tinba | 8d4aa7c67142650ddb1ea7175a9e5a404d2ec959eaa6e4b7db9f78b897d70719

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2025 16:20

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General

Target

JaffaCakes118_ccb96c1c27772422a8b12a701dd20513.exe
Size

160KB
MD5

ccb96c1c27772422a8b12a701dd20513
SHA1

1cfac3318b08a72017cf17162dd66c8029de25b0
SHA256

8d4aa7c67142650ddb1ea7175a9e5a404d2ec959eaa6e4b7db9f78b897d70719
SHA512

30bf0ddee1e4ba9cd21ddf45d5a672f1e2025296490c81e2b6567fd9306c7597b1fb77e1749809022959261f72f5202f527bb94db74ddeeb3f1016a6b724f219
SSDEEP

1536:rEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:YY+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\F89DA59F = "C:\\Users\\Admin\\AppData\\Roaming\\F89DA59F\\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/3644-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2184	5092	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_ccb96c1c27772422a8b12a701dd20513.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5092	winver.exe
5092	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5092	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 5092	3644	JaffaCakes118_ccb96c1c27772422a8b12a701dd20513.exe	83
PID 3644 wrote to memory of 5092	3644	JaffaCakes118_ccb96c1c27772422a8b12a701dd20513.exe	83
PID 3644 wrote to memory of 5092	3644	JaffaCakes118_ccb96c1c27772422a8b12a701dd20513.exe	83
PID 3644 wrote to memory of 5092	3644	JaffaCakes118_ccb96c1c27772422a8b12a701dd20513.exe	83
PID 5092 wrote to memory of 3356	5092	winver.exe	56
PID 5092 wrote to memory of 2544	5092	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2544

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3356
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ccb96c1c27772422a8b12a701dd20513.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ccb96c1c27772422a8b12a701dd20513.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3644
- - 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:5092
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 352
      4⤵
      Program crash
      PID:2184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 5092 -ip 5092
1⤵
PID:4632

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/2544-14-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3356-7-0x00007FFD07CED000-0x00007FFD07CEE000-memory.dmp

Filesize
4KB

Download
memory/3356-3-0x00000000026F0000-0x00000000026F6000-memory.dmp

Filesize
24KB

Download
memory/3356-2-0x00000000026F0000-0x00000000026F6000-memory.dmp

Filesize
24KB

Download
memory/3644-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3644-4-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/3644-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3644-10-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/3644-1-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/5092-6-0x0000000077EA2000-0x0000000077EA3000-memory.dmp

Filesize
4KB

Download
memory/5092-5-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/5092-8-0x00007FFD07C50000-0x00007FFD07E45000-memory.dmp

Filesize
2.0MB

Download
memory/5092-15-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download