tinba | f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08

Analysis

max time kernel
149s
max time network
145s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-10-2024 07:44

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General

Target

f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe
Size

106KB
MD5

244c1f65159df53f7332e673cd57e887
SHA1

c6d25c750b3e74966389c04847e1473975ba1d91
SHA256

f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08
SHA512

b8ba9bfe157c3cb7255bde9d906c0e37747ad25f017b2d2bbf920b3dc29f168d21ff7f4327ce20cd6583e076e4e730303ab6dab4a8a13ebe5d10bed71f4243fa
SSDEEP

768:h+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:h+mFM2QXtZgi9Iksu+XM57ipeq9JA

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

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\BBF92E18 = "C:\\Users\\Admin\\AppData\\Roaming\\BBF92E18\\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	f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2908	winver.exe
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2908	1700	f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe	29
PID 1700 wrote to memory of 2908	1700	f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe	29
PID 1700 wrote to memory of 2908	1700	f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe	29
PID 1700 wrote to memory of 2908	1700	f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe	29
PID 1700 wrote to memory of 2908	1700	f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe	29
PID 2908 wrote to memory of 1220	2908	winver.exe	21
PID 2908 wrote to memory of 1120	2908	winver.exe	19
PID 2908 wrote to memory of 1176	2908	winver.exe	20
PID 2908 wrote to memory of 1220	2908	winver.exe	21
PID 2908 wrote to memory of 1336	2908	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1220
- C:\Users\Admin\AppData\Local\Temp\f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe
  "C:\Users\Admin\AppData\Local\Temp\f9f4fb11251898770f3255c668061a32e07c9df977c0fd152c65111a38d33c08.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1700
- - 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:2908

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1336

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/1120-27-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1120-26-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1176-33-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1176-32-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1176-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1220-29-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1220-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1220-10-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1220-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1220-4-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1220-22-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1336-30-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1336-31-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1336-25-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1700-12-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1700-13-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/1700-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1700-5-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/1700-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2908-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2908-7-0x0000000077040000-0x0000000077041000-memory.dmp

Filesize
4KB

Download
memory/2908-8-0x000000007703F000-0x0000000077040000-memory.dmp

Filesize
4KB

Download
memory/2908-9-0x000000007703F000-0x0000000077041000-memory.dmp

Filesize
8KB

Download
memory/2908-11-0x0000000076E40000-0x0000000076FE9000-memory.dmp

Filesize
1.7MB

Download
memory/2908-28-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download