tinba | f8fba41cde41a38c6395170b0188c7e40af1c6ef2175c5c7d7f4481bda3e9d4d

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 17:29

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General

Target

JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe
Size

88KB
MD5

5e19df89a801c4ebf801e06da1d8bfd4
SHA1

ae9804d6a9ccb6c1f878d04e310824955d94efc9
SHA256

f8fba41cde41a38c6395170b0188c7e40af1c6ef2175c5c7d7f4481bda3e9d4d
SHA512

444b36aec69aacfde7c3998ff72c6cae4b8fe5adcfd63142b201105d44bea2259b36d82d194a4cd9867eb47cdee92b19f083ac08dc08aa9d548a600c74361ba7
SSDEEP

1536:35nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:35fvp12UFKcD/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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\118F937F = "C:\\Users\\Admin\\AppData\\Roaming\\118F937F\\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_5e19df89a801c4ebf801e06da1d8bfd4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2548	winver.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2548	2364	JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe	31
PID 2364 wrote to memory of 2548	2364	JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe	31
PID 2364 wrote to memory of 2548	2364	JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe	31
PID 2364 wrote to memory of 2548	2364	JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe	31
PID 2364 wrote to memory of 2548	2364	JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe	31
PID 2548 wrote to memory of 1204	2548	winver.exe	21
PID 2548 wrote to memory of 1108	2548	winver.exe	19
PID 2548 wrote to memory of 1160	2548	winver.exe	20
PID 2548 wrote to memory of 1204	2548	winver.exe	21
PID 2548 wrote to memory of 1364	2548	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2364
- - 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:2548

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1364

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/1108-25-0x0000000077CB1000-0x0000000077CB2000-memory.dmp

Filesize
4KB

Download
memory/1108-24-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/1160-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1204-9-0x0000000077CB1000-0x0000000077CB2000-memory.dmp

Filesize
4KB

Download
memory/1204-1-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1204-26-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1364-30-0x0000000077CB1000-0x0000000077CB2000-memory.dmp

Filesize
4KB

Download
memory/1364-29-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1364-23-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/2364-4-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2364-12-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2364-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2364-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2548-5-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2548-6-0x0000000077E60000-0x0000000077E61000-memory.dmp

Filesize
4KB

Download
memory/2548-8-0x0000000077E5F000-0x0000000077E61000-memory.dmp

Filesize
8KB

Download
memory/2548-10-0x0000000077C60000-0x0000000077E09000-memory.dmp

Filesize
1.7MB

Download
memory/2548-7-0x0000000077E5F000-0x0000000077E60000-memory.dmp

Filesize
4KB

Download
memory/2548-28-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download