tinba | 2bdb3c9dab9f8fd3b60ff99d0b8012fd4a40c349bf2c4b0d9065c57a1d7e86f1

Analysis

max time kernel
148s
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
05-01-2025 07:27

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General

Target

JaffaCakes118_944a119a91cde13e7f6df8c45262aea2.exe
Size

160KB
MD5

944a119a91cde13e7f6df8c45262aea2
SHA1

236d4cd46ea7d207e396986e4efc8a371dd70ca0
SHA256

2bdb3c9dab9f8fd3b60ff99d0b8012fd4a40c349bf2c4b0d9065c57a1d7e86f1
SHA512

0e82747048bc7e1af784adeebb4a111f0bd65ad9a9f13c3dd664785ac43e55a4cfed4372c1c46ce1d229eb60b3f8dedbf574623346e032ebc4134dccc60952a9
SSDEEP

1536:cEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:/Y+4MiIkLZJNAQ9J6v

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E6B82ED8 = "C:\\Users\\Admin\\AppData\\Roaming\\E6B82ED8\\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/748-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2724	2400	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	JaffaCakes118_944a119a91cde13e7f6df8c45262aea2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2400	winver.exe
2400	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2400	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 2400	748	JaffaCakes118_944a119a91cde13e7f6df8c45262aea2.exe	83
PID 748 wrote to memory of 2400	748	JaffaCakes118_944a119a91cde13e7f6df8c45262aea2.exe	83
PID 748 wrote to memory of 2400	748	JaffaCakes118_944a119a91cde13e7f6df8c45262aea2.exe	83
PID 748 wrote to memory of 2400	748	JaffaCakes118_944a119a91cde13e7f6df8c45262aea2.exe	83
PID 2400 wrote to memory of 3424	2400	winver.exe	56
PID 2400 wrote to memory of 2992	2400	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2992

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_944a119a91cde13e7f6df8c45262aea2.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_944a119a91cde13e7f6df8c45262aea2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:748
- - 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:2400
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 352
      4⤵
      Program crash
      PID:2724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2400 -ip 2400
1⤵
PID:2816

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/748-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/748-1-0x0000000002030000-0x0000000002031000-memory.dmp

Filesize
4KB

Download
memory/748-9-0x0000000002110000-0x0000000002B10000-memory.dmp

Filesize
10.0MB

Download
memory/748-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/748-4-0x0000000002110000-0x0000000002B10000-memory.dmp

Filesize
10.0MB

Download
memory/2400-5-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/2400-7-0x00007FFD73DD0000-0x00007FFD73FC5000-memory.dmp

Filesize
2.0MB

Download
memory/2400-11-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/2400-14-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/2992-13-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/2992-15-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x00007FFD73E6D000-0x00007FFD73E6E000-memory.dmp

Filesize
4KB

Download
memory/3424-2-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/3424-3-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download