tinba | acc2b8e45dd204f23cc89ba43e3183b5d9fb4054ce3ac8e142713cd3b1565b8d

Analysis

max time kernel
146s
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
05-01-2025 09:58

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General

Target

JaffaCakes118_9c28bc099daa1f1e53c219492588533c.exe
Size

34KB
MD5

9c28bc099daa1f1e53c219492588533c
SHA1

441e578b34402a21f10232f7bded2ce8515d1d66
SHA256

acc2b8e45dd204f23cc89ba43e3183b5d9fb4054ce3ac8e142713cd3b1565b8d
SHA512

7b56f040d343d3579b857f0fabfb815bac37f7cbebd2ceaaa2e045378d2be90153511242b84c1938724c95e96e32e7d217adb6ed61e7e762dd122471385208c8
SSDEEP

768:sp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:spYoX58z1uirL98xMWnT0OQ9J2

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\DB8BFE29 = "C:\\Users\\Admin\\AppData\\Roaming\\DB8BFE29\\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/2672-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4244	608	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_9c28bc099daa1f1e53c219492588533c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
608	winver.exe
608	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
608	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 608	2672	JaffaCakes118_9c28bc099daa1f1e53c219492588533c.exe	84
PID 2672 wrote to memory of 608	2672	JaffaCakes118_9c28bc099daa1f1e53c219492588533c.exe	84
PID 2672 wrote to memory of 608	2672	JaffaCakes118_9c28bc099daa1f1e53c219492588533c.exe	84
PID 2672 wrote to memory of 608	2672	JaffaCakes118_9c28bc099daa1f1e53c219492588533c.exe	84
PID 608 wrote to memory of 3432	608	winver.exe	56
PID 608 wrote to memory of 2852	608	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2852

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c28bc099daa1f1e53c219492588533c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c28bc099daa1f1e53c219492588533c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2672
- - 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:608
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 608 -s 352
      4⤵
      Program crash
      PID:4244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 608 -ip 608
1⤵
PID:2108

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/608-5-0x0000000077A12000-0x0000000077A13000-memory.dmp

Filesize
4KB

Download
memory/608-15-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/608-12-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/608-7-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2672-10-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/2672-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/2672-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2672-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2672-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2852-14-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFA2206D000-0x00007FFA2206E000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download