tinba | 3837f7a016f9beba641df930d12bba6a97e151d2f37c7eee7c82588a82990aa8

Analysis

max time kernel
138s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-01-2025 21:03

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General

Target

3837f7a016f9beba641df930d12bba6a97e151d2f37c7eee7c82588a82990aa8.exe
Size

110KB
MD5

72168fb4e9f81c17b89a207181e19aaa
SHA1

848e8f5daa50cc1cd460d73f3bf1f956e574a7c4
SHA256

3837f7a016f9beba641df930d12bba6a97e151d2f37c7eee7c82588a82990aa8
SHA512

58a8e302faa178d21fe1df02091885a4e56a40dd3d355a2d48ba59183a8fe7e34965b3ad4ebd5d846b75456aeff7eaca8e27f51865aac588b0056921397a5d16
SSDEEP

1536:HiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:HiyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0782F9D7 = "C:\\Users\\Admin\\AppData\\Roaming\\0782F9D7\\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/1852-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1348	4628	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3837f7a016f9beba641df930d12bba6a97e151d2f37c7eee7c82588a82990aa8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4628	winver.exe
4628	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
4628	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 4628	1852	3837f7a016f9beba641df930d12bba6a97e151d2f37c7eee7c82588a82990aa8.exe	84
PID 1852 wrote to memory of 4628	1852	3837f7a016f9beba641df930d12bba6a97e151d2f37c7eee7c82588a82990aa8.exe	84
PID 1852 wrote to memory of 4628	1852	3837f7a016f9beba641df930d12bba6a97e151d2f37c7eee7c82588a82990aa8.exe	84
PID 1852 wrote to memory of 4628	1852	3837f7a016f9beba641df930d12bba6a97e151d2f37c7eee7c82588a82990aa8.exe	84
PID 4628 wrote to memory of 3440	4628	winver.exe	56
PID 4628 wrote to memory of 692	4628	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:692

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
- C:\Users\Admin\AppData\Local\Temp\3837f7a016f9beba641df930d12bba6a97e151d2f37c7eee7c82588a82990aa8.exe
  "C:\Users\Admin\AppData\Local\Temp\3837f7a016f9beba641df930d12bba6a97e151d2f37c7eee7c82588a82990aa8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1852
- - 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:4628
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 352
      4⤵
      Program crash
      PID:1348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4628 -ip 4628
1⤵
PID:2784

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/692-13-0x0000000000C20000-0x0000000000C26000-memory.dmp

Filesize
24KB

Download
memory/1852-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1852-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/1852-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1852-4-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/1852-9-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/3440-2-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download
memory/3440-6-0x00007FFF44D2D000-0x00007FFF44D2E000-memory.dmp

Filesize
4KB

Download
memory/3440-3-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download
memory/4628-5-0x0000000077252000-0x0000000077253000-memory.dmp

Filesize
4KB

Download
memory/4628-7-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/4628-11-0x0000000002B70000-0x0000000002B76000-memory.dmp

Filesize
24KB

Download
memory/4628-14-0x0000000002B70000-0x0000000002B76000-memory.dmp

Filesize
24KB

Download