tinba | b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0

Analysis

max time kernel
108s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 09:42

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General

Target

b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe
Size

88KB
MD5

acdf07bf052773161227c24cbd13e8f0
SHA1

3c38c5f4b4ad0b9e590357e968bef34defe3879e
SHA256

b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0
SHA512

db0b75a1877985e7b251308fdb33d9c71723e1696979d0bf9ff4537019ae6212a9d0b4364cd2ad789852f9434cf398a35448a6c9e160fc3cfedd247daeae145c
SSDEEP

1536:9z44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsN:9zvokZR/KM/ysjwqWsN

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\58DD4014 = "C:\\Users\\Admin\\AppData\\Roaming\\58DD4014\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2480	3012	WerFault.exe	83

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	b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3012	winver.exe
3012	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3012	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 3012	4764	b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe	83
PID 4764 wrote to memory of 3012	4764	b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe	83
PID 4764 wrote to memory of 3012	4764	b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe	83
PID 4764 wrote to memory of 3012	4764	b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe	83
PID 3012 wrote to memory of 3536	3012	winver.exe	56
PID 3012 wrote to memory of 2652	3012	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
- C:\Users\Admin\AppData\Local\Temp\b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe
  "C:\Users\Admin\AppData\Local\Temp\b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4764
- - 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:3012
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 352
      4⤵
      Program crash
      PID:2480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3012 -ip 3012
1⤵
PID:1372

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/2652-11-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/2652-13-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3012-4-0x0000000077BD2000-0x0000000077BD3000-memory.dmp

Filesize
4KB

Download
memory/3012-6-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/3012-9-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/3012-12-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/3536-1-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/3536-2-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/3536-5-0x00007FF87446D000-0x00007FF87446E000-memory.dmp

Filesize
4KB

Download
memory/4764-0-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/4764-3-0x0000000002120000-0x0000000002B20000-memory.dmp

Filesize
10.0MB

Download
memory/4764-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download