tinba | f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 01:43

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General

Target

f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe
Size

54KB
MD5

9810c295a3ce6090afb6eb6ef568de35
SHA1

ada7d134d7c98a40952f7d118ea5d303fad9c9a3
SHA256

f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c
SHA512

091ecd5fb695f52f09a5c7ab3b8ef39213cb3f0447101a97e4f877a35cbc5ad54317cf943a73466f2ceaf810ff537321e22d8d662d11211ee55c69ea70ef9bb8
SSDEEP

768:B3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBy:55tPusSRJDTlLTOpJiaDjts4gfFi2+A

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\2188C7A9 = "C:\\Users\\Admin\\AppData\\Roaming\\2188C7A9\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2128 set thread context of 2356	2128	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 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	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1136	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2128	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2356	2128	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe	30
PID 2128 wrote to memory of 2356	2128	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe	30
PID 2128 wrote to memory of 2356	2128	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe	30
PID 2128 wrote to memory of 2356	2128	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe	30
PID 2128 wrote to memory of 2356	2128	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe	30
PID 2128 wrote to memory of 2356	2128	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe	30
PID 2128 wrote to memory of 2356	2128	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe	30
PID 2356 wrote to memory of 1136	2356	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe	31
PID 2356 wrote to memory of 1136	2356	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe	31
PID 2356 wrote to memory of 1136	2356	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe	31
PID 2356 wrote to memory of 1136	2356	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe	31
PID 2356 wrote to memory of 1136	2356	f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe	31
PID 1136 wrote to memory of 1204	1136	winver.exe	21
PID 1136 wrote to memory of 1116	1136	winver.exe	19
PID 1136 wrote to memory of 1168	1136	winver.exe	20
PID 1136 wrote to memory of 1204	1136	winver.exe	21
PID 1136 wrote to memory of 1528	1136	winver.exe	25
PID 1136 wrote to memory of 2356	1136	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe
  "C:\Users\Admin\AppData\Local\Temp\f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Users\Admin\AppData\Local\Temp\f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe
    "C:\Users\Admin\AppData\Local\Temp\f41e0bebaac53635691f321b48de45e72976310ad78a59f9a8e3448af9a8af2c.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2356
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:1136

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1528

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/1116-30-0x0000000077131000-0x0000000077132000-memory.dmp

Filesize
4KB

Download
memory/1116-29-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/1116-13-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/1136-40-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1136-8-0x00000000001F1000-0x00000000001F2000-memory.dmp

Filesize
4KB

Download
memory/1136-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1136-9-0x00000000001F0000-0x0000000000206000-memory.dmp

Filesize
88KB

Download
memory/1136-27-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1136-28-0x00000000770E0000-0x0000000077289000-memory.dmp

Filesize
1.7MB

Download
memory/1168-15-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1168-31-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1204-19-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077131000-0x0000000077132000-memory.dmp

Filesize
4KB

Download
memory/1204-7-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1204-32-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1528-22-0x0000000002430000-0x0000000002436000-memory.dmp

Filesize
24KB

Download
memory/1528-33-0x0000000002430000-0x0000000002436000-memory.dmp

Filesize
24KB

Download
memory/1528-34-0x0000000077131000-0x0000000077132000-memory.dmp

Filesize
4KB

Download
memory/2356-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download