tinba | 6b68725c8e2651cb4f75f78cca70b82ace8ba9fbde16f8f7bcc6091dccebee89

Analysis

max time kernel
145s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 23:12

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General

Target

JaffaCakes118_3ff8b37d262aa73604e6a780ba19966d.exe
Size

88KB
MD5

3ff8b37d262aa73604e6a780ba19966d
SHA1

0af212936187a3238f934a64a0a2054bf594aa05
SHA256

6b68725c8e2651cb4f75f78cca70b82ace8ba9fbde16f8f7bcc6091dccebee89
SHA512

d34855b20ac54d76492ce5c527e36bace2c039b01753441801c533d1d9c61a6041fdfc11132efeea340ef2aa98ced7dc2f237d21664fa12c55989bed29143fe7
SSDEEP

1536:Q5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:Q5fvp12UFKcD/6jwqWsN

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\75E49EFD = "C:\\Users\\Admin\\AppData\\Roaming\\75E49EFD\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1388	4556	WerFault.exe	85

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_3ff8b37d262aa73604e6a780ba19966d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4556	winver.exe
4556	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4556	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 4556	4312	JaffaCakes118_3ff8b37d262aa73604e6a780ba19966d.exe	85
PID 4312 wrote to memory of 4556	4312	JaffaCakes118_3ff8b37d262aa73604e6a780ba19966d.exe	85
PID 4312 wrote to memory of 4556	4312	JaffaCakes118_3ff8b37d262aa73604e6a780ba19966d.exe	85
PID 4312 wrote to memory of 4556	4312	JaffaCakes118_3ff8b37d262aa73604e6a780ba19966d.exe	85
PID 4556 wrote to memory of 3436	4556	winver.exe	56
PID 4556 wrote to memory of 2940	4556	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2940

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3ff8b37d262aa73604e6a780ba19966d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3ff8b37d262aa73604e6a780ba19966d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4312
- - 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:4556
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 352
      4⤵
      Program crash
      PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4556 -ip 4556
1⤵
PID:1160

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/2940-12-0x0000000000B50000-0x0000000000B56000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/3436-1-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/3436-5-0x00007FFB79C4D000-0x00007FFB79C4E000-memory.dmp

Filesize
4KB

Download
memory/4312-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4312-3-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4312-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4312-8-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4556-4-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download
memory/4556-6-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/4556-10-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download
memory/4556-13-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download