tinba | f3f48ae16496ab3762cb8a115e60ff70f97506287b016ed3f06bd26b29cd10ce

Analysis

max time kernel
139s
max time network
139s
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 10:55

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General

Target

JaffaCakes118_9bd9efcbcf6f570564fb793db07309f6.exe
Size

160KB
MD5

9bd9efcbcf6f570564fb793db07309f6
SHA1

224e2d0931cc5911bdb90ee1bf01da6e4c8bdd78
SHA256

f3f48ae16496ab3762cb8a115e60ff70f97506287b016ed3f06bd26b29cd10ce
SHA512

744dabb662785f9c0bd90cdc8d585b6ba9b27a91e2157ff1a148ea933e8a69e92f669260fc6902235516a3c0ebb39fe4699423a18ef27024e333d22333a2db0d
SSDEEP

1536:bEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:IY+4MiIkLZJNAQ9J6v

Score

10^/10

tinba banker discovery persistence trojan upx

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\1E9EC0AF = "C:\\Users\\Admin\\AppData\\Roaming\\1E9EC0AF\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2756-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5036	2080	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9bd9efcbcf6f570564fb793db07309f6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2080	winver.exe
2080	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2080	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2080	2756	JaffaCakes118_9bd9efcbcf6f570564fb793db07309f6.exe	83
PID 2756 wrote to memory of 2080	2756	JaffaCakes118_9bd9efcbcf6f570564fb793db07309f6.exe	83
PID 2756 wrote to memory of 2080	2756	JaffaCakes118_9bd9efcbcf6f570564fb793db07309f6.exe	83
PID 2756 wrote to memory of 2080	2756	JaffaCakes118_9bd9efcbcf6f570564fb793db07309f6.exe	83
PID 2080 wrote to memory of 3456	2080	winver.exe	56
PID 2080 wrote to memory of 2964	2080	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2964

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9bd9efcbcf6f570564fb793db07309f6.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9bd9efcbcf6f570564fb793db07309f6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - 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:2080
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 352
      4⤵
      Program crash
      PID:5036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 2080 -ip 2080
1⤵
PID:3040

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/2080-5-0x0000000077BB2000-0x0000000077BB3000-memory.dmp

Filesize
4KB

Download
memory/2080-15-0x00000000014F0000-0x00000000014F6000-memory.dmp

Filesize
24KB

Download
memory/2080-11-0x00000000014F0000-0x00000000014F6000-memory.dmp

Filesize
24KB

Download
memory/2080-7-0x00007FFA4D1D0000-0x00007FFA4D3C5000-memory.dmp

Filesize
2.0MB

Download
memory/2756-9-0x0000000002310000-0x0000000002D10000-memory.dmp

Filesize
10.0MB

Download
memory/2756-4-0x0000000002310000-0x0000000002D10000-memory.dmp

Filesize
10.0MB

Download
memory/2756-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2756-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2756-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/2964-14-0x00007FFA4D26D000-0x00007FFA4D26E000-memory.dmp

Filesize
4KB

Download
memory/2964-13-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/2964-16-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3456-6-0x00007FFA4D26D000-0x00007FFA4D26E000-memory.dmp

Filesize
4KB

Download
memory/3456-2-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/3456-3-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download