tinba | 8af5e04e0db9c8a9bf229cf4ab7acc7aa46a6b97eb0d3ce25a17d28ff720abf6

Analysis

max time kernel
137s
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
08/01/2025, 09:20

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General

Target

JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe
Size

88KB
MD5

981276a7d3caf5350204e26ff147fa8c
SHA1

6b7a0d6e5bc2d0d0043b2bac2e8aa60718085937
SHA256

8af5e04e0db9c8a9bf229cf4ab7acc7aa46a6b97eb0d3ce25a17d28ff720abf6
SHA512

34548b8dccff6d15918c5148e31793db0e4e78808c739db62755ab01b52aecd271c367772d7c1a3ec32af9b0e09279e528fdf77e71a52055899ed10c69447850
SSDEEP

1536:S5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:S5fvp12UFKcD/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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D0D73DA8 = "C:\\Users\\Admin\\AppData\\Roaming\\D0D73DA8\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
832	1572	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_981276a7d3caf5350204e26ff147fa8c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1572	winver.exe
1572	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1572	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 1572	4604	JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe	84
PID 4604 wrote to memory of 1572	4604	JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe	84
PID 4604 wrote to memory of 1572	4604	JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe	84
PID 4604 wrote to memory of 1572	4604	JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe	84
PID 1572 wrote to memory of 3428	1572	winver.exe	56
PID 1572 wrote to memory of 2744	1572	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2744

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4604
- - 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:1572
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1572 -s 352
      4⤵
      Program crash
      PID:832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1572 -ip 1572
1⤵
PID:4512

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/1572-10-0x0000000001410000-0x0000000001416000-memory.dmp

Filesize
24KB

Download
memory/1572-4-0x0000000077572000-0x0000000077573000-memory.dmp

Filesize
4KB

Download
memory/1572-6-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

Filesize
2.0MB

Download
memory/1572-14-0x0000000001410000-0x0000000001416000-memory.dmp

Filesize
24KB

Download
memory/2744-13-0x00007FFAE052D000-0x00007FFAE052E000-memory.dmp

Filesize
4KB

Download
memory/2744-12-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/2744-15-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3428-5-0x00007FFAE052D000-0x00007FFAE052E000-memory.dmp

Filesize
4KB

Download
memory/3428-2-0x0000000001030000-0x0000000001036000-memory.dmp

Filesize
24KB

Download
memory/3428-1-0x0000000001030000-0x0000000001036000-memory.dmp

Filesize
24KB

Download
memory/4604-8-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/4604-3-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/4604-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4604-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download