tinba | c51fad1833de3e2c2f9cb73c648dbf8a1abc625b4a1c820e5e2ac7ef89fe9e33

Analysis

max time kernel
149s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 07:29

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General

Target

JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe
Size

80KB
MD5

4c4ea15ca81ba613741f57c2b864a9d0
SHA1

b5b99339704994a7de47c3697b690e2b637e1246
SHA256

c51fad1833de3e2c2f9cb73c648dbf8a1abc625b4a1c820e5e2ac7ef89fe9e33
SHA512

5a2992a33cb18f266aa338d54aba0160cfc06c746c50697e34ee4fa58a1eebacf72ef374584b5bd32b25eb5827adad9529734f895e1169bbb5c54c3e6728d738
SSDEEP

1536:wylZ6wfDJz14rh05KcJMVGYgrzxhrZfFkWGq6cjT1:1Roh0Kc29iTNdkWGqzjT1

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\31640A4F = "C:\\Users\\Admin\\AppData\\Roaming\\31640A4F\\bin.exe"	winver.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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_4c4ea15ca81ba613741f57c2b864a9d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe
1196	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1196	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 1784	2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	30
PID 2064 wrote to memory of 1784	2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	30
PID 2064 wrote to memory of 1784	2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	30
PID 2064 wrote to memory of 1784	2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	30
PID 2064 wrote to memory of 1784	2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	30
PID 2064 wrote to memory of 1784	2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	30
PID 2064 wrote to memory of 1784	2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	30
PID 2064 wrote to memory of 1784	2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	30
PID 2064 wrote to memory of 1784	2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	30
PID 2064 wrote to memory of 1784	2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	30
PID 2064 wrote to memory of 1784	2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	30
PID 2064 wrote to memory of 1784	2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	30
PID 2064 wrote to memory of 1784	2064	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	30
PID 1784 wrote to memory of 1196	1784	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	31
PID 1784 wrote to memory of 1196	1784	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	31
PID 1784 wrote to memory of 1196	1784	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	31
PID 1784 wrote to memory of 1196	1784	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	31
PID 1784 wrote to memory of 1196	1784	JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe	31
PID 1196 wrote to memory of 1244	1196	winver.exe	21
PID 1196 wrote to memory of 1124	1196	winver.exe	19
PID 1196 wrote to memory of 1180	1196	winver.exe	20
PID 1196 wrote to memory of 1244	1196	winver.exe	21
PID 1196 wrote to memory of 112	1196	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1244
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c4ea15ca81ba613741f57c2b864a9d0.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1784
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:1196

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:112

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/112-29-0x0000000001DB0000-0x0000000001DB7000-memory.dmp

Filesize
28KB

Download
memory/112-26-0x0000000001DB0000-0x0000000001DB7000-memory.dmp

Filesize
28KB

Download
memory/112-30-0x0000000076EA1000-0x0000000076EA2000-memory.dmp

Filesize
4KB

Download
memory/1124-18-0x00000000020F0000-0x00000000020F7000-memory.dmp

Filesize
28KB

Download
memory/1124-27-0x00000000020F0000-0x00000000020F7000-memory.dmp

Filesize
28KB

Download
memory/1124-28-0x0000000076EA1000-0x0000000076EA2000-memory.dmp

Filesize
4KB

Download
memory/1180-31-0x0000000000140000-0x0000000000147000-memory.dmp

Filesize
28KB

Download
memory/1180-32-0x0000000076EA1000-0x0000000076EA2000-memory.dmp

Filesize
4KB

Download
memory/1180-21-0x0000000000140000-0x0000000000147000-memory.dmp

Filesize
28KB

Download
memory/1180-37-0x0000000000140000-0x0000000000147000-memory.dmp

Filesize
28KB

Download
memory/1196-10-0x0000000000D90000-0x0000000000DA6000-memory.dmp

Filesize
88KB

Download
memory/1196-6-0x0000000000D91000-0x0000000000D92000-memory.dmp

Filesize
4KB

Download
memory/1196-13-0x0000000076E50000-0x0000000076FF9000-memory.dmp

Filesize
1.7MB

Download
memory/1196-9-0x0000000000180000-0x0000000000187000-memory.dmp

Filesize
28KB

Download
memory/1244-12-0x0000000076EA1000-0x0000000076EA2000-memory.dmp

Filesize
4KB

Download
memory/1244-24-0x0000000002E80000-0x0000000002E87000-memory.dmp

Filesize
28KB

Download
memory/1244-11-0x0000000002E90000-0x0000000002E97000-memory.dmp

Filesize
28KB

Download
memory/1244-7-0x0000000002E90000-0x0000000002E97000-memory.dmp

Filesize
28KB

Download
memory/1244-33-0x0000000002E80000-0x0000000002E87000-memory.dmp

Filesize
28KB

Download
memory/1244-8-0x0000000002E90000-0x0000000002E97000-memory.dmp

Filesize
28KB

Download
memory/1784-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1784-5-0x0000000000400000-0x0000000000404600-memory.dmp

Filesize
17KB

Download
memory/2064-3-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2064-2-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download