tinba | e97c30eef28ce966a1477b5a7d22d0fcfecbf89ceb684ef983ede91faf2b4dfd

Analysis

max time kernel
146s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 02:32

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General

Target

JaffaCakes118_865cb072075828bffe5801b283daa796.exe
Size

160KB
MD5

865cb072075828bffe5801b283daa796
SHA1

ad856c3b34c7e71959eaa74252a26ffe044293d0
SHA256

e97c30eef28ce966a1477b5a7d22d0fcfecbf89ceb684ef983ede91faf2b4dfd
SHA512

f5224df0dfae4738ed23e692b0b9e0e20833ed9430ca978e2a1bec6b680924501dbddb2f74c9fbd797465ec38a30c1ee0c5293f0952f1ce806d4728d4cd550b1
SSDEEP

1536:sEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:PY+4MiIkLZJNAQ9J6v

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AF139E66 = "C:\\Users\\Admin\\AppData\\Roaming\\AF139E66\\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/4692-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2228	3584	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_865cb072075828bffe5801b283daa796.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3584	winver.exe
3584	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3584	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 3584	4692	JaffaCakes118_865cb072075828bffe5801b283daa796.exe	83
PID 4692 wrote to memory of 3584	4692	JaffaCakes118_865cb072075828bffe5801b283daa796.exe	83
PID 4692 wrote to memory of 3584	4692	JaffaCakes118_865cb072075828bffe5801b283daa796.exe	83
PID 4692 wrote to memory of 3584	4692	JaffaCakes118_865cb072075828bffe5801b283daa796.exe	83
PID 3584 wrote to memory of 3484	3584	winver.exe	56
PID 3584 wrote to memory of 2440	3584	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2440

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3484
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_865cb072075828bffe5801b283daa796.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_865cb072075828bffe5801b283daa796.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4692
- - 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:3584
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3584 -s 352
      4⤵
      Program crash
      PID:2228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3584 -ip 3584
1⤵
PID:1476

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

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Downloads

memory/2440-13-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/3484-3-0x0000000000F40000-0x0000000000F46000-memory.dmp

Filesize
24KB

Download
memory/3484-2-0x0000000000F40000-0x0000000000F46000-memory.dmp

Filesize
24KB

Download
memory/3484-6-0x00007FFDDD3CD000-0x00007FFDDD3CE000-memory.dmp

Filesize
4KB

Download
memory/3584-5-0x00000000011A0000-0x00000000011A6000-memory.dmp

Filesize
24KB

Download
memory/3584-7-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/3584-14-0x00000000011A0000-0x00000000011A6000-memory.dmp

Filesize
24KB

Download
memory/4692-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4692-1-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/4692-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/4692-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4692-9-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download