tinba | afe60d3809901bff2510948a47a35b01450a2c935f2da600e60c77b2f2b9eeee

Analysis

max time kernel
137s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 06:11

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General

Target

JaffaCakes118_8fc0dc2351f1d84c78757158403fcaef.exe
Size

88KB
MD5

8fc0dc2351f1d84c78757158403fcaef
SHA1

52208d2abc43d61c40cb32b492581417d0a82fb2
SHA256

afe60d3809901bff2510948a47a35b01450a2c935f2da600e60c77b2f2b9eeee
SHA512

1350e8fb91f7f7c4f7fc703f55393de84ececab855ad982bfa8c975d2ff95a7791805a41bfc8780dfe0d2208f05b7cdf67aa39bdc2f7b64c06dc5e0e534aa487
SSDEEP

1536:j5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:j5fvp12UFKcD/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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9278840F = "C:\\Users\\Admin\\AppData\\Roaming\\9278840F\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2136	3788	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_8fc0dc2351f1d84c78757158403fcaef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3788	winver.exe
3788	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3788	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 3788	1008	JaffaCakes118_8fc0dc2351f1d84c78757158403fcaef.exe	85
PID 1008 wrote to memory of 3788	1008	JaffaCakes118_8fc0dc2351f1d84c78757158403fcaef.exe	85
PID 1008 wrote to memory of 3788	1008	JaffaCakes118_8fc0dc2351f1d84c78757158403fcaef.exe	85
PID 1008 wrote to memory of 3788	1008	JaffaCakes118_8fc0dc2351f1d84c78757158403fcaef.exe	85
PID 3788 wrote to memory of 3432	3788	winver.exe	56
PID 3788 wrote to memory of 2924	3788	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2924

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fc0dc2351f1d84c78757158403fcaef.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fc0dc2351f1d84c78757158403fcaef.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1008
- - 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:3788
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3788 -s 352
      4⤵
      Program crash
      PID:2136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 3788 -ip 3788
1⤵
PID:3192

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/1008-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1008-3-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/1008-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1008-8-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/2924-12-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/3432-1-0x0000000002430000-0x0000000002436000-memory.dmp

Filesize
24KB

Download
memory/3432-2-0x0000000002430000-0x0000000002436000-memory.dmp

Filesize
24KB

Download
memory/3432-5-0x00007FFB5192D000-0x00007FFB5192E000-memory.dmp

Filesize
4KB

Download
memory/3788-4-0x0000000077C92000-0x0000000077C93000-memory.dmp

Filesize
4KB

Download
memory/3788-6-0x00007FFB51890000-0x00007FFB51A85000-memory.dmp

Filesize
2.0MB

Download
memory/3788-10-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/3788-13-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download