tinba | c04faf18a1553a23eb615c730c6ff682e29b624c1bb131cbe8c8a2a2b4f3d0ef

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 03:31

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General

Target

c04faf18a1553a23eb615c730c6ff682e29b624c1bb131cbe8c8a2a2b4f3d0efN.exe
Size

89KB
MD5

da99beb6700345f528c1991d9a4bf6e0
SHA1

30ce9efa67926e8412574344650fcf8ca0ec8405
SHA256

c04faf18a1553a23eb615c730c6ff682e29b624c1bb131cbe8c8a2a2b4f3d0ef
SHA512

8d68f10afb49ad2312235e49e7fc637d01c873fe54924341071278517f8733b2853c7cceb1b5da5ae400862cc415a745bbb58a14be5d868ee0557070b5cff122
SSDEEP

1536:49o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA0:49o6fK2XqXQwhnHlqQo8Lvy0

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\384C5961 = "C:\\Users\\Admin\\AppData\\Roaming\\384C5961\\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	c04faf18a1553a23eb615c730c6ff682e29b624c1bb131cbe8c8a2a2b4f3d0efN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2720	winver.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2720	2192	c04faf18a1553a23eb615c730c6ff682e29b624c1bb131cbe8c8a2a2b4f3d0efN.exe	30
PID 2192 wrote to memory of 2720	2192	c04faf18a1553a23eb615c730c6ff682e29b624c1bb131cbe8c8a2a2b4f3d0efN.exe	30
PID 2192 wrote to memory of 2720	2192	c04faf18a1553a23eb615c730c6ff682e29b624c1bb131cbe8c8a2a2b4f3d0efN.exe	30
PID 2192 wrote to memory of 2720	2192	c04faf18a1553a23eb615c730c6ff682e29b624c1bb131cbe8c8a2a2b4f3d0efN.exe	30
PID 2192 wrote to memory of 2720	2192	c04faf18a1553a23eb615c730c6ff682e29b624c1bb131cbe8c8a2a2b4f3d0efN.exe	30
PID 2720 wrote to memory of 1192	2720	winver.exe	21
PID 2720 wrote to memory of 1088	2720	winver.exe	18
PID 2720 wrote to memory of 1168	2720	winver.exe	20
PID 2720 wrote to memory of 1192	2720	winver.exe	21
PID 2720 wrote to memory of 1440	2720	winver.exe	25
PID 2720 wrote to memory of 2192	2720	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1192
- C:\Users\Admin\AppData\Local\Temp\c04faf18a1553a23eb615c730c6ff682e29b624c1bb131cbe8c8a2a2b4f3d0efN.exe
  "C:\Users\Admin\AppData\Local\Temp\c04faf18a1553a23eb615c730c6ff682e29b624c1bb131cbe8c8a2a2b4f3d0efN.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:2720

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1440

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/1088-16-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1088-30-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1168-27-0x0000000077851000-0x0000000077852000-memory.dmp

Filesize
4KB

Download
memory/1168-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1168-18-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1192-5-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1192-12-0x0000000077851000-0x0000000077852000-memory.dmp

Filesize
4KB

Download
memory/1192-31-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1192-21-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1440-28-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1440-29-0x0000000077851000-0x0000000077852000-memory.dmp

Filesize
4KB

Download
memory/1440-23-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/2192-0-0x00000000001E0000-0x00000000001E2000-memory.dmp

Filesize
8KB

Download
memory/2192-6-0x00000000023A0000-0x0000000002DA0000-memory.dmp

Filesize
10.0MB

Download
memory/2192-32-0x00000000023A0000-0x0000000002DA0000-memory.dmp

Filesize
10.0MB

Download
memory/2192-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2720-13-0x0000000077800000-0x00000000779A9000-memory.dmp

Filesize
1.7MB

Download
memory/2720-7-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2720-8-0x0000000077A00000-0x0000000077A01000-memory.dmp

Filesize
4KB

Download
memory/2720-9-0x00000000779FF000-0x0000000077A00000-memory.dmp

Filesize
4KB

Download
memory/2720-10-0x00000000779FF000-0x0000000077A01000-memory.dmp

Filesize
8KB

Download
memory/2720-11-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/2720-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2720-38-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download