tinba | 4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 18:29

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General

Target

4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe
Size

225KB
MD5

c39d9d16d2d41ed1cb8637455ff6fc71
SHA1

fc0afb899f5b0704abc30d69333a54c3166940e8
SHA256

4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e
SHA512

d5f99c43a50d21c9b153937eeac00f194403403f91b4c656f9678a23e27038defd9c0549b7ce863cf99a960f31821bb402538c0415236b8234f56c48b7124d0b
SSDEEP

6144:EA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:EATuTAnKGwUAW3ycQqgt

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\F7BD4F10 = "C:\\Users\\Admin\\AppData\\Roaming\\F7BD4F10\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe
2868	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2868	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2868	2476	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe	30
PID 2476 wrote to memory of 2868	2476	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe	30
PID 2476 wrote to memory of 2868	2476	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe	30
PID 2476 wrote to memory of 2868	2476	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe	30
PID 2476 wrote to memory of 2868	2476	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe	30
PID 2868 wrote to memory of 1204	2868	winver.exe	21
PID 2868 wrote to memory of 1104	2868	winver.exe	19
PID 2868 wrote to memory of 1168	2868	winver.exe	20
PID 2868 wrote to memory of 1204	2868	winver.exe	21
PID 2868 wrote to memory of 1628	2868	winver.exe	23
PID 2868 wrote to memory of 2476	2868	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

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\4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe
  "C:\Users\Admin\AppData\Local\Temp\4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2476
- - 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:2868

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1628

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 Information Discovery

T1082

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/1104-26-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1104-11-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1168-14-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1204-17-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1204-6-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1204-27-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/1628-20-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1628-29-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/2476-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2868-25-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2868-4-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2868-5-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2868-31-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download