tinba | 58ed499fd4be45d8d89d339fb41da2f2abaf9c2b277eb7b762ef10fd502b9a10

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
16/08/2024, 16:46

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General

Target

5ccecfa7645aef0bb32a051a53c42c50N.exe
Size

106KB
MD5

5ccecfa7645aef0bb32a051a53c42c50
SHA1

2b7fc1f0d1e7e7a5401cdb5172e1a40294dbd9fb
SHA256

58ed499fd4be45d8d89d339fb41da2f2abaf9c2b277eb7b762ef10fd502b9a10
SHA512

135b8cd23f56022ac3d82e50ab31fa06e9f9b3dd903bb50cbc60f3ef6754e5b13596c13dc1951c912e69cb4962f23ff4418efcdb818d9ce989ab652518525b6e
SSDEEP

768:t+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:t+mFM2QXtZgi9Iksu+XM57ipeq9JA

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

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\3CAB23E8 = "C:\\Users\\Admin\\AppData\\Roaming\\3CAB23E8\\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	5ccecfa7645aef0bb32a051a53c42c50N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1720	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 1720	2948	5ccecfa7645aef0bb32a051a53c42c50N.exe	29
PID 2948 wrote to memory of 1720	2948	5ccecfa7645aef0bb32a051a53c42c50N.exe	29
PID 2948 wrote to memory of 1720	2948	5ccecfa7645aef0bb32a051a53c42c50N.exe	29
PID 2948 wrote to memory of 1720	2948	5ccecfa7645aef0bb32a051a53c42c50N.exe	29
PID 2948 wrote to memory of 1720	2948	5ccecfa7645aef0bb32a051a53c42c50N.exe	29
PID 1720 wrote to memory of 1180	1720	winver.exe	21
PID 1720 wrote to memory of 1100	1720	winver.exe	19
PID 1720 wrote to memory of 1156	1720	winver.exe	20
PID 1720 wrote to memory of 1180	1720	winver.exe	21
PID 1720 wrote to memory of 1212	1720	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\5ccecfa7645aef0bb32a051a53c42c50N.exe
  "C:\Users\Admin\AppData\Local\Temp\5ccecfa7645aef0bb32a051a53c42c50N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2948
- - 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:1720

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1212

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/1100-30-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1100-31-0x0000000077151000-0x0000000077152000-memory.dmp

Filesize
4KB

Download
memory/1156-21-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1156-32-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1180-4-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1180-27-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1180-10-0x0000000077151000-0x0000000077152000-memory.dmp

Filesize
4KB

Download
memory/1180-2-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1180-23-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1212-28-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1212-29-0x0000000077151000-0x0000000077152000-memory.dmp

Filesize
4KB

Download
memory/1212-26-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1720-11-0x0000000077100000-0x00000000772A9000-memory.dmp

Filesize
1.7MB

Download
memory/1720-6-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/1720-7-0x0000000077300000-0x0000000077301000-memory.dmp

Filesize
4KB

Download
memory/1720-8-0x00000000772FF000-0x0000000077300000-memory.dmp

Filesize
4KB

Download
memory/1720-9-0x00000000772FF000-0x0000000077301000-memory.dmp

Filesize
8KB

Download
memory/1720-33-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2948-13-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/2948-12-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2948-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2948-5-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/2948-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download