tinba | 9e4cd5fdba48d2d19eb338bc92aa6f2ebc3063db5be26c24d20c7a957cad1f6d

Analysis

max time kernel
146s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 10:45

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General

Target

9e4cd5fdba48d2d19eb338bc92aa6f2ebc3063db5be26c24d20c7a957cad1f6d.exe
Size

45KB
MD5

95ae4cf5ea1039b60fdce34dec63f6d8
SHA1

6d08de970e1ad567202337fc435efdb517828ae3
SHA256

9e4cd5fdba48d2d19eb338bc92aa6f2ebc3063db5be26c24d20c7a957cad1f6d
SHA512

6119df901bff494f3a31e64854fab0e6e73c5dc6846033de95391871710992ff3fffe9f38fb4d843c6332e7a7acff7d16c12b1a38b47c9139f17c88749bd5bf5
SSDEEP

768:DhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:VsWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1EE8EF4F = "C:\\Users\\Admin\\AppData\\Roaming\\1EE8EF4F\\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/4892-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
116	2552	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	9e4cd5fdba48d2d19eb338bc92aa6f2ebc3063db5be26c24d20c7a957cad1f6d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2552	winver.exe
2552	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
2552	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 2552	4892	9e4cd5fdba48d2d19eb338bc92aa6f2ebc3063db5be26c24d20c7a957cad1f6d.exe	84
PID 4892 wrote to memory of 2552	4892	9e4cd5fdba48d2d19eb338bc92aa6f2ebc3063db5be26c24d20c7a957cad1f6d.exe	84
PID 4892 wrote to memory of 2552	4892	9e4cd5fdba48d2d19eb338bc92aa6f2ebc3063db5be26c24d20c7a957cad1f6d.exe	84
PID 4892 wrote to memory of 2552	4892	9e4cd5fdba48d2d19eb338bc92aa6f2ebc3063db5be26c24d20c7a957cad1f6d.exe	84
PID 2552 wrote to memory of 3432	2552	winver.exe	56
PID 2552 wrote to memory of 3028	2552	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3028

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\9e4cd5fdba48d2d19eb338bc92aa6f2ebc3063db5be26c24d20c7a957cad1f6d.exe
  "C:\Users\Admin\AppData\Local\Temp\9e4cd5fdba48d2d19eb338bc92aa6f2ebc3063db5be26c24d20c7a957cad1f6d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4892
- - 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:2552
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 352
      4⤵
      Program crash
      PID:116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2552 -ip 2552
1⤵
PID:2728

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/2552-6-0x00000000772B2000-0x00000000772B3000-memory.dmp

Filesize
4KB

Download
memory/2552-16-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/2552-9-0x00007FFE4EE10000-0x00007FFE4F005000-memory.dmp

Filesize
2.0MB

Download
memory/2552-5-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3028-15-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/3432-2-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3432-7-0x00007FFE4EEAD000-0x00007FFE4EEAE000-memory.dmp

Filesize
4KB

Download
memory/3432-8-0x00007FFE4EEAC000-0x00007FFE4EEAD000-memory.dmp

Filesize
4KB

Download
memory/3432-3-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/4892-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/4892-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4892-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4892-11-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/4892-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download