tinba | 626eb28e1efa9e59d4623f5d1f1f7ab5a57e05138571cd322010a052352b5287

Analysis

max time kernel
143s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 10:47

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General

Target

JaffaCakes118_5e832adcb48953124ee405825368030c.exe
Size

88KB
MD5

5e832adcb48953124ee405825368030c
SHA1

38fa41ef3c8bbe42983bfc27a017bd9e27ecc837
SHA256

626eb28e1efa9e59d4623f5d1f1f7ab5a57e05138571cd322010a052352b5287
SHA512

da4e397bd3a51bc29454678c56b42b315fcca0327bf21cdad9d8e48f0957bee86c6cf502da7ef29a54de22a0191522a219ee7b8e9079078d8b1a716205d98f41
SSDEEP

1536:25nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:25fvp12UFKcD/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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DE802BBF = "C:\\Users\\Admin\\AppData\\Roaming\\DE802BBF\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2132	3368	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_5e832adcb48953124ee405825368030c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3368	winver.exe
3368	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3368	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 3368	2668	JaffaCakes118_5e832adcb48953124ee405825368030c.exe	83
PID 2668 wrote to memory of 3368	2668	JaffaCakes118_5e832adcb48953124ee405825368030c.exe	83
PID 2668 wrote to memory of 3368	2668	JaffaCakes118_5e832adcb48953124ee405825368030c.exe	83
PID 2668 wrote to memory of 3368	2668	JaffaCakes118_5e832adcb48953124ee405825368030c.exe	83
PID 3368 wrote to memory of 3420	3368	winver.exe	56
PID 3368 wrote to memory of 2988	3368	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2988

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e832adcb48953124ee405825368030c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e832adcb48953124ee405825368030c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2668
- - 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:3368
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3368 -s 352
      4⤵
      Program crash
      PID:2132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3368 -ip 3368
1⤵
PID:4104

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/2668-0-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/2668-3-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/2668-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2668-8-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/2988-12-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/3368-4-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/3368-6-0x00007FFD4F370000-0x00007FFD4F565000-memory.dmp

Filesize
2.0MB

Download
memory/3368-10-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/3368-13-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/3420-2-0x0000000001340000-0x0000000001346000-memory.dmp

Filesize
24KB

Download
memory/3420-1-0x0000000001340000-0x0000000001346000-memory.dmp

Filesize
24KB

Download
memory/3420-5-0x00007FFD4F40D000-0x00007FFD4F40E000-memory.dmp

Filesize
4KB

Download