tinba | 5b2930f1c0cc9a040aee1c14eb6fa61072cc45d881994ed2975f6fd2354d8dde

Analysis

max time kernel
138s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2025, 23:31

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General

Target

5b2930f1c0cc9a040aee1c14eb6fa61072cc45d881994ed2975f6fd2354d8dde.exe
Size

45KB
MD5

464eb4496887986478c8e366d59be460
SHA1

d1e63bb49b66b5d72b9a6327111f84f21d3b3204
SHA256

5b2930f1c0cc9a040aee1c14eb6fa61072cc45d881994ed2975f6fd2354d8dde
SHA512

6b6e10cd32d717f43bdc8b469dc57e6871a182a6990bac7b01f8792359c51d7d3c6ff11bdb21af0c874a59081568e840952124bd794d87b179e54b249e748556
SSDEEP

768:6hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ29:2sWE9N5dFu53dsniQaB/xZ14n7zIF+qB

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B2809B2E = "C:\\Users\\Admin\\AppData\\Roaming\\B2809B2E\\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/744-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3880	4912	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	5b2930f1c0cc9a040aee1c14eb6fa61072cc45d881994ed2975f6fd2354d8dde.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4912	winver.exe
4912	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
4912	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 4912	744	5b2930f1c0cc9a040aee1c14eb6fa61072cc45d881994ed2975f6fd2354d8dde.exe	84
PID 744 wrote to memory of 4912	744	5b2930f1c0cc9a040aee1c14eb6fa61072cc45d881994ed2975f6fd2354d8dde.exe	84
PID 744 wrote to memory of 4912	744	5b2930f1c0cc9a040aee1c14eb6fa61072cc45d881994ed2975f6fd2354d8dde.exe	84
PID 744 wrote to memory of 4912	744	5b2930f1c0cc9a040aee1c14eb6fa61072cc45d881994ed2975f6fd2354d8dde.exe	84
PID 4912 wrote to memory of 3436	4912	winver.exe	56
PID 4912 wrote to memory of 3008	4912	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3008

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\5b2930f1c0cc9a040aee1c14eb6fa61072cc45d881994ed2975f6fd2354d8dde.exe
  "C:\Users\Admin\AppData\Local\Temp\5b2930f1c0cc9a040aee1c14eb6fa61072cc45d881994ed2975f6fd2354d8dde.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:744
- - 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:4912
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 352
      4⤵
      Program crash
      PID:3880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4912 -ip 4912
1⤵
PID:2484

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/744-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/744-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/744-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/744-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/744-9-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3008-13-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x00000000009A0000-0x00000000009A6000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00007FFB6574D000-0x00007FFB6574E000-memory.dmp

Filesize
4KB

Download
memory/3436-3-0x00000000009A0000-0x00000000009A6000-memory.dmp

Filesize
24KB

Download
memory/4912-7-0x00007FFB656B0000-0x00007FFB658A5000-memory.dmp

Filesize
2.0MB

Download
memory/4912-5-0x0000000077A22000-0x0000000077A23000-memory.dmp

Filesize
4KB

Download
memory/4912-11-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download
memory/4912-14-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download