tinba | f588aed066eb8b6df5e1b31310b84a33ab5356ed3912bbb1314697733cfbfead

Analysis

max time kernel
150s
max time network
149s
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, 17:19

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General

Target
JaffaCakes118_3051d40af1c2f2dc6b661a002c52c53a.exe
Size 160KB
Sample250106-vv9absslg1
SHA256 f588aed066eb8b6df5e1b31310b84a33ab5356ed3912bbb1314697733cfbfead
MD5 3051d40af1c2f2dc6b661a002c52c53a
SHA1 d2ce8a0017523774733dc500fdb567eff2afc6c7
SHA512 ee021ab13db864ec570c0eebcb658fa8d3f164e2b18e2f5d8d8a084de95b2d09faa521a0d524690da6e6b7647225415a1362756d8bf8dbf59f41b8b04db0ee67
SSDEEP 1536:SEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:ZY+4MiIkLZJNAQ9J6v
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7C73E38F = "C:\\Users\\Admin\\AppData\\Roaming\\7C73E38F\\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/2324-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1888	2368	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_3051d40af1c2f2dc6b661a002c52c53a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2368	winver.exe
2368	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2368	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2368	2324	JaffaCakes118_3051d40af1c2f2dc6b661a002c52c53a.exe	84
PID 2324 wrote to memory of 2368	2324	JaffaCakes118_3051d40af1c2f2dc6b661a002c52c53a.exe	84
PID 2324 wrote to memory of 2368	2324	JaffaCakes118_3051d40af1c2f2dc6b661a002c52c53a.exe	84
PID 2324 wrote to memory of 2368	2324	JaffaCakes118_3051d40af1c2f2dc6b661a002c52c53a.exe	84
PID 2368 wrote to memory of 3464	2368	winver.exe	56
PID 2368 wrote to memory of 2944	2368	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2944

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3464
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3051d40af1c2f2dc6b661a002c52c53a.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3051d40af1c2f2dc6b661a002c52c53a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2324
- - 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:2368
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 352
      4⤵
      Program crash
      PID:1888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2368 -ip 2368
1⤵
PID:5000

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/2324-0-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/2324-1-0x0000000000890000-0x0000000000891000-memory.dmp

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memory/2324-10-0x00000000021E0000-0x0000000002BE0000-memory.dmp

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memory/2324-9-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/2324-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

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memory/2368-5-0x0000000076ED2000-0x0000000076ED3000-memory.dmp

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memory/2368-7-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

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memory/2368-12-0x00000000023C0000-0x00000000023C6000-memory.dmp

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memory/2368-15-0x00000000023C0000-0x00000000023C6000-memory.dmp

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memory/2944-14-0x0000000000B10000-0x0000000000B16000-memory.dmp

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memory/3464-6-0x00007FFD53F8D000-0x00007FFD53F8E000-memory.dmp

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memory/3464-3-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

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memory/3464-2-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

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