tinba | 711e5f7d02ea3c0ea025766056876ef5cadaab58e76f611de5e0ef39b3e2fb19

Analysis

max time kernel
96s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 08:49

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General

Target

711e5f7d02ea3c0ea025766056876ef5cadaab58e76f611de5e0ef39b3e2fb19N.exe
Size

45KB
MD5

5f8c9198fae03caf76faa7bbc42bae10
SHA1

44e73cb28c0db2be25628f8ce6b42c0b45e51a6e
SHA256

711e5f7d02ea3c0ea025766056876ef5cadaab58e76f611de5e0ef39b3e2fb19
SHA512

8813201ae63d41f28b4f3f8f2dbc6e14e48dfc632fad9b8c7427979dea1a4974dc16b3ec1bd51f45007cd836995e824d18899e1342c8d52b814ccb189570683e
SSDEEP

768:uhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:isWE9N5dFu53dsniQaB/xZ14n7zIF+qh

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F04F42A7 = "C:\\Users\\Admin\\AppData\\Roaming\\F04F42A7\\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/2232-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4976	4924	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	711e5f7d02ea3c0ea025766056876ef5cadaab58e76f611de5e0ef39b3e2fb19N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4924	winver.exe
4924	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4924	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 4924	2232	711e5f7d02ea3c0ea025766056876ef5cadaab58e76f611de5e0ef39b3e2fb19N.exe	84
PID 2232 wrote to memory of 4924	2232	711e5f7d02ea3c0ea025766056876ef5cadaab58e76f611de5e0ef39b3e2fb19N.exe	84
PID 2232 wrote to memory of 4924	2232	711e5f7d02ea3c0ea025766056876ef5cadaab58e76f611de5e0ef39b3e2fb19N.exe	84
PID 2232 wrote to memory of 4924	2232	711e5f7d02ea3c0ea025766056876ef5cadaab58e76f611de5e0ef39b3e2fb19N.exe	84
PID 4924 wrote to memory of 3440	4924	winver.exe	56
PID 4924 wrote to memory of 2612	4924	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
- C:\Users\Admin\AppData\Local\Temp\711e5f7d02ea3c0ea025766056876ef5cadaab58e76f611de5e0ef39b3e2fb19N.exe
  "C:\Users\Admin\AppData\Local\Temp\711e5f7d02ea3c0ea025766056876ef5cadaab58e76f611de5e0ef39b3e2fb19N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2232
- - 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:4924
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4924 -s 352
      4⤵
      Program crash
      PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4924 -ip 4924
1⤵
PID:2204

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/2232-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2232-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2232-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2232-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/2232-9-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/2612-13-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/3440-2-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download
memory/3440-6-0x00007FFFC400D000-0x00007FFFC400E000-memory.dmp

Filesize
4KB

Download
memory/3440-3-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download
memory/4924-7-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

Filesize
2.0MB

Download
memory/4924-5-0x0000000077A32000-0x0000000077A33000-memory.dmp

Filesize
4KB

Download
memory/4924-11-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/4924-14-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download