tinba | f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 21:13

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General

Target

f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe
Size

89KB
MD5

1f65366ce515f030ca88131b275add20
SHA1

60406145f3ab42a45ad9d96b2be0df99fe94d353
SHA256

f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1
SHA512

aad7a7957abb303ff8f219a97794971145fb05efb7a27addd9c255acdca16580bdf5f3788d55c042244371ec7204bf60cae2dfda243dd66d7db9178b9842092a
SSDEEP

1536:T9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:T9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\83F8DD32 = "C:\\Users\\Admin\\AppData\\Roaming\\83F8DD32\\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	f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2536	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 2536	2332	f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe	31
PID 2332 wrote to memory of 2536	2332	f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe	31
PID 2332 wrote to memory of 2536	2332	f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe	31
PID 2332 wrote to memory of 2536	2332	f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe	31
PID 2332 wrote to memory of 2536	2332	f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe	31
PID 2536 wrote to memory of 1368	2536	winver.exe	21
PID 2536 wrote to memory of 1204	2536	winver.exe	19
PID 2536 wrote to memory of 1312	2536	winver.exe	20
PID 2536 wrote to memory of 1368	2536	winver.exe	21
PID 2536 wrote to memory of 620	2536	winver.exe	23
PID 2536 wrote to memory of 2332	2536	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1204

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1312

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1368
- C:\Users\Admin\AppData\Local\Temp\f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe
  "C:\Users\Admin\AppData\Local\Temp\f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2332
- - 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:2536

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:620

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/620-27-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/620-28-0x00000000772D1000-0x00000000772D2000-memory.dmp

Filesize
4KB

Download
memory/620-23-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1204-16-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1204-30-0x00000000772D1000-0x00000000772D2000-memory.dmp

Filesize
4KB

Download
memory/1204-29-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1312-18-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1312-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1368-26-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1368-12-0x00000000772D1000-0x00000000772D2000-memory.dmp

Filesize
4KB

Download
memory/1368-1-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/1368-21-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1368-2-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/1368-5-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/2332-0-0x00000000002C0000-0x00000000002C2000-memory.dmp

Filesize
8KB

Download
memory/2332-6-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/2332-32-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/2332-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2536-13-0x0000000077280000-0x0000000077429000-memory.dmp

Filesize
1.7MB

Download
memory/2536-7-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2536-8-0x0000000077480000-0x0000000077481000-memory.dmp

Filesize
4KB

Download
memory/2536-9-0x000000007747F000-0x0000000077480000-memory.dmp

Filesize
4KB

Download
memory/2536-10-0x000000007747F000-0x0000000077481000-memory.dmp

Filesize
8KB

Download
memory/2536-11-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/2536-3-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2536-38-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download