tinba | 475ef08cf43e2e68cde92ee8c8841a1588039ca1dbeba0a9c233ad026e6839ab

Analysis

max time kernel
148s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2025, 06:12

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General

Target

JaffaCakes118_90894878a169ba324844a2e6ce5fc60f.exe
Size

88KB
MD5

90894878a169ba324844a2e6ce5fc60f
SHA1

29cd30524b8bd9dbb0d6ee67fc776412b97009c3
SHA256

475ef08cf43e2e68cde92ee8c8841a1588039ca1dbeba0a9c233ad026e6839ab
SHA512

edba2c154a2e2103529047e531fc1c8ecaab17ebc44edae5cd66b3cae8d35c754db31e51d365d32708ffd22207aba9e7fa1ce485702d34825492b1d26a599b9b
SSDEEP

1536:C5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:C5fvp12UFKcD/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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F9240E8C = "C:\\Users\\Admin\\AppData\\Roaming\\F9240E8C\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4016	4628	WerFault.exe	86

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_90894878a169ba324844a2e6ce5fc60f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4628	winver.exe
4628	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3368	Explorer.EXE
Token: SeCreatePagefilePrivilege	3368	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4628	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 4628	4656	JaffaCakes118_90894878a169ba324844a2e6ce5fc60f.exe	86
PID 4656 wrote to memory of 4628	4656	JaffaCakes118_90894878a169ba324844a2e6ce5fc60f.exe	86
PID 4656 wrote to memory of 4628	4656	JaffaCakes118_90894878a169ba324844a2e6ce5fc60f.exe	86
PID 4656 wrote to memory of 4628	4656	JaffaCakes118_90894878a169ba324844a2e6ce5fc60f.exe	86
PID 4628 wrote to memory of 3368	4628	winver.exe	56
PID 4628 wrote to memory of 2648	4628	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3368
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_90894878a169ba324844a2e6ce5fc60f.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_90894878a169ba324844a2e6ce5fc60f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4656
- - 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:4628
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 352
      4⤵
      Program crash
      PID:4016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4628 -ip 4628
1⤵
PID:3704

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/2648-12-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3368-1-0x0000000001370000-0x0000000001376000-memory.dmp

Filesize
24KB

Download
memory/3368-2-0x0000000001370000-0x0000000001376000-memory.dmp

Filesize
24KB

Download
memory/3368-5-0x00007FFBBEDCD000-0x00007FFBBEDCE000-memory.dmp

Filesize
4KB

Download
memory/4628-4-0x0000000077CE2000-0x0000000077CE3000-memory.dmp

Filesize
4KB

Download
memory/4628-6-0x00007FFBBED30000-0x00007FFBBEF25000-memory.dmp

Filesize
2.0MB

Download
memory/4628-10-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/4628-13-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/4656-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4656-3-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/4656-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4656-8-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download