tinba | a0fa44d9ec23a4971e0ed10f0f01abbe71c559c8f2d9dfa81855978e0bfec4d8

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 13:48

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General

Target

a0fa44d9ec23a4971e0ed10f0f01abbe71c559c8f2d9dfa81855978e0bfec4d8N.exe
Size

589KB
MD5

9a76ee5af475f6ae78f78a46ac629ba0
SHA1

2c5176f5dccba9273fb19c55605b291c90f8403b
SHA256

a0fa44d9ec23a4971e0ed10f0f01abbe71c559c8f2d9dfa81855978e0bfec4d8
SHA512

8de48f9f581207e27c29777b9ea92e086d34e8d31e56567c746c2c9af2c64307f182051f9c90722a7bc139e96bfba2637b007f350a52481b87dbaa31c4326aec
SSDEEP

6144:bCE6/mUXJ531nIUliViSZbLhaZfvMlLXICg2vj7OyzWxzRazUE1K52u8iqUNr63:F6TOUMBQf0ljW2vj7OyzoRaA+ei

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\232B2913 = "C:\\Users\\Admin\\AppData\\Roaming\\232B2913\\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	a0fa44d9ec23a4971e0ed10f0f01abbe71c559c8f2d9dfa81855978e0bfec4d8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 59 IoCs

pid	Process
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2116	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3012	a0fa44d9ec23a4971e0ed10f0f01abbe71c559c8f2d9dfa81855978e0bfec4d8N.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2116	3012	a0fa44d9ec23a4971e0ed10f0f01abbe71c559c8f2d9dfa81855978e0bfec4d8N.exe	30
PID 3012 wrote to memory of 2116	3012	a0fa44d9ec23a4971e0ed10f0f01abbe71c559c8f2d9dfa81855978e0bfec4d8N.exe	30
PID 3012 wrote to memory of 2116	3012	a0fa44d9ec23a4971e0ed10f0f01abbe71c559c8f2d9dfa81855978e0bfec4d8N.exe	30
PID 3012 wrote to memory of 2116	3012	a0fa44d9ec23a4971e0ed10f0f01abbe71c559c8f2d9dfa81855978e0bfec4d8N.exe	30
PID 3012 wrote to memory of 2116	3012	a0fa44d9ec23a4971e0ed10f0f01abbe71c559c8f2d9dfa81855978e0bfec4d8N.exe	30
PID 2116 wrote to memory of 1200	2116	winver.exe	21
PID 2116 wrote to memory of 1112	2116	winver.exe	19
PID 2116 wrote to memory of 1164	2116	winver.exe	20
PID 2116 wrote to memory of 1200	2116	winver.exe	21
PID 2116 wrote to memory of 336	2116	winver.exe	25
PID 2116 wrote to memory of 3012	2116	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\a0fa44d9ec23a4971e0ed10f0f01abbe71c559c8f2d9dfa81855978e0bfec4d8N.exe
  "C:\Users\Admin\AppData\Local\Temp\a0fa44d9ec23a4971e0ed10f0f01abbe71c559c8f2d9dfa81855978e0bfec4d8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:3012
- - 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:2116

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:336

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/336-27-0x0000000001ED0000-0x0000000001ED7000-memory.dmp

Filesize
28KB

Download
memory/336-33-0x0000000001ED0000-0x0000000001ED7000-memory.dmp

Filesize
28KB

Download
memory/336-34-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1112-31-0x0000000001ED0000-0x0000000001ED7000-memory.dmp

Filesize
28KB

Download
memory/1112-18-0x0000000001ED0000-0x0000000001ED7000-memory.dmp

Filesize
28KB

Download
memory/1164-30-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1164-21-0x0000000001EA0000-0x0000000001EA7000-memory.dmp

Filesize
28KB

Download
memory/1164-29-0x0000000001EA0000-0x0000000001EA7000-memory.dmp

Filesize
28KB

Download
memory/1200-7-0x00000000024C0000-0x00000000024C7000-memory.dmp

Filesize
28KB

Download
memory/1200-24-0x00000000024D0000-0x00000000024D7000-memory.dmp

Filesize
28KB

Download
memory/1200-32-0x00000000024D0000-0x00000000024D7000-memory.dmp

Filesize
28KB

Download
memory/1200-14-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1200-4-0x00000000024C0000-0x00000000024C7000-memory.dmp

Filesize
28KB

Download
memory/1200-3-0x00000000024C0000-0x00000000024C7000-memory.dmp

Filesize
28KB

Download
memory/2116-5-0x00000000000B0000-0x00000000000B7000-memory.dmp

Filesize
28KB

Download
memory/2116-15-0x00000000779F0000-0x0000000077B99000-memory.dmp

Filesize
1.7MB

Download
memory/2116-9-0x00000000000B0000-0x00000000000B7000-memory.dmp

Filesize
28KB

Download
memory/2116-10-0x0000000077BF0000-0x0000000077BF1000-memory.dmp

Filesize
4KB

Download
memory/2116-11-0x0000000077BEF000-0x0000000077BF0000-memory.dmp

Filesize
4KB

Download
memory/2116-12-0x0000000077BEF000-0x0000000077BF1000-memory.dmp

Filesize
8KB

Download
memory/2116-13-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2116-36-0x00000000000B0000-0x00000000000B7000-memory.dmp

Filesize
28KB

Download
memory/3012-8-0x0000000002010000-0x0000000002A10000-memory.dmp

Filesize
10.0MB

Download
memory/3012-0-0x0000000000410000-0x0000000000413000-memory.dmp

Filesize
12KB

Download
memory/3012-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3012-2-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download
memory/3012-35-0x0000000002010000-0x0000000002A10000-memory.dmp

Filesize
10.0MB

Download