tinba | 0b1275e97164748ab830f054c73efe775e7299dbd5dbca56494a303fe7e53cca

Analysis

max time kernel
114s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 04:33

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General

Target
0b1275e97164748ab830f054c73efe775e7299dbd5dbca56494a303fe7e53ccaN.exe
Size 45KB
Sample241005-e6zbhawarp
SHA256 0b1275e97164748ab830f054c73efe775e7299dbd5dbca56494a303fe7e53cca
MD5 b32807883f0462db07fac8196c3b8db0
SHA1 96b8e25a2d8732b2b48d241690d97d647794470c
SHA512 53bbca6ec582e041897a32f2d218b370290ebc5dd70428edf376b515d92ba9d24df74605ea9b4a932c49d2d48f92d74b73ff6443f794910580ede3157585f885
SSDEEP 768:OhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:CsWE9N5dFu53dsniQaB/xZ14n7zIF+qr
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

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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5FAA66F0 = "C:\\Users\\Admin\\AppData\\Roaming\\5FAA66F0\\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/2184-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4696	3948	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	0b1275e97164748ab830f054c73efe775e7299dbd5dbca56494a303fe7e53ccaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3948	winver.exe
3948	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3588	Explorer.EXE
Token: SeCreatePagefilePrivilege	3588	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3948	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 3948	2184	0b1275e97164748ab830f054c73efe775e7299dbd5dbca56494a303fe7e53ccaN.exe	83
PID 2184 wrote to memory of 3948	2184	0b1275e97164748ab830f054c73efe775e7299dbd5dbca56494a303fe7e53ccaN.exe	83
PID 2184 wrote to memory of 3948	2184	0b1275e97164748ab830f054c73efe775e7299dbd5dbca56494a303fe7e53ccaN.exe	83
PID 2184 wrote to memory of 3948	2184	0b1275e97164748ab830f054c73efe775e7299dbd5dbca56494a303fe7e53ccaN.exe	83
PID 3948 wrote to memory of 3588	3948	winver.exe	56
PID 3948 wrote to memory of 2580	3948	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2580

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3588
- C:\Users\Admin\AppData\Local\Temp\0b1275e97164748ab830f054c73efe775e7299dbd5dbca56494a303fe7e53ccaN.exe
  "C:\Users\Admin\AppData\Local\Temp\0b1275e97164748ab830f054c73efe775e7299dbd5dbca56494a303fe7e53ccaN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2184
- - 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:3948
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 352
      4⤵
      Program crash
      PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3948 -ip 3948
1⤵
PID:1204

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/2184-8-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/2184-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

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memory/2184-0-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/2184-4-0x0000000002310000-0x0000000002D10000-memory.dmp

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memory/2184-9-0x0000000002310000-0x0000000002D10000-memory.dmp

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memory/2580-13-0x00000000007B0000-0x00000000007B6000-memory.dmp

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memory/3588-3-0x0000000002820000-0x0000000002826000-memory.dmp

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memory/3588-6-0x00007FF8C5E4D000-0x00007FF8C5E4E000-memory.dmp

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memory/3588-2-0x0000000002820000-0x0000000002826000-memory.dmp

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memory/3948-7-0x00007FF8C5DB0000-0x00007FF8C5FA5000-memory.dmp

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memory/3948-5-0x0000000077812000-0x0000000077813000-memory.dmp

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memory/3948-11-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

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memory/3948-14-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

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