tinba | 13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128b

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25/01/2025, 02:15

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General

Target

13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128b.exe
Size

89KB
MD5

885c1fb132c891559083cd0a8a60af10
SHA1

1f4ad1865870427eeebb1aec80ebdf4a4ee8202f
SHA256

13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128b
SHA512

4f4508609ccb041d7bd69ce88a89492223277ab58fb203767eab4c84460e2883e1468f9555bdcd394f696993aab9b07be0c9735f571c48f44809d7fd9a8c7e29
SSDEEP

1536:91+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7a:f+4MJIkLZJNAQ9Jo9a

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\7E512652 = "C:\\Users\\Admin\\AppData\\Roaming\\7E512652\\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/2860-0-0x0000000000400000-0x0000000000418000-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	13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2776	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2776	2860	13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128b.exe	31
PID 2860 wrote to memory of 2776	2860	13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128b.exe	31
PID 2860 wrote to memory of 2776	2860	13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128b.exe	31
PID 2860 wrote to memory of 2776	2860	13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128b.exe	31
PID 2860 wrote to memory of 2776	2860	13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128b.exe	31
PID 2776 wrote to memory of 1352	2776	winver.exe	21
PID 2776 wrote to memory of 1220	2776	winver.exe	19
PID 2776 wrote to memory of 1308	2776	winver.exe	20
PID 2776 wrote to memory of 1352	2776	winver.exe	21
PID 2776 wrote to memory of 796	2776	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1220

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1308

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1352
- C:\Users\Admin\AppData\Local\Temp\13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128b.exe
  "C:\Users\Admin\AppData\Local\Temp\13c56dbd6fc67255336e251cfa23944f5cbb31fb35d91ab470e69ec3b1e0128b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2860
- - 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:2776

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:796

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/796-31-0x0000000077C21000-0x0000000077C22000-memory.dmp

Filesize
4KB

Download
memory/796-25-0x0000000001C70000-0x0000000001C76000-memory.dmp

Filesize
24KB

Download
memory/796-30-0x0000000001C70000-0x0000000001C76000-memory.dmp

Filesize
24KB

Download
memory/1220-27-0x0000000077C21000-0x0000000077C22000-memory.dmp

Filesize
4KB

Download
memory/1220-26-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1308-21-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1308-28-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1352-2-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1352-10-0x0000000077C21000-0x0000000077C22000-memory.dmp

Filesize
4KB

Download
memory/1352-29-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1352-4-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1352-3-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1352-23-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/2776-6-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2776-11-0x0000000077BD0000-0x0000000077D79000-memory.dmp

Filesize
1.7MB

Download
memory/2776-8-0x0000000077DCF000-0x0000000077DD0000-memory.dmp

Filesize
4KB

Download
memory/2776-9-0x0000000077DCF000-0x0000000077DD1000-memory.dmp

Filesize
8KB

Download
memory/2776-7-0x0000000077DD0000-0x0000000077DD1000-memory.dmp

Filesize
4KB

Download
memory/2776-32-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2860-14-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/2860-13-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2860-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2860-5-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/2860-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download