tinba | 05a0d757241855a50f31a3b47da032b5102a787bb91f8fc507d1029335840a81

Analysis

max time kernel
130s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 21:49

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General

Target

JaffaCakes118_ef2572da35a341b1dd1f06f7f85cd99c.exe
Size

34KB
MD5

ef2572da35a341b1dd1f06f7f85cd99c
SHA1

68a0ed2400bee714638d435b34e0fa35d343389a
SHA256

05a0d757241855a50f31a3b47da032b5102a787bb91f8fc507d1029335840a81
SHA512

dd35d0f00b6f67823ae2d0242df85b749730c96aad0e90481b328dc18b6c9095ebfa5f74763b3336ed3ad1f572d83cd1822cc036a96fb3a35b5e0f8bde786665
SSDEEP

768:Hp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:HpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8003C721 = "C:\\Users\\Admin\\AppData\\Roaming\\8003C721\\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/2424-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4172	1736	WerFault.exe	84

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_ef2572da35a341b1dd1f06f7f85cd99c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1736	winver.exe
1736	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1736	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 1736	2424	JaffaCakes118_ef2572da35a341b1dd1f06f7f85cd99c.exe	84
PID 2424 wrote to memory of 1736	2424	JaffaCakes118_ef2572da35a341b1dd1f06f7f85cd99c.exe	84
PID 2424 wrote to memory of 1736	2424	JaffaCakes118_ef2572da35a341b1dd1f06f7f85cd99c.exe	84
PID 2424 wrote to memory of 1736	2424	JaffaCakes118_ef2572da35a341b1dd1f06f7f85cd99c.exe	84
PID 1736 wrote to memory of 3356	1736	winver.exe	55
PID 1736 wrote to memory of 2672	1736	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2672

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3356
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef2572da35a341b1dd1f06f7f85cd99c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef2572da35a341b1dd1f06f7f85cd99c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2424
- - 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:1736
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 352
      4⤵
      Program crash
      PID:4172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1736 -ip 1736
1⤵
PID:3472

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/1736-6-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

Filesize
2.0MB

Download
memory/1736-10-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1736-13-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/2424-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2424-1-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/2424-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2424-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2424-8-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2672-12-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/3356-3-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3356-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3356-5-0x00007FFA5B00D000-0x00007FFA5B00E000-memory.dmp

Filesize
4KB

Download