tinba | 7c5851b381b86deff879bd0fa71b8f2c139b8b342c26a3c743cd6b451e69c783

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
16/01/2025, 04:45

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General

Target

7c5851b381b86deff879bd0fa71b8f2c139b8b342c26a3c743cd6b451e69c783N.exe
Size

88KB
MD5

41d302db1c11fb440e8908f67d42cc90
SHA1

a443954efcbff1686fa2a1593b000231c8fd1e6a
SHA256

7c5851b381b86deff879bd0fa71b8f2c139b8b342c26a3c743cd6b451e69c783
SHA512

a14735093c7763200834650d9e6d5e3a73419307648faf2e2c73debfb6d570389a8f505d3e4ccdbcbab7b609d0032d5cf05235e9f4bd41964e3e037e597e7963
SSDEEP

1536:ez44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsN:ezvokZR/KM/ysjwqWsN

Score

10^/10

tinba banker discovery persistence trojan

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\A8C00E3F = "C:\\Users\\Admin\\AppData\\Roaming\\A8C00E3F\\bin.exe"	winver.exe

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	7c5851b381b86deff879bd0fa71b8f2c139b8b342c26a3c743cd6b451e69c783N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe
1896	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1896	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 1896	2504	7c5851b381b86deff879bd0fa71b8f2c139b8b342c26a3c743cd6b451e69c783N.exe	32
PID 2504 wrote to memory of 1896	2504	7c5851b381b86deff879bd0fa71b8f2c139b8b342c26a3c743cd6b451e69c783N.exe	32
PID 2504 wrote to memory of 1896	2504	7c5851b381b86deff879bd0fa71b8f2c139b8b342c26a3c743cd6b451e69c783N.exe	32
PID 2504 wrote to memory of 1896	2504	7c5851b381b86deff879bd0fa71b8f2c139b8b342c26a3c743cd6b451e69c783N.exe	32
PID 2504 wrote to memory of 1896	2504	7c5851b381b86deff879bd0fa71b8f2c139b8b342c26a3c743cd6b451e69c783N.exe	32
PID 1896 wrote to memory of 1184	1896	winver.exe	21
PID 1896 wrote to memory of 1060	1896	winver.exe	18
PID 1896 wrote to memory of 1140	1896	winver.exe	20
PID 1896 wrote to memory of 1184	1896	winver.exe	21
PID 1896 wrote to memory of 2040	1896	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1060

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1140

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\7c5851b381b86deff879bd0fa71b8f2c139b8b342c26a3c743cd6b451e69c783N.exe
  "C:\Users\Admin\AppData\Local\Temp\7c5851b381b86deff879bd0fa71b8f2c139b8b342c26a3c743cd6b451e69c783N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - 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:1896

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/1060-24-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1060-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1140-18-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1140-25-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1140-31-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1140-27-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1184-20-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-9-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1184-1-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1184-2-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1184-30-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1896-8-0x00000000772AF000-0x00000000772B1000-memory.dmp

Filesize
8KB

Download
memory/1896-7-0x00000000772AF000-0x00000000772B0000-memory.dmp

Filesize
4KB

Download
memory/1896-6-0x00000000772B0000-0x00000000772B1000-memory.dmp

Filesize
4KB

Download
memory/1896-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1896-10-0x00000000770B0000-0x0000000077259000-memory.dmp

Filesize
1.7MB

Download
memory/1896-26-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1896-35-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2040-28-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2040-29-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/2040-22-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2504-12-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2504-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2504-4-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2504-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download