000000000770000-0x0000000000776000-memory.dmp

Filesize
24KB

Download
memory/4432-13-0x0000000000770000-0x0000000000776000-memory.dmp

Filesize
24KB

Download