tinba | 2a236661e0e18e2e9c7faa3d32d3dcee3b61933f95a50fb6539313edaf40534d

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 22:04

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General

Target

JaffaCakes118_bff05a73e8b0a0babef02d20f5522e44.exe
Size

148KB
MD5

bff05a73e8b0a0babef02d20f5522e44
SHA1

f62a1f7932b793af72d81151d6d54c0dc848ea1a
SHA256

2a236661e0e18e2e9c7faa3d32d3dcee3b61933f95a50fb6539313edaf40534d
SHA512

1855a88dc5079f7e4802f957ab2a47e329221185d2bad1abd5bfec2d9320fe9588f88b930f9ecf645cf4925407874002eeb74fd453ef423c0e7096e6729c23e9
SSDEEP

1536:cv+pJdyvHh9Yvu356AlGC/kpNfDnfn8bbxvVOu3MwJMaKtqj78gE8v27O:j/dwh9uu39N81SbxthE8vCO

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\D9AB2326 = "C:\\Users\\Admin\\AppData\\Roaming\\D9AB2326\\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_bff05a73e8b0a0babef02d20f5522e44.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe
2152	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2152	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2072	JaffaCakes118_bff05a73e8b0a0babef02d20f5522e44.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2152	2072	JaffaCakes118_bff05a73e8b0a0babef02d20f5522e44.exe	30
PID 2072 wrote to memory of 2152	2072	JaffaCakes118_bff05a73e8b0a0babef02d20f5522e44.exe	30
PID 2072 wrote to memory of 2152	2072	JaffaCakes118_bff05a73e8b0a0babef02d20f5522e44.exe	30
PID 2072 wrote to memory of 2152	2072	JaffaCakes118_bff05a73e8b0a0babef02d20f5522e44.exe	30
PID 2072 wrote to memory of 2152	2072	JaffaCakes118_bff05a73e8b0a0babef02d20f5522e44.exe	30
PID 2152 wrote to memory of 1204	2152	winver.exe	21
PID 2152 wrote to memory of 1100	2152	winver.exe	19
PID 2152 wrote to memory of 1156	2152	winver.exe	20
PID 2152 wrote to memory of 1204	2152	winver.exe	21
PID 2152 wrote to memory of 1664	2152	winver.exe	25
PID 2152 wrote to memory of 2072	2152	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bff05a73e8b0a0babef02d20f5522e44.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bff05a73e8b0a0babef02d20f5522e44.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2072
- - 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:2152

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1664

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/1100-31-0x0000000002090000-0x0000000002097000-memory.dmp

Filesize
28KB

Download
memory/1100-32-0x0000000077A91000-0x0000000077A92000-memory.dmp

Filesize
4KB

Download
memory/1100-19-0x0000000002090000-0x0000000002097000-memory.dmp

Filesize
28KB

Download
memory/1156-22-0x0000000001F90000-0x0000000001F97000-memory.dmp

Filesize
28KB

Download
memory/1156-34-0x0000000001F90000-0x0000000001F97000-memory.dmp

Filesize
28KB

Download
memory/1204-15-0x0000000077A91000-0x0000000077A92000-memory.dmp

Filesize
4KB

Download
memory/1204-33-0x0000000002D80000-0x0000000002D87000-memory.dmp

Filesize
28KB

Download
memory/1204-4-0x0000000002D70000-0x0000000002D77000-memory.dmp

Filesize
28KB

Download
memory/1204-14-0x0000000002D70000-0x0000000002D77000-memory.dmp

Filesize
28KB

Download
memory/1204-3-0x0000000002D70000-0x0000000002D77000-memory.dmp

Filesize
28KB

Download
memory/1204-25-0x0000000002D80000-0x0000000002D87000-memory.dmp

Filesize
28KB

Download
memory/1664-28-0x0000000002200000-0x0000000002207000-memory.dmp

Filesize
28KB

Download
memory/1664-35-0x0000000002200000-0x0000000002207000-memory.dmp

Filesize
28KB

Download
memory/1664-36-0x0000000077A91000-0x0000000077A92000-memory.dmp

Filesize
4KB

Download
memory/2072-2-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download
memory/2072-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2072-8-0x00000000020C0000-0x0000000002AC0000-memory.dmp

Filesize
10.0MB

Download
memory/2072-30-0x00000000020C0000-0x0000000002AC0000-memory.dmp

Filesize
10.0MB

Download
memory/2072-0-0x000000000040C000-0x000000000040F000-memory.dmp

Filesize
12KB

Download
memory/2072-17-0x0000000000400000-0x0000000000404A00-memory.dmp

Filesize
18KB

Download
memory/2152-11-0x0000000077C3F000-0x0000000077C40000-memory.dmp

Filesize
4KB

Download
memory/2152-5-0x0000000000120000-0x0000000000127000-memory.dmp

Filesize
28KB

Download
memory/2152-9-0x0000000000120000-0x0000000000127000-memory.dmp

Filesize
28KB

Download
memory/2152-10-0x0000000077C40000-0x0000000077C41000-memory.dmp

Filesize
4KB

Download
memory/2152-16-0x0000000077A40000-0x0000000077BE9000-memory.dmp

Filesize
1.7MB

Download
memory/2152-12-0x0000000077C3F000-0x0000000077C41000-memory.dmp

Filesize
8KB

Download
memory/2152-13-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/2152-42-0x0000000000120000-0x0000000000127000-memory.dmp

Filesize
28KB

Download