tinba | 37b3c15ab680bf5fa4eb62c73a9287853fd5ecb5da634bcb06fcbdbb3227984e

Analysis

max time kernel
149s
max time network
151s
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 13:48

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General

Target

JaffaCakes118_a2d091c6c4fb6c3faf587b0135157e4e.exe
Size

88KB
MD5

a2d091c6c4fb6c3faf587b0135157e4e
SHA1

ab3d96764b66bb5cd54a62585247102a7ea09414
SHA256

37b3c15ab680bf5fa4eb62c73a9287853fd5ecb5da634bcb06fcbdbb3227984e
SHA512

abe6ce9f719bba34a5b69f412ea4e59e68ecefd2d0733e5d70a25ac6332680fc98b4b0a4679f96039107ca12db6eecab8ad82c489a490814420eaf9a40ce91f1
SSDEEP

1536:H5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:H5fvp12UFKcD/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\0C362CE0 = "C:\\Users\\Admin\\AppData\\Roaming\\0C362CE0\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2632	5068	WerFault.exe	86

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_a2d091c6c4fb6c3faf587b0135157e4e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5068	winver.exe
5068	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5068	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 5068	4040	JaffaCakes118_a2d091c6c4fb6c3faf587b0135157e4e.exe	86
PID 4040 wrote to memory of 5068	4040	JaffaCakes118_a2d091c6c4fb6c3faf587b0135157e4e.exe	86
PID 4040 wrote to memory of 5068	4040	JaffaCakes118_a2d091c6c4fb6c3faf587b0135157e4e.exe	86
PID 4040 wrote to memory of 5068	4040	JaffaCakes118_a2d091c6c4fb6c3faf587b0135157e4e.exe	86
PID 5068 wrote to memory of 3444	5068	winver.exe	56
PID 5068 wrote to memory of 3040	5068	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3040

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a2d091c6c4fb6c3faf587b0135157e4e.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a2d091c6c4fb6c3faf587b0135157e4e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4040
- - 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:5068
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 352
      4⤵
      Program crash
      PID:2632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5068 -ip 5068
1⤵
PID:3708

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/3040-12-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3444-1-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3444-5-0x00007FFCD48ED000-0x00007FFCD48EE000-memory.dmp

Filesize
4KB

Download
memory/4040-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/4040-3-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/4040-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4040-8-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/5068-4-0x00000000778B2000-0x00000000778B3000-memory.dmp

Filesize
4KB

Download
memory/5068-6-0x00007FFCD4850000-0x00007FFCD4A45000-memory.dmp

Filesize
2.0MB

Download
memory/5068-10-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/5068-13-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download