tinba | 406b287e62a3c538c5d1360653074174b82f89fc44ba5d04ecd877ae8ad7aa80

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 08:40

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General

Target

JaffaCakes118_0ec00514307313ccb907d3a165b45a46.exe
Size

88KB
MD5

0ec00514307313ccb907d3a165b45a46
SHA1

5b68a9f2ba62e6e30a58f75880988c4954f1cf20
SHA256

406b287e62a3c538c5d1360653074174b82f89fc44ba5d04ecd877ae8ad7aa80
SHA512

e62e75c616f50e25ae61a3a1bf337d298850b4a3585c94e59364f862d050a08f84fe857a837a1091a75a2294fe61b2ac8b5b063a15f6a66c71690c6851ffabd4
SSDEEP

1536:T5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:T5fvp12UFKcD/6jwqWsN

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4A55FB77 = "C:\\Users\\Admin\\AppData\\Roaming\\4A55FB77\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2564	2584	WerFault.exe	83

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	JaffaCakes118_0ec00514307313ccb907d3a165b45a46.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2584	winver.exe
2584	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2584	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 2584	1448	JaffaCakes118_0ec00514307313ccb907d3a165b45a46.exe	83
PID 1448 wrote to memory of 2584	1448	JaffaCakes118_0ec00514307313ccb907d3a165b45a46.exe	83
PID 1448 wrote to memory of 2584	1448	JaffaCakes118_0ec00514307313ccb907d3a165b45a46.exe	83
PID 1448 wrote to memory of 2584	1448	JaffaCakes118_0ec00514307313ccb907d3a165b45a46.exe	83
PID 2584 wrote to memory of 3444	2584	winver.exe	56
PID 2584 wrote to memory of 2940	2584	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2940

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ec00514307313ccb907d3a165b45a46.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ec00514307313ccb907d3a165b45a46.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1448
- - 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:2584
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 352
      4⤵
      Program crash
      PID:2564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2584 -ip 2584
1⤵
PID:4756

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/1448-9-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/1448-3-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/1448-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1448-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2584-4-0x0000000077902000-0x0000000077903000-memory.dmp

Filesize
4KB

Download
memory/2584-7-0x00007FFF66610000-0x00007FFF66805000-memory.dmp

Filesize
2.0MB

Download
memory/2584-11-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/2584-14-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/2940-13-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3444-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FFF666AC000-0x00007FFF666AD000-memory.dmp

Filesize
4KB

Download
memory/3444-5-0x00007FFF666AD000-0x00007FFF666AE000-memory.dmp

Filesize
4KB

Download