tinba | cc6c8bfa45eee6276303e52a5efcc8c90f15165b4aa429c030078409cb784b90

Analysis

max time kernel
148s
max time network
150s
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 22:48

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General

Target

JaffaCakes118_7d555553325a0f740a7a0d70aa6b89ba.exe
Size

160KB
MD5

7d555553325a0f740a7a0d70aa6b89ba
SHA1

06b465305b8b1b2f41e6ba6b17a6c0d50796fe9c
SHA256

cc6c8bfa45eee6276303e52a5efcc8c90f15165b4aa429c030078409cb784b90
SHA512

12598ee8324bc9fa862bf71d1d7f95a529bad016c4126f6294a1c1e5d187e158af0311da6e738a06f8bbf3ab5e6b3f0ed1f09b5c10eecdeae892c745fdf99758
SSDEEP

1536:OEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:FY+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\949B7942 = "C:\\Users\\Admin\\AppData\\Roaming\\949B7942\\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/324-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2260	4880	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_7d555553325a0f740a7a0d70aa6b89ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4880	winver.exe
4880	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4880	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 324 wrote to memory of 4880	324	JaffaCakes118_7d555553325a0f740a7a0d70aa6b89ba.exe	83
PID 324 wrote to memory of 4880	324	JaffaCakes118_7d555553325a0f740a7a0d70aa6b89ba.exe	83
PID 324 wrote to memory of 4880	324	JaffaCakes118_7d555553325a0f740a7a0d70aa6b89ba.exe	83
PID 324 wrote to memory of 4880	324	JaffaCakes118_7d555553325a0f740a7a0d70aa6b89ba.exe	83
PID 4880 wrote to memory of 3320	4880	winver.exe	55
PID 4880 wrote to memory of 2488	4880	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2488

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3320
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d555553325a0f740a7a0d70aa6b89ba.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d555553325a0f740a7a0d70aa6b89ba.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:324
- - 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:4880
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 352
      4⤵
      Program crash
      PID:2260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4880 -ip 4880
1⤵
PID:4080

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/324-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/324-1-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/324-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/324-4-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/324-10-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/2488-14-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3320-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3320-6-0x00007FF88648D000-0x00007FF88648E000-memory.dmp

Filesize
4KB

Download
memory/3320-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4880-7-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/4880-5-0x0000000077102000-0x0000000077103000-memory.dmp

Filesize
4KB

Download
memory/4880-12-0x0000000002400000-0x0000000002406000-memory.dmp

Filesize
24KB

Download
memory/4880-15-0x0000000002400000-0x0000000002406000-memory.dmp

Filesize
24KB

Download