tinba | 4efbfc26cce7a67ad5db74a6d1e1af7fe5ac81e6c78155e56a6396edea93d1ba

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 05:29

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General

Target

JaffaCakes118_f841c830b2f5626233cb6167e9f1639a.exe
Size

88KB
MD5

f841c830b2f5626233cb6167e9f1639a
SHA1

1e9d4c622f52d47d22cf3ef1ba096b40cf9c278a
SHA256

4efbfc26cce7a67ad5db74a6d1e1af7fe5ac81e6c78155e56a6396edea93d1ba
SHA512

004a08dbd467142af4464e080b214eedcdd3fe7ce9e05ec043741f523674a8da0b8ee95eeb9ec9798d141528bb681683008982d9a4a1763a24150e7e02f79b2d
SSDEEP

1536:H5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:H5fvp12UFKcD/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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F18F19B2 = "C:\\Users\\Admin\\AppData\\Roaming\\F18F19B2\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4596	4532	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_f841c830b2f5626233cb6167e9f1639a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4532	winver.exe
4532	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4532	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 4532	2160	JaffaCakes118_f841c830b2f5626233cb6167e9f1639a.exe	84
PID 2160 wrote to memory of 4532	2160	JaffaCakes118_f841c830b2f5626233cb6167e9f1639a.exe	84
PID 2160 wrote to memory of 4532	2160	JaffaCakes118_f841c830b2f5626233cb6167e9f1639a.exe	84
PID 2160 wrote to memory of 4532	2160	JaffaCakes118_f841c830b2f5626233cb6167e9f1639a.exe	84
PID 4532 wrote to memory of 3488	4532	winver.exe	56
PID 4532 wrote to memory of 2652	4532	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f841c830b2f5626233cb6167e9f1639a.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f841c830b2f5626233cb6167e9f1639a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2160
- - 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:4532
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 352
      4⤵
      Program crash
      PID:4596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4532 -ip 4532
1⤵
PID:964

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/2160-3-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/2160-0-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/2160-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2160-8-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/2652-12-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/2652-14-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/3488-1-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/3488-2-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/3488-5-0x00007FFC7FCAD000-0x00007FFC7FCAE000-memory.dmp

Filesize
4KB

Download
memory/4532-6-0x00007FFC7FC10000-0x00007FFC7FE05000-memory.dmp

Filesize
2.0MB

Download
memory/4532-10-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/4532-13-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/4532-4-0x00000000779B2000-0x00000000779B3000-memory.dmp

Filesize
4KB

Download