tinba | 61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2025 11:29

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General

Target

61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe
Size

45KB
MD5

b2289f14970544b87384971dc23aa849
SHA1

ff550b78841fec02c6c4b576938abeac0a50e683
SHA256

61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64
SHA512

9515195e41a11763fef575b1c2d440708d703354ba98bc24f66b51bd7a633b20dded74d4ae585950792ed5310f5c4bfa2e81e7126ba2517de352dcda64f3dc65
SSDEEP

768:yhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:+sWE9N5dFu53dsniQaB/xZ14n7zIF+qD

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B37F96A6 = "C:\\Users\\Admin\\AppData\\Roaming\\B37F96A6\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3996-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4512	632	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	61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
632	winver.exe
632	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3592	Explorer.EXE
Token: SeCreatePagefilePrivilege	3592	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
632	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 632	3996	61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe	84
PID 3996 wrote to memory of 632	3996	61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe	84
PID 3996 wrote to memory of 632	3996	61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe	84
PID 3996 wrote to memory of 632	3996	61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe	84
PID 632 wrote to memory of 3592	632	winver.exe	56
PID 632 wrote to memory of 2568	632	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2568

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3592
- C:\Users\Admin\AppData\Local\Temp\61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe
  "C:\Users\Admin\AppData\Local\Temp\61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3996
- - 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:632
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 352
      4⤵
      Program crash
      PID:4512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 632 -ip 632
1⤵
PID:4732

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/632-12-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/632-15-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/632-5-0x00000000779A2000-0x00000000779A3000-memory.dmp

Filesize
4KB

Download
memory/632-7-0x00007FFDAD350000-0x00007FFDAD545000-memory.dmp

Filesize
2.0MB

Download
memory/2568-14-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/3592-3-0x00000000010C0000-0x00000000010C6000-memory.dmp

Filesize
24KB

Download
memory/3592-2-0x00000000010C0000-0x00000000010C6000-memory.dmp

Filesize
24KB

Download
memory/3592-6-0x00007FFDAD3ED000-0x00007FFDAD3EE000-memory.dmp

Filesize
4KB

Download
memory/3996-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/3996-10-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/3996-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3996-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3996-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download