tinba | ba3e0514b68ab3b610e59ca03f51545014a63ebbcee25f36af3468e6a565254c

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2025, 10:00

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General

Target

JaffaCakes118_9c4ba08904f202f6f2f1da55c246ff62.exe
Size

34KB
MD5

9c4ba08904f202f6f2f1da55c246ff62
SHA1

b32dfa4669d3dc0ad901b0bf54b5b642d7fd6e3d
SHA256

ba3e0514b68ab3b610e59ca03f51545014a63ebbcee25f36af3468e6a565254c
SHA512

6e869ff275585c8ef04cd7492a00ae113af6c826439d1fc5aa5a4e728c53eb065c54b4a45d46c1bdb4910cd21c4c7446a43c71257954cba1a3f8aa416bbc3b21
SSDEEP

768:dp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:dpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E63D30FB = "C:\\Users\\Admin\\AppData\\Roaming\\E63D30FB\\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/3244-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3180	4732	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_9c4ba08904f202f6f2f1da55c246ff62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4732	winver.exe
4732	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4732	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3244 wrote to memory of 4732	3244	JaffaCakes118_9c4ba08904f202f6f2f1da55c246ff62.exe	84
PID 3244 wrote to memory of 4732	3244	JaffaCakes118_9c4ba08904f202f6f2f1da55c246ff62.exe	84
PID 3244 wrote to memory of 4732	3244	JaffaCakes118_9c4ba08904f202f6f2f1da55c246ff62.exe	84
PID 3244 wrote to memory of 4732	3244	JaffaCakes118_9c4ba08904f202f6f2f1da55c246ff62.exe	84
PID 4732 wrote to memory of 3476	4732	winver.exe	56
PID 4732 wrote to memory of 2896	4732	winver.exe	49

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3476
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c4ba08904f202f6f2f1da55c246ff62.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c4ba08904f202f6f2f1da55c246ff62.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3244
- - 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:4732
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 352
      4⤵
      Program crash
      PID:3180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4732 -ip 4732
1⤵
PID:4796

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/2896-13-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3244-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3244-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/3244-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3244-4-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/3244-9-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/3476-2-0x0000000002900000-0x0000000002906000-memory.dmp

Filesize
24KB

Download
memory/3476-6-0x00007FF8DAE2D000-0x00007FF8DAE2E000-memory.dmp

Filesize
4KB

Download
memory/3476-3-0x0000000002900000-0x0000000002906000-memory.dmp

Filesize
24KB

Download
memory/4732-7-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

Filesize
2.0MB

Download
memory/4732-5-0x0000000077C92000-0x0000000077C93000-memory.dmp

Filesize
4KB

Download
memory/4732-11-0x0000000001050000-0x0000000001056000-memory.dmp

Filesize
24KB

Download
memory/4732-14-0x0000000001050000-0x0000000001056000-memory.dmp

Filesize
24KB

Download