tinba | 978aec02099bfe6c7d2b3d6182c8d729849cdb1685636bfd38d4ff871fe0300f

Analysis

max time kernel
35s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20/12/2023, 17:30

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General

Target
f7e1930541dc23a3ae6fabec7b369ac7.exe
Size 88KB
Sample231220-v3cakaace3
SHA256 978aec02099bfe6c7d2b3d6182c8d729849cdb1685636bfd38d4ff871fe0300f
MD5 f7e1930541dc23a3ae6fabec7b369ac7
SHA1 e3b03093b7b74bf50af576d19758ce573f99cc78
SHA512 b09f5fabe28d056b6d88241b14dacad02ef4317522721c7f80403bfed6f96d2af3c2bf30ee592ed9aa2399c2803d38d66031fd422b24dd4a7acdce1a5ab7b047
SSDEEP 1536:S5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:S5fvp12UFKcD/6jwqWsN
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker 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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A366ACE5 = "C:\\Users\\Admin\\AppData\\Roaming\\A366ACE5\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3624	3656	WerFault.exe	22

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3656	winver.exe
3656	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3656	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 3656	1456	f7e1930541dc23a3ae6fabec7b369ac7.exe	22
PID 1456 wrote to memory of 3656	1456	f7e1930541dc23a3ae6fabec7b369ac7.exe	22
PID 1456 wrote to memory of 3656	1456	f7e1930541dc23a3ae6fabec7b369ac7.exe	22
PID 1456 wrote to memory of 3656	1456	f7e1930541dc23a3ae6fabec7b369ac7.exe	22
PID 3656 wrote to memory of 3420	3656	winver.exe	41
PID 3656 wrote to memory of 2644	3656	winver.exe	53

C:\Users\Admin\AppData\Local\Temp\f7e1930541dc23a3ae6fabec7b369ac7.exe
"C:\Users\Admin\AppData\Local\Temp\f7e1930541dc23a3ae6fabec7b369ac7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\winver.exe
  winver
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 352
    3⤵
    - Program crash
    PID:3624

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3656 -ip 3656
1⤵
PID:1824

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1456-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Download

memory/1456-10-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Download

memory/1456-9-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/1456-2-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Download

memory/2644-17-0x00007FFEC0350000-0x00007FFEC0351000-memory.dmp

Download

memory/2644-14-0x0000000000460000-0x0000000000466000-memory.dmp

Download

memory/3420-8-0x00007FFEC0360000-0x00007FFEC0361000-memory.dmp

Download

memory/3420-3-0x00000000014C0000-0x00000000014C6000-memory.dmp

Download

memory/3420-1-0x00000000014C0000-0x00000000014C6000-memory.dmp

Download

memory/3420-6-0x00007FFEC01CD000-0x00007FFEC01CE000-memory.dmp

Download

memory/3656-5-0x0000000077D92000-0x0000000077D93000-memory.dmp

Download

memory/3656-4-0x0000000000B90000-0x0000000000B96000-memory.dmp

Download

memory/3656-7-0x00000000004A0000-0x00000000004B2000-memory.dmp

Download

memory/3656-15-0x0000000000B90000-0x0000000000B96000-memory.dmp

Download