tinba | 4bbd83323898dd9007c5589d362ec4b92d17da70d0e91d32c06f569c30181f24

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 04:49

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General

Target

4bbd83323898dd9007c5589d362ec4b92d17da70d0e91d32c06f569c30181f24N.exe
Size

96KB
MD5

0b38ba000d211aa790a33bc8debaa130
SHA1

449c0127dbb21a9d4151dbb46fb166c4c1f73d61
SHA256

4bbd83323898dd9007c5589d362ec4b92d17da70d0e91d32c06f569c30181f24
SHA512

60f237fcb7d08b9501818e83206616d8a28f4d02380ed541b0aa6497a3faf0aa056fed2a2cec6a37f7a80003305bf8891cd9dbafbe85196d44869d0502457ef7
SSDEEP

1536:sE9QCVQ8B9/ui73aOtH0nrFgUhRwqjhurmKFct:OCVX/uMKacdhTjAqGct

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\46C79440 = "C:\\Users\\Admin\\AppData\\Roaming\\46C79440\\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	4bbd83323898dd9007c5589d362ec4b92d17da70d0e91d32c06f569c30181f24N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe
756	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
756	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 756	2556	4bbd83323898dd9007c5589d362ec4b92d17da70d0e91d32c06f569c30181f24N.exe	31
PID 2556 wrote to memory of 756	2556	4bbd83323898dd9007c5589d362ec4b92d17da70d0e91d32c06f569c30181f24N.exe	31
PID 2556 wrote to memory of 756	2556	4bbd83323898dd9007c5589d362ec4b92d17da70d0e91d32c06f569c30181f24N.exe	31
PID 2556 wrote to memory of 756	2556	4bbd83323898dd9007c5589d362ec4b92d17da70d0e91d32c06f569c30181f24N.exe	31
PID 2556 wrote to memory of 756	2556	4bbd83323898dd9007c5589d362ec4b92d17da70d0e91d32c06f569c30181f24N.exe	31
PID 756 wrote to memory of 1196	756	winver.exe	21
PID 756 wrote to memory of 1100	756	winver.exe	19
PID 756 wrote to memory of 1160	756	winver.exe	20
PID 756 wrote to memory of 1196	756	winver.exe	21
PID 756 wrote to memory of 1208	756	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:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\4bbd83323898dd9007c5589d362ec4b92d17da70d0e91d32c06f569c30181f24N.exe
  "C:\Users\Admin\AppData\Local\Temp\4bbd83323898dd9007c5589d362ec4b92d17da70d0e91d32c06f569c30181f24N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - 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:756

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1208

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/756-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/756-10-0x0000000077050000-0x00000000771F9000-memory.dmp

Filesize
1.7MB

Download
memory/756-23-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/756-8-0x000000007724F000-0x0000000077251000-memory.dmp

Filesize
8KB

Download
memory/756-7-0x000000007724F000-0x0000000077250000-memory.dmp

Filesize
4KB

Download
memory/756-6-0x0000000077250000-0x0000000077251000-memory.dmp

Filesize
4KB

Download
memory/1100-21-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1100-22-0x00000000770A1000-0x00000000770A2000-memory.dmp

Filesize
4KB

Download
memory/1160-18-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-9-0x00000000770A1000-0x00000000770A2000-memory.dmp

Filesize
4KB

Download
memory/1196-2-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-28-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-20-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1208-30-0x00000000770A1000-0x00000000770A2000-memory.dmp

Filesize
4KB

Download
memory/1208-29-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/2556-12-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2556-4-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2556-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2556-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download