tinba | 1cba2c030dd6f508b29b0c8ae6464c84256c049558f8124f958716733cbf2a89

Analysis

max time kernel
109s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 11:28

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General

Target

1cba2c030dd6f508b29b0c8ae6464c84256c049558f8124f958716733cbf2a89.exe
Size

110KB
MD5

0666f9fa8cc953d85a7dd0929f1abe53
SHA1

3c603b7af893b2ad1781d7bba65e9e6925ada136
SHA256

1cba2c030dd6f508b29b0c8ae6464c84256c049558f8124f958716733cbf2a89
SHA512

b0362746d10d9e6bb70920a5173519e00a9aea02ea63c24cb618e47b6638563ce3d6abfb9563a093d95073374ee2540597158f11a041a88ce89fe6a90869048e
SSDEEP

1536:PiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:PiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9FA82A19 = "C:\\Users\\Admin\\AppData\\Roaming\\9FA82A19\\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/4964-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1884	5032	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	1cba2c030dd6f508b29b0c8ae6464c84256c049558f8124f958716733cbf2a89.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5032	winver.exe
5032	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
5032	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 5032	4964	1cba2c030dd6f508b29b0c8ae6464c84256c049558f8124f958716733cbf2a89.exe	83
PID 4964 wrote to memory of 5032	4964	1cba2c030dd6f508b29b0c8ae6464c84256c049558f8124f958716733cbf2a89.exe	83
PID 4964 wrote to memory of 5032	4964	1cba2c030dd6f508b29b0c8ae6464c84256c049558f8124f958716733cbf2a89.exe	83
PID 4964 wrote to memory of 5032	4964	1cba2c030dd6f508b29b0c8ae6464c84256c049558f8124f958716733cbf2a89.exe	83
PID 5032 wrote to memory of 3432	5032	winver.exe	56
PID 5032 wrote to memory of 2852	5032	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2852

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\1cba2c030dd6f508b29b0c8ae6464c84256c049558f8124f958716733cbf2a89.exe
  "C:\Users\Admin\AppData\Local\Temp\1cba2c030dd6f508b29b0c8ae6464c84256c049558f8124f958716733cbf2a89.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4964
- - 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:5032
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 356
      4⤵
      Program crash
      PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5032 -ip 5032
1⤵
PID:2088

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/2852-13-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFCE830D000-0x00007FFCE830E000-memory.dmp

Filesize
4KB

Download
memory/3432-3-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/3432-2-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/4964-9-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/4964-4-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/4964-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4964-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4964-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/5032-5-0x0000000077112000-0x0000000077113000-memory.dmp

Filesize
4KB

Download
memory/5032-7-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/5032-11-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/5032-14-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download