tinba | 8223226ec4f98ef6df9ab3ccb1bc99f0ace7daa26d3cd648670abb1f963028fa

Analysis

max time kernel
146s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 06:07

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General

Target

JaffaCakes118_6aada2b9620829eda0797b7df14da56b.exe
Size

88KB
MD5

6aada2b9620829eda0797b7df14da56b
SHA1

82a359071952343c507e13a5bd8dce99d4ba0421
SHA256

8223226ec4f98ef6df9ab3ccb1bc99f0ace7daa26d3cd648670abb1f963028fa
SHA512

1d69320fd335e1fc692dcdc63370897960dfd5b1ee1beadf0398e8fca8a115ff68eb9d5e3f7088c77db8a5b7dd96c0d9d017ce2737e9b384b16b106cf6848572
SSDEEP

1536:m5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:m5fvp12UFKcD/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\2E025C24 = "C:\\Users\\Admin\\AppData\\Roaming\\2E025C24\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
624	2324	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_6aada2b9620829eda0797b7df14da56b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2324	winver.exe
2324	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2324	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 2324	1436	JaffaCakes118_6aada2b9620829eda0797b7df14da56b.exe	84
PID 1436 wrote to memory of 2324	1436	JaffaCakes118_6aada2b9620829eda0797b7df14da56b.exe	84
PID 1436 wrote to memory of 2324	1436	JaffaCakes118_6aada2b9620829eda0797b7df14da56b.exe	84
PID 1436 wrote to memory of 2324	1436	JaffaCakes118_6aada2b9620829eda0797b7df14da56b.exe	84
PID 2324 wrote to memory of 3548	2324	winver.exe	55
PID 2324 wrote to memory of 2892	2324	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2892

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3548
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6aada2b9620829eda0797b7df14da56b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6aada2b9620829eda0797b7df14da56b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1436
- - 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:2324
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 352
      4⤵
      Program crash
      PID:624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2324 -ip 2324
1⤵
PID:244

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/1436-0-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1436-3-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/1436-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1436-8-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/2324-4-0x00000000778E2000-0x00000000778E3000-memory.dmp

Filesize
4KB

Download
memory/2324-6-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/2324-10-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/2324-13-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/2892-12-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3548-1-0x0000000001070000-0x0000000001076000-memory.dmp

Filesize
24KB

Download
memory/3548-2-0x0000000001070000-0x0000000001076000-memory.dmp

Filesize
24KB

Download
memory/3548-5-0x00007FFB38F0D000-0x00007FFB38F0E000-memory.dmp

Filesize
4KB

Download