tinba | 11aff5b34ad8bcd5f4671fc4d22d5c1628a3d744e885203c11f9037f92872883

Analysis

max time kernel
118s
max time network
116s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-10-2024 09:48

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General

Target

11aff5b34ad8bcd5f4671fc4d22d5c1628a3d744e885203c11f9037f92872883N.exe
Size

45KB
MD5

59c2c311f330a02225ba2af6caf15b80
SHA1

dfb8b4034578b3fb979689b9cc68ea37d246fa2d
SHA256

11aff5b34ad8bcd5f4671fc4d22d5c1628a3d744e885203c11f9037f92872883
SHA512

a8acd415a75378bc690806fad5562cafe2ce360810b8be13d1e4f83c1c133339d02e29eaeb5b1d62c0eb0df84a55e219bd9c17048e879f7276e1cf243ea321cf
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:/sWE9N5dFu53dsniQaB/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

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\55C07A07 = "C:\\Users\\Admin\\AppData\\Roaming\\55C07A07\\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/3012-0-0x0000000000400000-0x000000000041D000-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	11aff5b34ad8bcd5f4671fc4d22d5c1628a3d744e885203c11f9037f92872883N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2876	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2876	3012	11aff5b34ad8bcd5f4671fc4d22d5c1628a3d744e885203c11f9037f92872883N.exe	32
PID 3012 wrote to memory of 2876	3012	11aff5b34ad8bcd5f4671fc4d22d5c1628a3d744e885203c11f9037f92872883N.exe	32
PID 3012 wrote to memory of 2876	3012	11aff5b34ad8bcd5f4671fc4d22d5c1628a3d744e885203c11f9037f92872883N.exe	32
PID 3012 wrote to memory of 2876	3012	11aff5b34ad8bcd5f4671fc4d22d5c1628a3d744e885203c11f9037f92872883N.exe	32
PID 3012 wrote to memory of 2876	3012	11aff5b34ad8bcd5f4671fc4d22d5c1628a3d744e885203c11f9037f92872883N.exe	32
PID 2876 wrote to memory of 1220	2876	winver.exe	21
PID 2876 wrote to memory of 1120	2876	winver.exe	19
PID 2876 wrote to memory of 1176	2876	winver.exe	20
PID 2876 wrote to memory of 1220	2876	winver.exe	21
PID 2876 wrote to memory of 1104	2876	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Users\Admin\AppData\Local\Temp\11aff5b34ad8bcd5f4671fc4d22d5c1628a3d744e885203c11f9037f92872883N.exe
  "C:\Users\Admin\AppData\Local\Temp\11aff5b34ad8bcd5f4671fc4d22d5c1628a3d744e885203c11f9037f92872883N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3012
- - 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:2876

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1104

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/1104-24-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1104-29-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1104-30-0x0000000077181000-0x0000000077182000-memory.dmp

Filesize
4KB

Download
memory/1120-25-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1120-26-0x0000000077181000-0x0000000077182000-memory.dmp

Filesize
4KB

Download
memory/1176-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1220-10-0x0000000077181000-0x0000000077182000-memory.dmp

Filesize
4KB

Download
memory/1220-2-0x0000000002F30000-0x0000000002F36000-memory.dmp

Filesize
24KB

Download
memory/1220-22-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1220-31-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1220-3-0x0000000002F30000-0x0000000002F36000-memory.dmp

Filesize
24KB

Download
memory/1220-4-0x0000000002F30000-0x0000000002F36000-memory.dmp

Filesize
24KB

Download
memory/2876-8-0x000000007732F000-0x0000000077330000-memory.dmp

Filesize
4KB

Download
memory/2876-7-0x0000000077330000-0x0000000077331000-memory.dmp

Filesize
4KB

Download
memory/2876-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2876-11-0x0000000077130000-0x00000000772D9000-memory.dmp

Filesize
1.7MB

Download
memory/2876-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2876-9-0x000000007732F000-0x0000000077331000-memory.dmp

Filesize
8KB

Download
memory/2876-27-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3012-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3012-5-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/3012-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3012-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3012-13-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download