tinba | 7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8

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
03-01-2025 13:00

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General

Target

7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe
Size

45KB
MD5

3b2821014c7c1ab4c405bdc057f89d60
SHA1

2900ea758d2d9ee3dc6ae68191b2eabdce6405c6
SHA256

7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8
SHA512

baaeedfee98dda197bdce6483be752659990f5e1456a737592955a864c9bc88819e138c225ff934145b29d6ecfdfb909aedd0072b012ccae332cee28824d5d50
SSDEEP

768:0hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:4sWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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\0DE1A053 = "C:\\Users\\Admin\\AppData\\Roaming\\0DE1A053\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.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	7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe	29
PID 2868 wrote to memory of 1636	2868	7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe	29
PID 2868 wrote to memory of 1636	2868	7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe	29
PID 2868 wrote to memory of 1636	2868	7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe	29
PID 2868 wrote to memory of 1636	2868	7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.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\7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe
  "C:\Users\Admin\AppData\Local\Temp\7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.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/1112-28-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1112-29-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1164-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1188-27-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1188-26-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1188-24-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

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

Filesize
4KB

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

Filesize
24KB

Download
memory/1192-25-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

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

Filesize
1.7MB

Download
memory/1636-6-0x00000000000F0000-0x00000000000F6000-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/1636-31-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2868-13-0x0000000001B80000-0x0000000002580000-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/2868-5-0x0000000001B80000-0x0000000002580000-memory.dmp

Filesize
10.0MB

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

Filesize
4KB

Download