tinba | 67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 03:45

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General

Target

67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe
Size

110KB
MD5

14706fb3fed857d23e52c399214b7850
SHA1

d2688373b5c00cb1950486e41d53b0f9489b8328
SHA256

67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5
SHA512

2ba9baefa570128b10ce0129be35ff35b73fe3e3002b2887f075d191c690dab67801c089de704db8814e14c3ce9cd3d1424eb77e80693f72265c54207827746b
SSDEEP

1536:UiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:UiyvRmDLs/ZrwWJjAqGcRJ2hA

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\91F64CCF = "C:\\Users\\Admin\\AppData\\Roaming\\91F64CCF\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2652-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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	67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe
2380	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2380	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 10 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2380	2652	67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe	31
PID 2652 wrote to memory of 2380	2652	67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe	31
PID 2652 wrote to memory of 2380	2652	67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe	31
PID 2652 wrote to memory of 2380	2652	67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe	31
PID 2652 wrote to memory of 2380	2652	67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe	31
PID 2380 wrote to memory of 1192	2380	winver.exe	21
PID 2380 wrote to memory of 1108	2380	winver.exe	19
PID 2380 wrote to memory of 1152	2380	winver.exe	20
PID 2380 wrote to memory of 1192	2380	winver.exe	21
PID 2380 wrote to memory of 844	2380	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

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

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\67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe
  "C:\Users\Admin\AppData\Local\Temp\67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2652
- - 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:2380

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:844

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/844-30-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/844-25-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/844-31-0x0000000077731000-0x0000000077732000-memory.dmp

Filesize
4KB

Download
memory/1108-28-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1152-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1152-27-0x0000000077731000-0x0000000077732000-memory.dmp

Filesize
4KB

Download
memory/1152-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1192-11-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1192-12-0x0000000077731000-0x0000000077732000-memory.dmp

Filesize
4KB

Download
memory/1192-3-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1192-23-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1192-29-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/2380-9-0x0000000000961000-0x0000000000962000-memory.dmp

Filesize
4KB

Download
memory/2380-17-0x00000000776E0000-0x0000000077889000-memory.dmp

Filesize
1.7MB

Download
memory/2380-5-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2380-6-0x00000000778E0000-0x00000000778E1000-memory.dmp

Filesize
4KB

Download
memory/2380-7-0x00000000778DF000-0x00000000778E0000-memory.dmp

Filesize
4KB

Download
memory/2380-8-0x00000000778DF000-0x00000000778E1000-memory.dmp

Filesize
8KB

Download
memory/2652-14-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2652-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2652-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2652-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2652-4-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download