tinba | b83eadb36c0ce4a1c59c29fbb01c5633026bba0b22278ea477f79040df85b669

Analysis

max time kernel
146s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2025 16:37

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General

Target

JaffaCakes118_ccff083df97c2e4d9b2a1d1b8bc5b2ea.exe
Size

88KB
MD5

ccff083df97c2e4d9b2a1d1b8bc5b2ea
SHA1

504d74c52cbf71f350d0a125e4afdf7856e2c90e
SHA256

b83eadb36c0ce4a1c59c29fbb01c5633026bba0b22278ea477f79040df85b669
SHA512

ed8b9b2390eacd291cc232257f718512774365aa2c84ed384e25674e91483772668174fae36d7e999becc32208009dccc29992b4f76b48aae0cc662c8e52e53e
SSDEEP

1536:85nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:85fvp12UFKcD/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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B9AC496D = "C:\\Users\\Admin\\AppData\\Roaming\\B9AC496D\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1848	1860	WerFault.exe	84

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_ccff083df97c2e4d9b2a1d1b8bc5b2ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1860	winver.exe
1860	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1860	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 1860	3100	JaffaCakes118_ccff083df97c2e4d9b2a1d1b8bc5b2ea.exe	84
PID 3100 wrote to memory of 1860	3100	JaffaCakes118_ccff083df97c2e4d9b2a1d1b8bc5b2ea.exe	84
PID 3100 wrote to memory of 1860	3100	JaffaCakes118_ccff083df97c2e4d9b2a1d1b8bc5b2ea.exe	84
PID 3100 wrote to memory of 1860	3100	JaffaCakes118_ccff083df97c2e4d9b2a1d1b8bc5b2ea.exe	84
PID 1860 wrote to memory of 3380	1860	winver.exe	56
PID 1860 wrote to memory of 2860	1860	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2860

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3380
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ccff083df97c2e4d9b2a1d1b8bc5b2ea.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ccff083df97c2e4d9b2a1d1b8bc5b2ea.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3100
- - 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:1860
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 352
      4⤵
      Program crash
      PID:1848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 1860 -ip 1860
1⤵
PID:5076

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/1860-4-0x0000000077392000-0x0000000077393000-memory.dmp

Filesize
4KB

Download
memory/1860-6-0x00007FFADDDD0000-0x00007FFADDFC5000-memory.dmp

Filesize
2.0MB

Download
memory/1860-10-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/1860-13-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/2860-12-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/3100-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3100-3-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/3100-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3100-8-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/3380-2-0x0000000001170000-0x0000000001176000-memory.dmp

Filesize
24KB

Download
memory/3380-1-0x0000000001170000-0x0000000001176000-memory.dmp

Filesize
24KB

Download
memory/3380-5-0x00007FFADDE6D000-0x00007FFADDE6E000-memory.dmp

Filesize
4KB

Download