tinba | 7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafc

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
07-12-2024 04:14

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General

Target

7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe
Size

45KB
MD5

64b691c3a11e721b54ec228482cb68b0
SHA1

2b6396240569b2846a27d42b0e086f247edaaa95
SHA256

7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafc
SHA512

a75c4162755769570691e3d43ad5b313e1d11e83fa97e626d0f5c7914bc1e86018698b18b0b5c38b5be62bbd21a2393009e0bab8825663670780fdc7d46378b7
SSDEEP

768:shP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:AsWE9N5dFu53dsniQaB/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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\223C989D = "C:\\Users\\Admin\\AppData\\Roaming\\223C989D\\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/3056-0-0x0000000000400000-0x000000000041D000-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	7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2680	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2680	3056	7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe	32
PID 3056 wrote to memory of 2680	3056	7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe	32
PID 3056 wrote to memory of 2680	3056	7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe	32
PID 3056 wrote to memory of 2680	3056	7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe	32
PID 3056 wrote to memory of 2680	3056	7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe	32
PID 2680 wrote to memory of 1120	2680	winver.exe	20
PID 2680 wrote to memory of 1048	2680	winver.exe	17
PID 2680 wrote to memory of 1076	2680	winver.exe	19
PID 2680 wrote to memory of 1120	2680	winver.exe	20
PID 2680 wrote to memory of 1236	2680	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1048

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1076

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1120
- C:\Users\Admin\AppData\Local\Temp\7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe
  "C:\Users\Admin\AppData\Local\Temp\7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3056
- - 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:2680

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1236

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/1048-25-0x00000000772E1000-0x00000000772E2000-memory.dmp

Filesize
4KB

Download
memory/1048-24-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1076-19-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1076-26-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1120-3-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1120-2-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1120-21-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1120-10-0x00000000772E1000-0x00000000772E2000-memory.dmp

Filesize
4KB

Download
memory/1120-4-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1120-27-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1236-23-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1236-29-0x00000000772E1000-0x00000000772E2000-memory.dmp

Filesize
4KB

Download
memory/1236-35-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1236-28-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1236-31-0x00000000772E1000-0x00000000772E2000-memory.dmp

Filesize
4KB

Download
memory/2680-11-0x0000000077290000-0x0000000077439000-memory.dmp

Filesize
1.7MB

Download
memory/2680-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2680-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2680-7-0x0000000077490000-0x0000000077491000-memory.dmp

Filesize
4KB

Download
memory/2680-8-0x000000007748F000-0x0000000077490000-memory.dmp

Filesize
4KB

Download
memory/2680-9-0x000000007748F000-0x0000000077491000-memory.dmp

Filesize
8KB

Download
memory/3056-13-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/3056-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3056-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3056-5-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/3056-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download