tinba | 4efbfc26cce7a67ad5db74a6d1e1af7fe5ac81e6c78155e56a6396edea93d1ba

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\CFEE0393 = "C:\\Users\\Admin\\AppData\\Roaming\\CFEE0393\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f841c830b2f5626233cb6167e9f1639a.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2356	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2356	2192	JaffaCakes118_f841c830b2f5626233cb6167e9f1639a.exe	31
PID 2192 wrote to memory of 2356	2192	JaffaCakes118_f841c830b2f5626233cb6167e9f1639a.exe	31
PID 2192 wrote to memory of 2356	2192	JaffaCakes118_f841c830b2f5626233cb6167e9f1639a.exe	31
PID 2192 wrote to memory of 2356	2192	JaffaCakes118_f841c830b2f5626233cb6167e9f1639a.exe	31
PID 2192 wrote to memory of 2356	2192	JaffaCakes118_f841c830b2f5626233cb6167e9f1639a.exe	31
PID 2356 wrote to memory of 1232	2356	winver.exe	21
PID 2356 wrote to memory of 1108	2356	winver.exe	19
PID 2356 wrote to memory of 1160	2356	winver.exe	20
PID 2356 wrote to memory of 1232	2356	winver.exe	21
PID 2356 wrote to memory of 1224	2356	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⤵
PID:1232
- 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:2192
- - 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:2356

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1224

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/1108-24-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1108-25-0x0000000077371000-0x0000000077372000-memory.dmp

Filesize
4KB

Download
memory/1160-19-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1160-26-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1224-27-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1224-23-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1224-28-0x0000000077371000-0x0000000077372000-memory.dmp

Filesize
4KB

Download
memory/1232-1-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1232-29-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1232-9-0x0000000077371000-0x0000000077372000-memory.dmp

Filesize
4KB

Download
memory/1232-2-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1232-3-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1232-21-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/2192-4-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2192-12-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2192-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2192-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2356-10-0x0000000077320000-0x00000000774C9000-memory.dmp

Filesize
1.7MB

Download
memory/2356-5-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2356-6-0x0000000077520000-0x0000000077521000-memory.dmp

Filesize
4KB

Download
memory/2356-7-0x000000007751F000-0x0000000077520000-memory.dmp

Filesize
4KB

Download
memory/2356-8-0x000000007751F000-0x0000000077521000-memory.dmp

Filesize
8KB

Download
memory/2356-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download