tinba | a5a707fd5fb89d090d421259fb2bd2c96f95b1947fccace1db372cea6a5e2309

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
11/01/2025, 00:42

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General

Target

JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe
Size

34KB
MD5

f289c83746a93cde20b78d781f4e59d4
SHA1

5407cac585162fab01e19ec06dc5300c6229bba6
SHA256

a5a707fd5fb89d090d421259fb2bd2c96f95b1947fccace1db372cea6a5e2309
SHA512

db1aa4180254aafc8c3df6a396f991c64af9d4aa95e9967f77e98060b35bb7e70ac481ff13ee4238ff586948d78353f890f033ce43a3a08a9018269e9dc8bfc0
SSDEEP

768:ip22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:ipYoX58z1uirL98xMWnT0OQ9J2

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\337774C4 = "C:\\Users\\Admin\\AppData\\Roaming\\337774C4\\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/664-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3316	2512	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2512	winver.exe
2512	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
2512	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 664 wrote to memory of 2512	664	JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe	84
PID 664 wrote to memory of 2512	664	JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe	84
PID 664 wrote to memory of 2512	664	JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe	84
PID 664 wrote to memory of 2512	664	JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe	84
PID 2512 wrote to memory of 3420	2512	winver.exe	56
PID 2512 wrote to memory of 2836	2512	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2836

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f289c83746a93cde20b78d781f4e59d4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:664
- - 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:2512
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 352
      4⤵
      Program crash
      PID:3316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2512 -ip 2512
1⤵
PID:2232

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/664-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/664-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/664-10-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/664-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/664-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/2512-6-0x0000000077E72000-0x0000000077E73000-memory.dmp

Filesize
4KB

Download
memory/2512-5-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/2512-8-0x00007FFBCB870000-0x00007FFBCBA65000-memory.dmp

Filesize
2.0MB

Download
memory/2512-15-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/2836-14-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/3420-7-0x00007FFBCB90D000-0x00007FFBCB90E000-memory.dmp

Filesize
4KB

Download
memory/3420-2-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download
memory/3420-3-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download