tinba | 1bb23cd2874c1c67da060b9643b00a6ae3de752aeb95a1fc85370d599da9660b

Analysis

max time kernel
113s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 15:25

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General

Target

1bb23cd2874c1c67da060b9643b00a6ae3de752aeb95a1fc85370d599da9660bN.exe
Size

110KB
MD5

a7e6cca44746f6c48ffc7d108a7e9310
SHA1

20e1881e5b900918eb758dc834a29aef71999a26
SHA256

1bb23cd2874c1c67da060b9643b00a6ae3de752aeb95a1fc85370d599da9660b
SHA512

d6c24ce029c504f44bfe0178ad085693ae90dc231cc9eee397160d84942e761913507c90a440d76bc1189797b25e124edb1e2470b5a3ee86db310595b0a40e4d
SSDEEP

1536:QiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:QiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A2A64687 = "C:\\Users\\Admin\\AppData\\Roaming\\A2A64687\\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/4144-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4072	4372	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	1bb23cd2874c1c67da060b9643b00a6ae3de752aeb95a1fc85370d599da9660bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4372	winver.exe
4372	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4372	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4144 wrote to memory of 4372	4144	1bb23cd2874c1c67da060b9643b00a6ae3de752aeb95a1fc85370d599da9660bN.exe	83
PID 4144 wrote to memory of 4372	4144	1bb23cd2874c1c67da060b9643b00a6ae3de752aeb95a1fc85370d599da9660bN.exe	83
PID 4144 wrote to memory of 4372	4144	1bb23cd2874c1c67da060b9643b00a6ae3de752aeb95a1fc85370d599da9660bN.exe	83
PID 4144 wrote to memory of 4372	4144	1bb23cd2874c1c67da060b9643b00a6ae3de752aeb95a1fc85370d599da9660bN.exe	83
PID 4372 wrote to memory of 3432	4372	winver.exe	56
PID 4372 wrote to memory of 2924	4372	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2924

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\1bb23cd2874c1c67da060b9643b00a6ae3de752aeb95a1fc85370d599da9660bN.exe
  "C:\Users\Admin\AppData\Local\Temp\1bb23cd2874c1c67da060b9643b00a6ae3de752aeb95a1fc85370d599da9660bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4144
- - 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:4372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 352
      4⤵
      Program crash
      PID:4072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4372 -ip 4372
1⤵
PID:3848

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/2924-13-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFB5192D000-0x00007FFB5192E000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/4144-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4144-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4144-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4144-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4144-1-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/4372-5-0x0000000077C92000-0x0000000077C93000-memory.dmp

Filesize
4KB

Download
memory/4372-7-0x00007FFB51890000-0x00007FFB51A85000-memory.dmp

Filesize
2.0MB

Download
memory/4372-11-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/4372-14-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download