tinba | 37232dccdad7eff99e1ae4f1507a5bd42c7c5ecb37cde37d8621887cee9f1119

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 15:36

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General

Target

JaffaCakes118_2bc63426004a9ba9a2cab5f2c803dbe9.exe
Size

160KB
MD5

2bc63426004a9ba9a2cab5f2c803dbe9
SHA1

de82a0b4e373c2d2ec63871a441ed6164ea3a507
SHA256

37232dccdad7eff99e1ae4f1507a5bd42c7c5ecb37cde37d8621887cee9f1119
SHA512

16163127b6e92c3919abc136e1bb2807e8b1c75a9a1a33fe9d6a9559e4193dc76a2deff9b2c6658995e540e1ad28940c21cb39c568e5afcb6e2cddedb962be37
SSDEEP

1536:OEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:FY+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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CE2645B6 = "C:\\Users\\Admin\\AppData\\Roaming\\CE2645B6\\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/4672-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1252	4728	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_2bc63426004a9ba9a2cab5f2c803dbe9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4728	winver.exe
4728	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
4728	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 4728	4672	JaffaCakes118_2bc63426004a9ba9a2cab5f2c803dbe9.exe	84
PID 4672 wrote to memory of 4728	4672	JaffaCakes118_2bc63426004a9ba9a2cab5f2c803dbe9.exe	84
PID 4672 wrote to memory of 4728	4672	JaffaCakes118_2bc63426004a9ba9a2cab5f2c803dbe9.exe	84
PID 4672 wrote to memory of 4728	4672	JaffaCakes118_2bc63426004a9ba9a2cab5f2c803dbe9.exe	84
PID 4728 wrote to memory of 3520	4728	winver.exe	56
PID 4728 wrote to memory of 2496	4728	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2496

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bc63426004a9ba9a2cab5f2c803dbe9.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bc63426004a9ba9a2cab5f2c803dbe9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4672
- - 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:4728
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 352
      4⤵
      Program crash
      PID:1252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4728 -ip 4728
1⤵
PID:376

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/2496-13-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FF9C32CD000-0x00007FF9C32CE000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

Filesize
24KB

Download
memory/4672-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4672-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4672-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4672-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4672-1-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/4728-5-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download
memory/4728-7-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/4728-11-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/4728-14-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download