tinba | 0c1738c8e87d403096c5137a67fb66bc6bbf19d5dbaf18028b3b5ab8dd6cdb20

Analysis

max time kernel
140s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 14:51

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General

Target

0c1738c8e87d403096c5137a67fb66bc6bbf19d5dbaf18028b3b5ab8dd6cdb20.exe
Size

146KB
MD5

7253a5dfc99934f965bb0aef560c9f2a
SHA1

0146b5fff483768f653e1171444b11dccdb58640
SHA256

0c1738c8e87d403096c5137a67fb66bc6bbf19d5dbaf18028b3b5ab8dd6cdb20
SHA512

be5eee4d1351fa77981df1019a01cb19301c11418470c151bc7f7ed1c1dbe32f7974bfe66eba79065c806a8ac35226e2c4e1745de7e1f722813673fc6ce57b8f
SSDEEP

1536:miLOvRmmQegJ3BbmAQ256/ZrwWnL8SOV7CW2YqjhOrmK6o8v0EL:miyvRmbLs/ZrwWL/OV7GjQqpo8lL

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\BD8765E0 = "C:\\Users\\Admin\\AppData\\Roaming\\BD8765E0\\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/2936-0-0x0000000000400000-0x0000000000425000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
212	4912	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	0c1738c8e87d403096c5137a67fb66bc6bbf19d5dbaf18028b3b5ab8dd6cdb20.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	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	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 2936 wrote to memory of 4912	2936	0c1738c8e87d403096c5137a67fb66bc6bbf19d5dbaf18028b3b5ab8dd6cdb20.exe	83
PID 2936 wrote to memory of 4912	2936	0c1738c8e87d403096c5137a67fb66bc6bbf19d5dbaf18028b3b5ab8dd6cdb20.exe	83
PID 2936 wrote to memory of 4912	2936	0c1738c8e87d403096c5137a67fb66bc6bbf19d5dbaf18028b3b5ab8dd6cdb20.exe	83
PID 2936 wrote to memory of 4912	2936	0c1738c8e87d403096c5137a67fb66bc6bbf19d5dbaf18028b3b5ab8dd6cdb20.exe	83
PID 4912 wrote to memory of 3432	4912	winver.exe	56
PID 4912 wrote to memory of 2924	4912	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\0c1738c8e87d403096c5137a67fb66bc6bbf19d5dbaf18028b3b5ab8dd6cdb20.exe
  "C:\Users\Admin\AppData\Local\Temp\0c1738c8e87d403096c5137a67fb66bc6bbf19d5dbaf18028b3b5ab8dd6cdb20.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2936
- - 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:212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4912 -ip 4912
1⤵
PID:4116

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/2936-8-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2936-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/2936-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2936-4-0x0000000002150000-0x0000000002B50000-memory.dmp

Filesize
10.0MB

Download
memory/2936-9-0x0000000002150000-0x0000000002B50000-memory.dmp

Filesize
10.0MB

Download
memory/3432-3-0x0000000000160000-0x0000000000166000-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/4912-7-0x00007FFB51890000-0x00007FFB51A85000-memory.dmp

Filesize
2.0MB

Download
memory/4912-5-0x0000000077C92000-0x0000000077C93000-memory.dmp

Filesize
4KB

Download
memory/4912-11-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/4912-14-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download