tinba | 300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0d

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/11/2024, 11:55

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General

Target

300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe
Size

106KB
MD5

375004985301fcc97684a54b77cafce0
SHA1

98a6f18fb029beca2718201b17d0c18a49ef013a
SHA256

300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0d
SHA512

31e3f3984e9559dfa25e7104ffb09637a8b6a0d4a95d469e9d16cdfa0a6b1df0c9a158f57c77defd89281067efe7b80cd66a9c724e7f82d931ef6ca5714eee5f
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
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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\21B2BC6C = "C:\\Users\\Admin\\AppData\\Roaming\\21B2BC6C\\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	300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2104	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 2104	1236	300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe	31
PID 1236 wrote to memory of 2104	1236	300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe	31
PID 1236 wrote to memory of 2104	1236	300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe	31
PID 1236 wrote to memory of 2104	1236	300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe	31
PID 1236 wrote to memory of 2104	1236	300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe	31
PID 2104 wrote to memory of 1204	2104	winver.exe	21
PID 2104 wrote to memory of 1100	2104	winver.exe	19
PID 2104 wrote to memory of 1156	2104	winver.exe	20
PID 2104 wrote to memory of 1204	2104	winver.exe	21

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe
  "C:\Users\Admin\AppData\Local\Temp\300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1236
- - 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:2104

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/1100-22-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1100-23-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1156-19-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1156-24-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1204-25-0x0000000002860000-0x0000000002866000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x00000000028B0000-0x00000000028B6000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x00000000028B0000-0x00000000028B6000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x00000000028B0000-0x00000000028B6000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x0000000002860000-0x0000000002866000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1236-5-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/1236-12-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1236-13-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/1236-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1236-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2104-7-0x0000000077AE0000-0x0000000077AE1000-memory.dmp

Filesize
4KB

Download
memory/2104-8-0x0000000077ADF000-0x0000000077AE0000-memory.dmp

Filesize
4KB

Download
memory/2104-9-0x0000000077ADF000-0x0000000077AE1000-memory.dmp

Filesize
8KB

Download
memory/2104-11-0x00000000778E0000-0x0000000077A89000-memory.dmp

Filesize
1.7MB

Download
memory/2104-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2104-26-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2104-30-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download