tinba | 29de10e39bbd750d454f547e47f430bfe5cca89b6d26fe6f4fec5f815a80de0b

Analysis

max time kernel
118s
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
16-01-2025 23:57

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General

Target

29de10e39bbd750d454f547e47f430bfe5cca89b6d26fe6f4fec5f815a80de0bN.exe
Size

45KB
MD5

70b31986953644b8fabe2dd48cde3f20
SHA1

c32ab2cd06d8af181e8b2559e714dddf9c41499b
SHA256

29de10e39bbd750d454f547e47f430bfe5cca89b6d26fe6f4fec5f815a80de0b
SHA512

be6a66b287227c9586e33a2e5fa4c944f6ea91543ff6bde809813a7cd245f1a4b7fe6131fda7951d4a1be8ac021ed732872144c5bdd36344c990ee795a1de969
SSDEEP

768:ihP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:OsWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FFF38FEB = "C:\\Users\\Admin\\AppData\\Roaming\\FFF38FEB\\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/2748-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4120	1840	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	29de10e39bbd750d454f547e47f430bfe5cca89b6d26fe6f4fec5f815a80de0bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1840	winver.exe
1840	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1840	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 1840	2748	29de10e39bbd750d454f547e47f430bfe5cca89b6d26fe6f4fec5f815a80de0bN.exe	83
PID 2748 wrote to memory of 1840	2748	29de10e39bbd750d454f547e47f430bfe5cca89b6d26fe6f4fec5f815a80de0bN.exe	83
PID 2748 wrote to memory of 1840	2748	29de10e39bbd750d454f547e47f430bfe5cca89b6d26fe6f4fec5f815a80de0bN.exe	83
PID 2748 wrote to memory of 1840	2748	29de10e39bbd750d454f547e47f430bfe5cca89b6d26fe6f4fec5f815a80de0bN.exe	83
PID 1840 wrote to memory of 3452	1840	winver.exe	56
PID 1840 wrote to memory of 2644	1840	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2644

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\29de10e39bbd750d454f547e47f430bfe5cca89b6d26fe6f4fec5f815a80de0bN.exe
  "C:\Users\Admin\AppData\Local\Temp\29de10e39bbd750d454f547e47f430bfe5cca89b6d26fe6f4fec5f815a80de0bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2748
- - 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:1840
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 352
      4⤵
      Program crash
      PID:4120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1840 -ip 1840
1⤵
PID:2304

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/1840-5-0x0000000077502000-0x0000000077503000-memory.dmp

Filesize
4KB

Download
memory/1840-14-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/1840-11-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/1840-7-0x00007FF9F38D0000-0x00007FF9F3AC5000-memory.dmp

Filesize
2.0MB

Download
memory/2644-13-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2748-9-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/2748-4-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/2748-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2748-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2748-1-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/3452-6-0x00007FF9F396D000-0x00007FF9F396E000-memory.dmp

Filesize
4KB

Download
memory/3452-2-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/3452-3-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download