tinba | c178f10337da03c1f13a402883b8b9d447d92543a75e435e16ab3841656a8382

Analysis

max time kernel
103s
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
28-11-2024 02:19

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General

Target

c178f10337da03c1f13a402883b8b9d447d92543a75e435e16ab3841656a8382.exe
Size

89KB
MD5

4bfe39c9c1c70db52cbf4ae51b018fb6
SHA1

dda499ab728163087869f70af77a427edb8f4b57
SHA256

c178f10337da03c1f13a402883b8b9d447d92543a75e435e16ab3841656a8382
SHA512

1f15f236300e17cfb381007d1273ef6b9d75c797a8023208c6d57b097e5e779700fc1ed8ab9d8de9c60213d8268484d609d8b425161629c6f28c867545e009b6
SSDEEP

1536:21+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7O:G+4MJIkLZJNAQ9Jo9O

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EAC0F70F = "C:\\Users\\Admin\\AppData\\Roaming\\EAC0F70F\\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/4356-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3964	840	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	c178f10337da03c1f13a402883b8b9d447d92543a75e435e16ab3841656a8382.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
840	winver.exe
840	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
840	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 840	4356	c178f10337da03c1f13a402883b8b9d447d92543a75e435e16ab3841656a8382.exe	83
PID 4356 wrote to memory of 840	4356	c178f10337da03c1f13a402883b8b9d447d92543a75e435e16ab3841656a8382.exe	83
PID 4356 wrote to memory of 840	4356	c178f10337da03c1f13a402883b8b9d447d92543a75e435e16ab3841656a8382.exe	83
PID 4356 wrote to memory of 840	4356	c178f10337da03c1f13a402883b8b9d447d92543a75e435e16ab3841656a8382.exe	83
PID 840 wrote to memory of 3420	840	winver.exe	56
PID 840 wrote to memory of 2988	840	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2988

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420
- C:\Users\Admin\AppData\Local\Temp\c178f10337da03c1f13a402883b8b9d447d92543a75e435e16ab3841656a8382.exe
  "C:\Users\Admin\AppData\Local\Temp\c178f10337da03c1f13a402883b8b9d447d92543a75e435e16ab3841656a8382.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4356
- - 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:840
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 356
      4⤵
      Program crash
      PID:3964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 840 -ip 840
1⤵
PID:3972

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/840-5-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/840-14-0x00000000012F0000-0x00000000012F6000-memory.dmp

Filesize
24KB

Download
memory/840-11-0x00000000012F0000-0x00000000012F6000-memory.dmp

Filesize
24KB

Download
memory/840-7-0x00007FFD4F370000-0x00007FFD4F565000-memory.dmp

Filesize
2.0MB

Download
memory/2988-13-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/3420-3-0x00000000015C0000-0x00000000015C6000-memory.dmp

Filesize
24KB

Download
memory/3420-6-0x00007FFD4F40D000-0x00007FFD4F40E000-memory.dmp

Filesize
4KB

Download
memory/3420-2-0x00000000015C0000-0x00000000015C6000-memory.dmp

Filesize
24KB

Download
memory/4356-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/4356-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4356-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/4356-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4356-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download