tinba | de6438dc1122c8dd4c8f88bf3d27d59552f2eea3214a696c33763265b16048f6

Analysis

max time kernel
146s
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
09-01-2025 12:41

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General

Target

JaffaCakes118_c85e65073323340617545983afd52d0c.exe
Size

88KB
MD5

c85e65073323340617545983afd52d0c
SHA1

d5a2ab9dca79c25215088c22ee50d0d034886858
SHA256

de6438dc1122c8dd4c8f88bf3d27d59552f2eea3214a696c33763265b16048f6
SHA512

8f8da4680551e8b50862dd8df5b32bfe49df179ea40714d953ea4eda7bb81306fb6a036b27f522ee9b06bbb22bea39e0a989a6d52423a018cd59acefa452d901
SSDEEP

1536:f5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:f5fvp12UFKcD/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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6BAE9683 = "C:\\Users\\Admin\\AppData\\Roaming\\6BAE9683\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1616	2936	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_c85e65073323340617545983afd52d0c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2936	winver.exe
2936	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2936	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 2936	3156	JaffaCakes118_c85e65073323340617545983afd52d0c.exe	83
PID 3156 wrote to memory of 2936	3156	JaffaCakes118_c85e65073323340617545983afd52d0c.exe	83
PID 3156 wrote to memory of 2936	3156	JaffaCakes118_c85e65073323340617545983afd52d0c.exe	83
PID 3156 wrote to memory of 2936	3156	JaffaCakes118_c85e65073323340617545983afd52d0c.exe	83
PID 2936 wrote to memory of 3540	2936	winver.exe	56
PID 2936 wrote to memory of 2568	2936	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2568

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3540
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c85e65073323340617545983afd52d0c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c85e65073323340617545983afd52d0c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3156
- - 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:2936
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 356
      4⤵
      Program crash
      PID:1616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2936 -ip 2936
1⤵
PID:3132

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/2568-12-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/2936-4-0x0000000077A82000-0x0000000077A83000-memory.dmp

Filesize
4KB

Download
memory/2936-6-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

Filesize
2.0MB

Download
memory/2936-10-0x0000000000D40000-0x0000000000D46000-memory.dmp

Filesize
24KB

Download
memory/2936-13-0x0000000000D40000-0x0000000000D46000-memory.dmp

Filesize
24KB

Download
memory/3156-0-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/3156-3-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3156-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3156-8-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3540-1-0x0000000002820000-0x0000000002826000-memory.dmp

Filesize
24KB

Download
memory/3540-2-0x0000000002820000-0x0000000002826000-memory.dmp

Filesize
24KB

Download
memory/3540-5-0x00007FFF8E58D000-0x00007FFF8E58E000-memory.dmp

Filesize
4KB

Download