tinba | ed69a950d5ba4e2c0338aa5bfe8e5d6ecabb9efcfdc9953f5c8498c7078a18c7

Analysis

max time kernel
149s
max time network
150s
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 01:39

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General

Target

JaffaCakes118_842db3aaa2654ac0b83731079db6c8b7.exe
Size

89KB
MD5

842db3aaa2654ac0b83731079db6c8b7
SHA1

c9b41dbb7644339796e39d931f66417044ff0a3e
SHA256

ed69a950d5ba4e2c0338aa5bfe8e5d6ecabb9efcfdc9953f5c8498c7078a18c7
SHA512

8a4c39e790f5b3ff54acb7105f94acca87052e325de11a87f83a41975dee926969a6ad7b2c9c578b14c1546803fffc60a5d4563f064389b32d144a1b58981db5
SSDEEP

1536:Dr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:X+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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DD694066 = "C:\\Users\\Admin\\AppData\\Roaming\\DD694066\\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/2432-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3348	1988	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_842db3aaa2654ac0b83731079db6c8b7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1988	winver.exe
1988	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1988	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 1988	2432	JaffaCakes118_842db3aaa2654ac0b83731079db6c8b7.exe	84
PID 2432 wrote to memory of 1988	2432	JaffaCakes118_842db3aaa2654ac0b83731079db6c8b7.exe	84
PID 2432 wrote to memory of 1988	2432	JaffaCakes118_842db3aaa2654ac0b83731079db6c8b7.exe	84
PID 2432 wrote to memory of 1988	2432	JaffaCakes118_842db3aaa2654ac0b83731079db6c8b7.exe	84
PID 1988 wrote to memory of 3436	1988	winver.exe	56
PID 1988 wrote to memory of 2332	1988	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2332

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_842db3aaa2654ac0b83731079db6c8b7.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_842db3aaa2654ac0b83731079db6c8b7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2432
- - 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:1988
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 352
      4⤵
      Program crash
      PID:3348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1988 -ip 1988
1⤵
PID:4336

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/1988-7-0x00007FF9EDBF0000-0x00007FF9EDDE5000-memory.dmp

Filesize
2.0MB

Download
memory/1988-15-0x0000000002490000-0x0000000002496000-memory.dmp

Filesize
24KB

Download
memory/1988-11-0x0000000002490000-0x0000000002496000-memory.dmp

Filesize
24KB

Download
memory/1988-5-0x0000000077492000-0x0000000077493000-memory.dmp

Filesize
4KB

Download
memory/2332-16-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/2332-14-0x00007FF9EDC8D000-0x00007FF9EDC8E000-memory.dmp

Filesize
4KB

Download
memory/2332-13-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/2432-9-0x00000000020D0000-0x0000000002AD0000-memory.dmp

Filesize
10.0MB

Download
memory/2432-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2432-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2432-4-0x00000000020D0000-0x0000000002AD0000-memory.dmp

Filesize
10.0MB

Download
memory/2432-1-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/3436-6-0x00007FF9EDC8D000-0x00007FF9EDC8E000-memory.dmp

Filesize
4KB

Download
memory/3436-2-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download