tinba | d0228da8b6f9adf124220e4d841c6e9a9cb9c9a284d92c8ee57c4647c0ee0595

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 10:36

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General

Target

6152da1eeabaf83d1a4a6293122dd920N.exe
Size

89KB
MD5

6152da1eeabaf83d1a4a6293122dd920
SHA1

0a88a13ae4537010f43da0a32558069219c9b6b0
SHA256

d0228da8b6f9adf124220e4d841c6e9a9cb9c9a284d92c8ee57c4647c0ee0595
SHA512

617373b986a2b848132e6cfb8eb688f6ad00181a83d355d335ae0827843c9f0a42231067bae8e2562f2387dadf0523df43269a86a64b7fcbd685e44779f38d04
SSDEEP

1536:S9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:S9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\CC684399 = "C:\\Users\\Admin\\AppData\\Roaming\\CC684399\\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	6152da1eeabaf83d1a4a6293122dd920N.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe
1640	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1640	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 1640	1480	6152da1eeabaf83d1a4a6293122dd920N.exe	29
PID 1480 wrote to memory of 1640	1480	6152da1eeabaf83d1a4a6293122dd920N.exe	29
PID 1480 wrote to memory of 1640	1480	6152da1eeabaf83d1a4a6293122dd920N.exe	29
PID 1480 wrote to memory of 1640	1480	6152da1eeabaf83d1a4a6293122dd920N.exe	29
PID 1480 wrote to memory of 1640	1480	6152da1eeabaf83d1a4a6293122dd920N.exe	29
PID 1640 wrote to memory of 1184	1640	winver.exe	20
PID 1640 wrote to memory of 1092	1640	winver.exe	18
PID 1640 wrote to memory of 1152	1640	winver.exe	19
PID 1640 wrote to memory of 1184	1640	winver.exe	20
PID 1640 wrote to memory of 1228	1640	winver.exe	22
PID 1640 wrote to memory of 1480	1640	winver.exe	28

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\6152da1eeabaf83d1a4a6293122dd920N.exe
  "C:\Users\Admin\AppData\Local\Temp\6152da1eeabaf83d1a4a6293122dd920N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1480
- - 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:1640

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1228

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/1092-29-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1092-16-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1092-30-0x0000000077A31000-0x0000000077A32000-memory.dmp

Filesize
4KB

Download
memory/1152-19-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1152-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1184-5-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1184-12-0x0000000077A31000-0x0000000077A32000-memory.dmp

Filesize
4KB

Download
memory/1184-22-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1184-1-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1184-28-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1184-2-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1228-25-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1228-32-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1228-33-0x0000000077A31000-0x0000000077A32000-memory.dmp

Filesize
4KB

Download
memory/1480-6-0x0000000002090000-0x0000000002A90000-memory.dmp

Filesize
10.0MB

Download
memory/1480-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1480-34-0x0000000002090000-0x0000000002A90000-memory.dmp

Filesize
10.0MB

Download
memory/1480-0-0x00000000001D0000-0x00000000001D2000-memory.dmp

Filesize
8KB

Download
memory/1640-11-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/1640-7-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1640-8-0x0000000077BE0000-0x0000000077BE1000-memory.dmp

Filesize
4KB

Download
memory/1640-9-0x0000000077BDF000-0x0000000077BE0000-memory.dmp

Filesize
4KB

Download
memory/1640-10-0x0000000077BDF000-0x0000000077BE1000-memory.dmp

Filesize
8KB

Download
memory/1640-13-0x00000000779E0000-0x0000000077B89000-memory.dmp

Filesize
1.7MB

Download
memory/1640-3-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1640-40-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download