tinba | 584203204cc442c6b51a52b92f2e37c8d9c318561b706155cf5e9e54a3097173

Analysis

max time kernel
146s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 05:30

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General

Target

JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe
Size

160KB
MD5

502fe6054f99c7f35bdb8e46ec186a66
SHA1

bd9b3c826f3d69ffdc1c1eed7ec232992eea033f
SHA256

584203204cc442c6b51a52b92f2e37c8d9c318561b706155cf5e9e54a3097173
SHA512

86f458d673ecc47a0e179b6c97367b007fdb19f22705c7d41733bad3ee80fd5ba983b805dd30c1bb26764626ab49cff9d4a3ac0fe704bb985ad4405ba7786007
SSDEEP

1536:vEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:cY+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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C0B1E536 = "C:\\Users\\Admin\\AppData\\Roaming\\C0B1E536\\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/1268-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2356	4084	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_502fe6054f99c7f35bdb8e46ec186a66.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4084	winver.exe
4084	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4084	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 4084	1268	JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe	84
PID 1268 wrote to memory of 4084	1268	JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe	84
PID 1268 wrote to memory of 4084	1268	JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe	84
PID 1268 wrote to memory of 4084	1268	JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe	84
PID 4084 wrote to memory of 3544	4084	winver.exe	56
PID 4084 wrote to memory of 2660	4084	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2660

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1268
- - 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:4084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 352
      4⤵
      Program crash
      PID:2356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4084 -ip 4084
1⤵
PID:2528

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/1268-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1268-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/1268-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1268-4-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/1268-10-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/2660-14-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3544-3-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/3544-7-0x00007FFB7AA4D000-0x00007FFB7AA4E000-memory.dmp

Filesize
4KB

Download
memory/3544-2-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/4084-5-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/4084-8-0x00007FFB7A9B0000-0x00007FFB7ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/4084-6-0x00000000774D2000-0x00000000774D3000-memory.dmp

Filesize
4KB

Download
memory/4084-15-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download