tinba | 13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128b

Analysis

max time kernel
146s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 23:23

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General

Target

13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128bN.exe
Size

89KB
MD5

885c1fb132c891559083cd0a8a60af10
SHA1

1f4ad1865870427eeebb1aec80ebdf4a4ee8202f
SHA256

13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128b
SHA512

4f4508609ccb041d7bd69ce88a89492223277ab58fb203767eab4c84460e2883e1468f9555bdcd394f696993aab9b07be0c9735f571c48f44809d7fd9a8c7e29
SSDEEP

1536:91+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7a:f+4MJIkLZJNAQ9Jo9a

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1BAEB0B6 = "C:\\Users\\Admin\\AppData\\Roaming\\1BAEB0B6\\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/4884-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4496	4936	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	13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4936	winver.exe
4936	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4936	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 4936	4884	13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128bN.exe	83
PID 4884 wrote to memory of 4936	4884	13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128bN.exe	83
PID 4884 wrote to memory of 4936	4884	13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128bN.exe	83
PID 4884 wrote to memory of 4936	4884	13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128bN.exe	83
PID 4936 wrote to memory of 3412	4936	winver.exe	56
PID 4936 wrote to memory of 2768	4936	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2768

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3412
- C:\Users\Admin\AppData\Local\Temp\13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128bN.exe
  "C:\Users\Admin\AppData\Local\Temp\13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4884
- - 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:4936
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 352
      4⤵
      Program crash
      PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4936 -ip 4936
1⤵
PID:4492

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/2768-13-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/3412-6-0x00007FFA6550D000-0x00007FFA6550E000-memory.dmp

Filesize
4KB

Download
memory/3412-2-0x00000000011E0000-0x00000000011E6000-memory.dmp

Filesize
24KB

Download
memory/3412-3-0x00000000011E0000-0x00000000011E6000-memory.dmp

Filesize
24KB

Download
memory/4884-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4884-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4884-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4884-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4884-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/4936-5-0x0000000077462000-0x0000000077463000-memory.dmp

Filesize
4KB

Download
memory/4936-7-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/4936-11-0x0000000002640000-0x0000000002646000-memory.dmp

Filesize
24KB

Download
memory/4936-14-0x0000000002640000-0x0000000002646000-memory.dmp

Filesize
24KB

Download