tinba | 58a5c3da58ba1fe901146c4ff7cf5b8008b5d9b1422669bb345c1d10428ca77d

Analysis

max time kernel
137s
max time network
151s
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 23:09

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General

Target

JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe
Size

34KB
MD5

3d58c01552f7aa46c3488c1d3f6aa097
SHA1

75c6573f16141d494d19804083bb97883b24be40
SHA256

58a5c3da58ba1fe901146c4ff7cf5b8008b5d9b1422669bb345c1d10428ca77d
SHA512

34e0b02d1190cde03d09f5ba5e2d9d78169202f9c361376932226081f37246d4910b4ea9d79a3940e68b4aa9f0a2b390b45b47ef110d96b2d119d78d882b7936
SSDEEP

768:pp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:ppYoX58z1uirL98xMWnT0OQ9J2

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E18ECB94 = "C:\\Users\\Admin\\AppData\\Roaming\\E18ECB94\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/212-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
412	3848	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_3d58c01552f7aa46c3488c1d3f6aa097.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3848	winver.exe
3848	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3848	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 3848	212	JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe	83
PID 212 wrote to memory of 3848	212	JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe	83
PID 212 wrote to memory of 3848	212	JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe	83
PID 212 wrote to memory of 3848	212	JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe	83
PID 3848 wrote to memory of 3500	3848	winver.exe	56
PID 3848 wrote to memory of 2896	3848	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2896

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:212
- - 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:3848
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3848 -s 352
      4⤵
      Program crash
      PID:412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3848 -ip 3848
1⤵
PID:4936

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/212-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/212-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/212-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/212-4-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/212-9-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/2896-13-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/3500-3-0x0000000001530000-0x0000000001536000-memory.dmp

Filesize
24KB

Download
memory/3500-6-0x00007FFCC38ED000-0x00007FFCC38EE000-memory.dmp

Filesize
4KB

Download
memory/3500-2-0x0000000001530000-0x0000000001536000-memory.dmp

Filesize
24KB

Download
memory/3848-7-0x00007FFCC3850000-0x00007FFCC3A45000-memory.dmp

Filesize
2.0MB

Download
memory/3848-5-0x0000000077482000-0x0000000077483000-memory.dmp

Filesize
4KB

Download
memory/3848-11-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/3848-14-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download