tinba | e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/01/2025, 03:26

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General

Target

e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe
Size

59KB
MD5

11dbd3b89a7eba591434bae7f34feef1
SHA1

16887b950fcd85c3588c06545d12e37fd2f83bd3
SHA256

e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130
SHA512

c2468f73ea78813ee01761055e2ca2cc8411d34da1b4493ff292a0c3d066d8f3aff0ad9ec84c2c58116b4d1a7783bf2373488af1e231c5509f276198f30d7047
SSDEEP

768:T+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9Jn:T+mFM2HXKZgiFP7xIksu+XM5O9Jn

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\3726DC04 = "C:\\Users\\Admin\\AppData\\Roaming\\3726DC04\\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	e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2696	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 2696	1056	e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe	31
PID 1056 wrote to memory of 2696	1056	e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe	31
PID 1056 wrote to memory of 2696	1056	e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe	31
PID 1056 wrote to memory of 2696	1056	e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe	31
PID 1056 wrote to memory of 2696	1056	e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe	31
PID 2696 wrote to memory of 1196	2696	winver.exe	21
PID 2696 wrote to memory of 1104	2696	winver.exe	19
PID 2696 wrote to memory of 1164	2696	winver.exe	20
PID 2696 wrote to memory of 1196	2696	winver.exe	21
PID 2696 wrote to memory of 1672	2696	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe
  "C:\Users\Admin\AppData\Local\Temp\e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1056
- - 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:2696

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1672

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/1056-12-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/1056-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1056-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1056-4-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/1104-27-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1104-35-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1104-28-0x0000000077361000-0x0000000077362000-memory.dmp

Filesize
4KB

Download
memory/1164-19-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1164-30-0x0000000077361000-0x0000000077362000-memory.dmp

Filesize
4KB

Download
memory/1164-29-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1196-9-0x0000000077361000-0x0000000077362000-memory.dmp

Filesize
4KB

Download
memory/1196-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1196-31-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1672-26-0x0000000077361000-0x0000000077362000-memory.dmp

Filesize
4KB

Download
memory/1672-25-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/1672-24-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/2696-5-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2696-6-0x0000000077510000-0x0000000077511000-memory.dmp

Filesize
4KB

Download
memory/2696-7-0x000000007750F000-0x0000000077510000-memory.dmp

Filesize
4KB

Download
memory/2696-8-0x000000007750F000-0x0000000077511000-memory.dmp

Filesize
8KB

Download
memory/2696-32-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2696-10-0x0000000077310000-0x00000000774B9000-memory.dmp

Filesize
1.7MB

Download
memory/2696-37-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download