tinba | d12b242d0a43a98e196199befcffd5579c38055cb5b370e8211ca5525513776e

Analysis

max time kernel
103s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/09/2024, 04:11

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General

Target
d12b242d0a43a98e196199befcffd5579c38055cb5b370e8211ca5525513776eN.exe
Size 160KB
Sample240922-ery27a1fla
SHA256 d12b242d0a43a98e196199befcffd5579c38055cb5b370e8211ca5525513776e
MD5 6a1f51b173a7d187e794627e82483000
SHA1 2eefaebc3998f60eadcab9734f5bba72f09c7fa3
SHA512 cd2dd870d9e4bde240b58285b9f229fed90c244f54e34dafd80cc9941a5256cb8c25dd61e2fb5a3f577d025f17434166667f6f564da656cd33017fa886fb93ba
SSDEEP 1536:hEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:qY+4MiIkLZJNAQ9J6v
MD5 SHA1 SHA512 SSDEEP

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4912-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6213D0F1 = "C:\\Users\\Admin\\AppData\\Roaming\\6213D0F1\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2788	2676	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	d12b242d0a43a98e196199befcffd5579c38055cb5b370e8211ca5525513776eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2676	winver.exe
2676	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2676	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 2676	4912	d12b242d0a43a98e196199befcffd5579c38055cb5b370e8211ca5525513776eN.exe	83
PID 4912 wrote to memory of 2676	4912	d12b242d0a43a98e196199befcffd5579c38055cb5b370e8211ca5525513776eN.exe	83
PID 4912 wrote to memory of 2676	4912	d12b242d0a43a98e196199befcffd5579c38055cb5b370e8211ca5525513776eN.exe	83
PID 4912 wrote to memory of 2676	4912	d12b242d0a43a98e196199befcffd5579c38055cb5b370e8211ca5525513776eN.exe	83
PID 2676 wrote to memory of 3436	2676	winver.exe	56
PID 2676 wrote to memory of 3016	2676	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3016

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\d12b242d0a43a98e196199befcffd5579c38055cb5b370e8211ca5525513776eN.exe
  "C:\Users\Admin\AppData\Local\Temp\d12b242d0a43a98e196199befcffd5579c38055cb5b370e8211ca5525513776eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4912
- - 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:2676
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 352
      4⤵
      Program crash
      PID:2788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2676 -ip 2676
1⤵
PID:4848

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

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Downloads

memory/2676-5-0x0000000077432000-0x0000000077433000-memory.dmp

Download

memory/2676-15-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

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memory/2676-12-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

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memory/2676-7-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

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memory/3016-14-0x00000000006F0000-0x00000000006F6000-memory.dmp

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memory/3436-3-0x0000000001080000-0x0000000001086000-memory.dmp

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memory/3436-6-0x00007FFF4676D000-0x00007FFF4676E000-memory.dmp

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memory/3436-2-0x0000000001080000-0x0000000001086000-memory.dmp

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memory/4912-4-0x0000000002080000-0x0000000002A80000-memory.dmp

Download

memory/4912-10-0x0000000002080000-0x0000000002A80000-memory.dmp

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memory/4912-9-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/4912-0-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/4912-1-0x0000000000540000-0x0000000000541000-memory.dmp

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