tinba | 504e5b2adcdba603b0f834ea123516323663eba4bd967581505d3896d5e800d2

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 14:46

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General

Target

504e5b2adcdba603b0f834ea123516323663eba4bd967581505d3896d5e800d2N.exe
Size

59KB
MD5

b92c99412818165e9d51563b3f5056f0
SHA1

70013f6035f49988a01e1f2479cbe647ff64679b
SHA256

504e5b2adcdba603b0f834ea123516323663eba4bd967581505d3896d5e800d2
SHA512

e439a2a77ee533d055768ccb62210c59af05324c75128fe791038b3c4fd9268b9265254f837dc8eff36dc6a0b01e7919610a8ef56df700a2b0a2bfceda5c280c
SSDEEP

768:z+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9Jf:z+mFM2HXKZgiFP7xIksu+XM5O9Jf

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\E8595725 = "C:\\Users\\Admin\\AppData\\Roaming\\E8595725\\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	504e5b2adcdba603b0f834ea123516323663eba4bd967581505d3896d5e800d2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3004	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 3004	2112	504e5b2adcdba603b0f834ea123516323663eba4bd967581505d3896d5e800d2N.exe	31
PID 2112 wrote to memory of 3004	2112	504e5b2adcdba603b0f834ea123516323663eba4bd967581505d3896d5e800d2N.exe	31
PID 2112 wrote to memory of 3004	2112	504e5b2adcdba603b0f834ea123516323663eba4bd967581505d3896d5e800d2N.exe	31
PID 2112 wrote to memory of 3004	2112	504e5b2adcdba603b0f834ea123516323663eba4bd967581505d3896d5e800d2N.exe	31
PID 2112 wrote to memory of 3004	2112	504e5b2adcdba603b0f834ea123516323663eba4bd967581505d3896d5e800d2N.exe	31
PID 3004 wrote to memory of 1208	3004	winver.exe	21
PID 3004 wrote to memory of 1112	3004	winver.exe	19
PID 3004 wrote to memory of 1176	3004	winver.exe	20
PID 3004 wrote to memory of 1208	3004	winver.exe	21
PID 3004 wrote to memory of 1108	3004	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\504e5b2adcdba603b0f834ea123516323663eba4bd967581505d3896d5e800d2N.exe
  "C:\Users\Admin\AppData\Local\Temp\504e5b2adcdba603b0f834ea123516323663eba4bd967581505d3896d5e800d2N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2112
- - 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:3004

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1108

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/1108-31-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

Filesize
24KB

Download
memory/1108-25-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

Filesize
24KB

Download
memory/1108-32-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

Download
memory/1112-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

Download
memory/1176-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1208-1-0x0000000002CF0000-0x0000000002CF6000-memory.dmp

Filesize
24KB

Download
memory/1208-28-0x0000000002860000-0x0000000002866000-memory.dmp

Filesize
24KB

Download
memory/1208-9-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

Download
memory/1208-3-0x0000000002CF0000-0x0000000002CF6000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x0000000002CF0000-0x0000000002CF6000-memory.dmp

Filesize
24KB

Download
memory/1208-22-0x0000000002860000-0x0000000002866000-memory.dmp

Filesize
24KB

Download
memory/2112-4-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/2112-12-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/2112-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2112-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3004-5-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/3004-30-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/3004-8-0x00000000777AF000-0x00000000777B1000-memory.dmp

Filesize
8KB

Download
memory/3004-10-0x00000000775B0000-0x0000000077759000-memory.dmp

Filesize
1.7MB

Download
memory/3004-7-0x00000000777AF000-0x00000000777B0000-memory.dmp

Filesize
4KB

Download
memory/3004-6-0x00000000777B0000-0x00000000777B1000-memory.dmp

Filesize
4KB

Download