tinba | 37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/01/2025, 02:47

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General

Target

37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe
Size

45KB
MD5

ceda1a4bd60bb5c95fd34707f07bf818
SHA1

08b63f663dc7e82d4095c13f1d4e8e77e4c49bfa
SHA256

37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd
SHA512

66b4f742fee03170f7960fc57bbec579740fdb9c1b5d0dff72609145aaf4e81e1b6c56d64d919c265150ced441ae1ae179b76db1bc187a43e24b0b86e6566083
SSDEEP

768:WhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:6sWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\585E6D2C = "C:\\Users\\Admin\\AppData\\Roaming\\585E6D2C\\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/2936-0-0x0000000000400000-0x000000000041D000-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	37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2808	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 2936 wrote to memory of 2808	2936	37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe	31
PID 2936 wrote to memory of 2808	2936	37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe	31
PID 2936 wrote to memory of 2808	2936	37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe	31
PID 2936 wrote to memory of 2808	2936	37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe	31
PID 2936 wrote to memory of 2808	2936	37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe	31
PID 2808 wrote to memory of 1192	2808	winver.exe	21
PID 2808 wrote to memory of 1088	2808	winver.exe	18
PID 2808 wrote to memory of 1168	2808	winver.exe	20
PID 2808 wrote to memory of 1192	2808	winver.exe	21
PID 2808 wrote to memory of 1440	2808	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

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\37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe
  "C:\Users\Admin\AppData\Local\Temp\37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2936
- - 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:2808

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1440

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/1088-23-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1088-24-0x0000000077851000-0x0000000077852000-memory.dmp

Filesize
4KB

Download
memory/1168-20-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1192-22-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000077851000-0x0000000077852000-memory.dmp

Filesize
4KB

Download
memory/1192-26-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1440-31-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1440-32-0x0000000077851000-0x0000000077852000-memory.dmp

Filesize
4KB

Download
memory/2808-7-0x0000000077A00000-0x0000000077A01000-memory.dmp

Filesize
4KB

Download
memory/2808-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2808-8-0x00000000779FF000-0x0000000077A00000-memory.dmp

Filesize
4KB

Download
memory/2808-9-0x00000000779FF000-0x0000000077A01000-memory.dmp

Filesize
8KB

Download
memory/2808-25-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2808-11-0x0000000077800000-0x00000000779A9000-memory.dmp

Filesize
1.7MB

Download
memory/2936-13-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2936-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2936-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2936-5-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2936-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download