tinba | 3c56db20c97c549c981285e30a5c5e36129d9bd0c619e83e2b073fcb41b6de80

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 00:41

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General

Target

3c56db20c97c549c981285e30a5c5e36129d9bd0c619e83e2b073fcb41b6de80.exe
Size

45KB
MD5

5f8f3657e9a5fb3f4032f86827433e7d
SHA1

828c6678b7570c1c2932e14b77044ec521ad5046
SHA256

3c56db20c97c549c981285e30a5c5e36129d9bd0c619e83e2b073fcb41b6de80
SHA512

5b785e6183539a872178e22803412bc32ec2f23ecf183d4a8914f9e18cc06617bdc233f88f396eeb27322266362e7c4ca049774b0f2028f9c6e67c2c45d1715a
SSDEEP

768:ihP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:OsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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\F3510F11 = "C:\\Users\\Admin\\AppData\\Roaming\\F3510F11\\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/2268-0-0x0000000000400000-0x000000000041D000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3c56db20c97c549c981285e30a5c5e36129d9bd0c619e83e2b073fcb41b6de80.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2260	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2260	2268	3c56db20c97c549c981285e30a5c5e36129d9bd0c619e83e2b073fcb41b6de80.exe	31
PID 2268 wrote to memory of 2260	2268	3c56db20c97c549c981285e30a5c5e36129d9bd0c619e83e2b073fcb41b6de80.exe	31
PID 2268 wrote to memory of 2260	2268	3c56db20c97c549c981285e30a5c5e36129d9bd0c619e83e2b073fcb41b6de80.exe	31
PID 2268 wrote to memory of 2260	2268	3c56db20c97c549c981285e30a5c5e36129d9bd0c619e83e2b073fcb41b6de80.exe	31
PID 2268 wrote to memory of 2260	2268	3c56db20c97c549c981285e30a5c5e36129d9bd0c619e83e2b073fcb41b6de80.exe	31
PID 2260 wrote to memory of 1344	2260	winver.exe	21
PID 2260 wrote to memory of 1172	2260	winver.exe	19
PID 2260 wrote to memory of 1284	2260	winver.exe	20
PID 2260 wrote to memory of 1344	2260	winver.exe	21
PID 2260 wrote to memory of 1488	2260	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1284

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1344
- C:\Users\Admin\AppData\Local\Temp\3c56db20c97c549c981285e30a5c5e36129d9bd0c619e83e2b073fcb41b6de80.exe
  "C:\Users\Admin\AppData\Local\Temp\3c56db20c97c549c981285e30a5c5e36129d9bd0c619e83e2b073fcb41b6de80.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2268
- - 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:2260

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1488

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/1172-26-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/1172-27-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1284-28-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1284-20-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1344-3-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1344-10-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1344-4-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1344-2-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1344-25-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1344-22-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1488-35-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

Filesize
24KB

Download
memory/1488-29-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

Filesize
24KB

Download
memory/1488-30-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1488-24-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

Filesize
24KB

Download
memory/2260-11-0x0000000077BE0000-0x0000000077D89000-memory.dmp

Filesize
1.7MB

Download
memory/2260-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2260-7-0x0000000077DE0000-0x0000000077DE1000-memory.dmp

Filesize
4KB

Download
memory/2260-8-0x0000000077DDF000-0x0000000077DE0000-memory.dmp

Filesize
4KB

Download
memory/2260-9-0x0000000077DDF000-0x0000000077DE1000-memory.dmp

Filesize
8KB

Download
memory/2260-31-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2268-14-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/2268-13-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2268-5-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/2268-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2268-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download