tinba | 04d5643bf6ce4e67e4f8d24e58b0423ff585daf0034bfda0ca762834c3ffeb8e

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 11:33

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General

Target

04d5643bf6ce4e67e4f8d24e58b0423ff585daf0034bfda0ca762834c3ffeb8e.exe
Size

110KB
MD5

0bf1b2c6baa946230d5ed08fe773c265
SHA1

de1e27cbc5f513699e3fa75eadd222cc79137938
SHA256

04d5643bf6ce4e67e4f8d24e58b0423ff585daf0034bfda0ca762834c3ffeb8e
SHA512

9f02cb78ab152f75ea00cb29f963bc11f0cfe7069675fd5ebe4a2a40b6596b474fc461c7816c834599e3e6d7da99dc07e016d9ec58e91299eac90ecc5d9be62f
SSDEEP

1536:giLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:giyvRmDLs/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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\36B21DE1 = "C:\\Users\\Admin\\AppData\\Roaming\\36B21DE1\\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/2900-0-0x0000000000400000-0x000000000041E000-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	04d5643bf6ce4e67e4f8d24e58b0423ff585daf0034bfda0ca762834c3ffeb8e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2516	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 2516	2900	04d5643bf6ce4e67e4f8d24e58b0423ff585daf0034bfda0ca762834c3ffeb8e.exe	31
PID 2900 wrote to memory of 2516	2900	04d5643bf6ce4e67e4f8d24e58b0423ff585daf0034bfda0ca762834c3ffeb8e.exe	31
PID 2900 wrote to memory of 2516	2900	04d5643bf6ce4e67e4f8d24e58b0423ff585daf0034bfda0ca762834c3ffeb8e.exe	31
PID 2900 wrote to memory of 2516	2900	04d5643bf6ce4e67e4f8d24e58b0423ff585daf0034bfda0ca762834c3ffeb8e.exe	31
PID 2900 wrote to memory of 2516	2900	04d5643bf6ce4e67e4f8d24e58b0423ff585daf0034bfda0ca762834c3ffeb8e.exe	31
PID 2516 wrote to memory of 1224	2516	winver.exe	21
PID 2516 wrote to memory of 1100	2516	winver.exe	19
PID 2516 wrote to memory of 1172	2516	winver.exe	20
PID 2516 wrote to memory of 1224	2516	winver.exe	21
PID 2516 wrote to memory of 328	2516	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\04d5643bf6ce4e67e4f8d24e58b0423ff585daf0034bfda0ca762834c3ffeb8e.exe
  "C:\Users\Admin\AppData\Local\Temp\04d5643bf6ce4e67e4f8d24e58b0423ff585daf0034bfda0ca762834c3ffeb8e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2900
- - 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:2516

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:328

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/328-23-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/328-25-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/328-26-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1100-28-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1100-27-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1172-29-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1172-19-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1224-10-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1224-3-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

Filesize
24KB

Download
memory/1224-21-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1224-24-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1224-4-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

Filesize
24KB

Download
memory/1224-2-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

Filesize
24KB

Download
memory/2516-7-0x0000000077080000-0x0000000077081000-memory.dmp

Filesize
4KB

Download
memory/2516-6-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2516-11-0x0000000076E80000-0x0000000077029000-memory.dmp

Filesize
1.7MB

Download
memory/2516-8-0x000000007707F000-0x0000000077080000-memory.dmp

Filesize
4KB

Download
memory/2516-30-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2516-9-0x000000007707F000-0x0000000077081000-memory.dmp

Filesize
8KB

Download
memory/2900-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2900-5-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2900-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2900-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2900-13-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download