tinba | 0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 14:10

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General

Target

0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe
Size

45KB
MD5

a8839c1b865c3d49228179aed0cfb120
SHA1

21465fde8b00e8f68ab07c73fafdd848d5894f1d
SHA256

0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8
SHA512

b84b661ef68522d4949ec6c6dc886d00a1a40207041da2d785a91ea1d537e216607b7d66f391403ea4844dc331d647cb189cacfc209f7edcbca96c6fffbd8ff0
SSDEEP

768:HhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:BsWE9N5dFu53dsniQaB/xZ14n7zIF+qh

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\157BD713 = "C:\\Users\\Admin\\AppData\\Roaming\\157BD713\\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/2868-0-0x0000000000400000-0x000000000041D000-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	0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1636	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 2868 wrote to memory of 1636	2868	0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe	29
PID 2868 wrote to memory of 1636	2868	0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe	29
PID 2868 wrote to memory of 1636	2868	0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe	29
PID 2868 wrote to memory of 1636	2868	0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe	29
PID 2868 wrote to memory of 1636	2868	0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe	29
PID 1636 wrote to memory of 1192	1636	winver.exe	21
PID 1636 wrote to memory of 1112	1636	winver.exe	19
PID 1636 wrote to memory of 1164	1636	winver.exe	20
PID 1636 wrote to memory of 1192	1636	winver.exe	21
PID 1636 wrote to memory of 1188	1636	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

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\0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe
  "C:\Users\Admin\AppData\Local\Temp\0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2868
- - 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:1636

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1188

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/1112-28-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1112-27-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1164-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-25-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1188-23-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1188-26-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1192-2-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1192-24-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1192-21-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1636-11-0x0000000077960000-0x0000000077B09000-memory.dmp

Filesize
1.7MB

Download
memory/1636-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1636-7-0x0000000077B60000-0x0000000077B61000-memory.dmp

Filesize
4KB

Download
memory/1636-8-0x0000000077B5F000-0x0000000077B60000-memory.dmp

Filesize
4KB

Download
memory/1636-9-0x0000000077B5F000-0x0000000077B61000-memory.dmp

Filesize
8KB

Download
memory/1636-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2868-13-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2868-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2868-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2868-5-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2868-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download