tinba | 278129f18cc597add2a66f0a96e6692c813d99e7c46360c8a24749341285e97f

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
10-01-2025 17:42

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General

Target

JaffaCakes118_ea2ae94e7e1eb7beed4ad61b0fae013d.exe
Size

88KB
MD5

ea2ae94e7e1eb7beed4ad61b0fae013d
SHA1

14aad60303dcb0c8b48fa02fa53a9aad0026312e
SHA256

278129f18cc597add2a66f0a96e6692c813d99e7c46360c8a24749341285e97f
SHA512

dd283d5030c60c3bd456275d2377492fc58a9c0bcdc42bcdc5545e054a83e056b0c4f6ef2f89163e77adac09980105ff17811bd4e89b9670535df71836281e3d
SSDEEP

1536:z5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:z5fvp12UFKcD/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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\03E90FC5 = "C:\\Users\\Admin\\AppData\\Roaming\\03E90FC5\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2820	1372	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_ea2ae94e7e1eb7beed4ad61b0fae013d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1372	winver.exe
1372	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1372	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 1372	2792	JaffaCakes118_ea2ae94e7e1eb7beed4ad61b0fae013d.exe	83
PID 2792 wrote to memory of 1372	2792	JaffaCakes118_ea2ae94e7e1eb7beed4ad61b0fae013d.exe	83
PID 2792 wrote to memory of 1372	2792	JaffaCakes118_ea2ae94e7e1eb7beed4ad61b0fae013d.exe	83
PID 2792 wrote to memory of 1372	2792	JaffaCakes118_ea2ae94e7e1eb7beed4ad61b0fae013d.exe	83
PID 1372 wrote to memory of 3424	1372	winver.exe	56
PID 1372 wrote to memory of 3028	1372	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3028

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea2ae94e7e1eb7beed4ad61b0fae013d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea2ae94e7e1eb7beed4ad61b0fae013d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2792
- - 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:1372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 352
      4⤵
      Program crash
      PID:2820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1372 -ip 1372
1⤵
PID:3432

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/1372-5-0x0000000076F92000-0x0000000076F93000-memory.dmp

Filesize
4KB

Download
memory/1372-4-0x00000000023F0000-0x00000000023F6000-memory.dmp

Filesize
24KB

Download
memory/1372-7-0x00007FFD65870000-0x00007FFD65A65000-memory.dmp

Filesize
2.0MB

Download
memory/1372-14-0x00000000023F0000-0x00000000023F6000-memory.dmp

Filesize
24KB

Download
memory/2792-0-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/2792-3-0x0000000002060000-0x0000000002A60000-memory.dmp

Filesize
10.0MB

Download
memory/2792-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2792-9-0x0000000002060000-0x0000000002A60000-memory.dmp

Filesize
10.0MB

Download
memory/3028-13-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/3424-1-0x0000000000ED0000-0x0000000000ED6000-memory.dmp

Filesize
24KB

Download
memory/3424-2-0x0000000000ED0000-0x0000000000ED6000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x00007FFD6590D000-0x00007FFD6590E000-memory.dmp

Filesize
4KB

Download