tinba | 0ccb8668ed835a95de2b775636085e084337be65155855e04476c8b8a4b91f62

Analysis

max time kernel
111s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 03:34

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General

Target

0ccb8668ed835a95de2b775636085e084337be65155855e04476c8b8a4b91f62.exe
Size

110KB
MD5

5333815e76ee5a8c74d9d0547d7a75a6
SHA1

222721bb4e35522cecf49547ffe745f63c3ae62f
SHA256

0ccb8668ed835a95de2b775636085e084337be65155855e04476c8b8a4b91f62
SHA512

c781158c35822cd5598f9719d4ce10d62b343a4bb35315437704d83f7b7e296f682b159144c188d80ee4039678975b2f164b9acd6208fbf148335171bd0d2a45
SSDEEP

1536:2iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:2iyvRmDLs/ZrwWJjAqGcRJ2hw

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\0C6F36D7 = "C:\\Users\\Admin\\AppData\\Roaming\\0C6F36D7\\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/3612-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1892	3860	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	0ccb8668ed835a95de2b775636085e084337be65155855e04476c8b8a4b91f62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3860	winver.exe
3860	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3860	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 3860	3612	0ccb8668ed835a95de2b775636085e084337be65155855e04476c8b8a4b91f62.exe	84
PID 3612 wrote to memory of 3860	3612	0ccb8668ed835a95de2b775636085e084337be65155855e04476c8b8a4b91f62.exe	84
PID 3612 wrote to memory of 3860	3612	0ccb8668ed835a95de2b775636085e084337be65155855e04476c8b8a4b91f62.exe	84
PID 3612 wrote to memory of 3860	3612	0ccb8668ed835a95de2b775636085e084337be65155855e04476c8b8a4b91f62.exe	84
PID 3860 wrote to memory of 3444	3860	winver.exe	56
PID 3860 wrote to memory of 2832	3860	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\0ccb8668ed835a95de2b775636085e084337be65155855e04476c8b8a4b91f62.exe
  "C:\Users\Admin\AppData\Local\Temp\0ccb8668ed835a95de2b775636085e084337be65155855e04476c8b8a4b91f62.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3612
- - 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:3860
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3860 -s 352
      4⤵
      Program crash
      PID:1892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3860 -ip 3860
1⤵
PID:3988

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/2832-13-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FFAB51ED000-0x00007FFAB51EE000-memory.dmp

Filesize
4KB

Download
memory/3444-2-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/3444-3-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/3612-9-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/3612-4-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/3612-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3612-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3612-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/3860-5-0x0000000076F02000-0x0000000076F03000-memory.dmp

Filesize
4KB

Download
memory/3860-7-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/3860-11-0x0000000002BE0000-0x0000000002BE6000-memory.dmp

Filesize
24KB

Download
memory/3860-14-0x0000000002BE0000-0x0000000002BE6000-memory.dmp

Filesize
24KB

Download