tinba | 1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f

Analysis

max time kernel
146s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 00:37

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General

Target

JaffaCakes118_40f8d5b0ef42b3f1dc9af41c77f537c4.exe
Size

88KB
MD5

40f8d5b0ef42b3f1dc9af41c77f537c4
SHA1

4bd45492ec4173509dbfd68468ac19031a96240a
SHA256

1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f
SHA512

db5b9b5a9942824441cf5675202eb3a8b2049a8ae6058fa27a7cdb3ad9c0482fb1c77382285bd6e73801014c7b560ade8a17065ebf68e1faef00b3bf2c35052d
SSDEEP

1536:E5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:E5fvp12UFKcD/6jwqWsN

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CE4E85D5 = "C:\\Users\\Admin\\AppData\\Roaming\\CE4E85D5\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2780	212	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_40f8d5b0ef42b3f1dc9af41c77f537c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
212	winver.exe
212	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
212	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 212	4000	JaffaCakes118_40f8d5b0ef42b3f1dc9af41c77f537c4.exe	84
PID 4000 wrote to memory of 212	4000	JaffaCakes118_40f8d5b0ef42b3f1dc9af41c77f537c4.exe	84
PID 4000 wrote to memory of 212	4000	JaffaCakes118_40f8d5b0ef42b3f1dc9af41c77f537c4.exe	84
PID 4000 wrote to memory of 212	4000	JaffaCakes118_40f8d5b0ef42b3f1dc9af41c77f537c4.exe	84
PID 212 wrote to memory of 3512	212	winver.exe	56
PID 212 wrote to memory of 2992	212	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2992

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3512
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40f8d5b0ef42b3f1dc9af41c77f537c4.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40f8d5b0ef42b3f1dc9af41c77f537c4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4000
- - 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:212
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 212 -s 352
      4⤵
      Program crash
      PID:2780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 212 -ip 212
1⤵
PID:3540

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/212-7-0x00007FFE21530000-0x00007FFE21725000-memory.dmp

Filesize
2.0MB

Download
memory/212-5-0x00000000770F2000-0x00000000770F3000-memory.dmp

Filesize
4KB

Download
memory/212-4-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/212-14-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/2992-13-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/3512-2-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/3512-6-0x00007FFE215CD000-0x00007FFE215CE000-memory.dmp

Filesize
4KB

Download
memory/3512-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4000-3-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/4000-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4000-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4000-9-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download