tinba | b5ac78837b825c7555b4e63cc52dc3dfb33c342d9141413f413f203b34dc7df8

Analysis

max time kernel
142s
max time network
99s
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, 03:59

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General

Target

JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe
Size

89KB
MD5

8a0e1db4ac2c0a519dce86a7ab27fca5
SHA1

c8f4c0e855b2a4926deb0b5f3306039e7b1d4148
SHA256

b5ac78837b825c7555b4e63cc52dc3dfb33c342d9141413f413f203b34dc7df8
SHA512

f702d49355fac07502b9e29478917705aa374413b53998bd286a2622a3c7ff2942a959bf1479bb7ec0bf82561d2e99e7ac1512b84f9d616a66975c2bd4af2e33
SSDEEP

1536:pr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:t+4MJIkLZJNAQ9Jo9e

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\89389BA6 = "C:\\Users\\Admin\\AppData\\Roaming\\89389BA6\\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/3320-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4212	4552	WerFault.exe	85

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_8a0e1db4ac2c0a519dce86a7ab27fca5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4552	winver.exe
4552	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4552	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3320 wrote to memory of 4552	3320	JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe	85
PID 3320 wrote to memory of 4552	3320	JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe	85
PID 3320 wrote to memory of 4552	3320	JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe	85
PID 3320 wrote to memory of 4552	3320	JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe	85
PID 4552 wrote to memory of 3520	4552	winver.exe	56
PID 4552 wrote to memory of 2652	4552	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3320
- - 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:4552
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 356
      4⤵
      Program crash
      PID:4212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4552 -ip 4552
1⤵
PID:4876

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/2652-13-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/3320-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3320-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3320-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3320-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3320-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/3520-2-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/3520-3-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFF0EE0D000-0x00007FFF0EE0E000-memory.dmp

Filesize
4KB

Download
memory/4552-5-0x0000000076F02000-0x0000000076F03000-memory.dmp

Filesize
4KB

Download
memory/4552-7-0x00007FFF0ED70000-0x00007FFF0EF65000-memory.dmp

Filesize
2.0MB

Download
memory/4552-11-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/4552-14-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download