tinba | 99736ff1b3525552c3849b3b9282f98fdf66ecbcac424c9cc74bd6068e684a23

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 15:20

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General

Target

JaffaCakes118_248e7834494f4e1e0d5ed161b08326d0.exe
Size

88KB
MD5

248e7834494f4e1e0d5ed161b08326d0
SHA1

10f95e0ea941a4c6dca4b6e58a5e148389aadce7
SHA256

99736ff1b3525552c3849b3b9282f98fdf66ecbcac424c9cc74bd6068e684a23
SHA512

8bbd448181550659694f535acbd7d38643013c6549d0bcdce6fc3d174dfc57e871560ccd79561e9dd4fac40c9ea72f5b87fa0d914b6cc68fc624068e75d39eb2
SSDEEP

1536:f5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:f5fvp12UFKcD/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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\2249CCED = "C:\\Users\\Admin\\AppData\\Roaming\\2249CCED\\bin.exe"	winver.exe

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_248e7834494f4e1e0d5ed161b08326d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2632	winver.exe
1100	Explorer.EXE
1100	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1100	Explorer.EXE
1100	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2632	2968	JaffaCakes118_248e7834494f4e1e0d5ed161b08326d0.exe	29
PID 2968 wrote to memory of 2632	2968	JaffaCakes118_248e7834494f4e1e0d5ed161b08326d0.exe	29
PID 2968 wrote to memory of 2632	2968	JaffaCakes118_248e7834494f4e1e0d5ed161b08326d0.exe	29
PID 2968 wrote to memory of 2632	2968	JaffaCakes118_248e7834494f4e1e0d5ed161b08326d0.exe	29
PID 2968 wrote to memory of 2632	2968	JaffaCakes118_248e7834494f4e1e0d5ed161b08326d0.exe	29
PID 2632 wrote to memory of 1100	2632	winver.exe	20
PID 2632 wrote to memory of 1028	2632	winver.exe	17
PID 2632 wrote to memory of 1044	2632	winver.exe	18
PID 2632 wrote to memory of 1100	2632	winver.exe	20
PID 2632 wrote to memory of 1324	2632	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1028

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1044

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1100
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_248e7834494f4e1e0d5ed161b08326d0.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_248e7834494f4e1e0d5ed161b08326d0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2968
- - 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:2632

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1324

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/1028-23-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1028-24-0x0000000077021000-0x0000000077022000-memory.dmp

Filesize
4KB

Download
memory/1044-18-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1044-26-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1100-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1100-2-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1100-1-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1100-20-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1100-9-0x0000000077021000-0x0000000077022000-memory.dmp

Filesize
4KB

Download
memory/1100-29-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1324-28-0x0000000077021000-0x0000000077022000-memory.dmp

Filesize
4KB

Download
memory/1324-22-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1324-27-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/2632-8-0x00000000771CF000-0x00000000771D1000-memory.dmp

Filesize
8KB

Download
memory/2632-6-0x00000000771D0000-0x00000000771D1000-memory.dmp

Filesize
4KB

Download
memory/2632-7-0x00000000771CF000-0x00000000771D0000-memory.dmp

Filesize
4KB

Download
memory/2632-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2632-10-0x0000000076FD0000-0x0000000077179000-memory.dmp

Filesize
1.7MB

Download
memory/2632-25-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2632-34-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2968-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2968-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2968-12-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2968-4-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download