tinba | 041b3c786f27c038c6c07bf7764414937d1be1373d2c68e06e6abe7a1b04a77b

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 00:27

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General

Target

JaffaCakes118_7693c6e4ebcc3199b4ddb64c6f5f4135.exe
Size

88KB
MD5

7693c6e4ebcc3199b4ddb64c6f5f4135
SHA1

876290b49b64990fc1ca8481c95b89f8bf50e4b5
SHA256

041b3c786f27c038c6c07bf7764414937d1be1373d2c68e06e6abe7a1b04a77b
SHA512

738d2f03def816b257a7999cbcaeaa67034ca354c273c0768a7cb166d817769d7b9512a3cc92e5619bf00cba5e91ee47ae21b2df1129469c7ed2315ec2e786ef
SSDEEP

1536:r5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:r5fvp12UFKcD/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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2A28FDF7 = "C:\\Users\\Admin\\AppData\\Roaming\\2A28FDF7\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4824	956	WerFault.exe	83

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_7693c6e4ebcc3199b4ddb64c6f5f4135.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
956	winver.exe
956	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
956	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 956	3572	JaffaCakes118_7693c6e4ebcc3199b4ddb64c6f5f4135.exe	83
PID 3572 wrote to memory of 956	3572	JaffaCakes118_7693c6e4ebcc3199b4ddb64c6f5f4135.exe	83
PID 3572 wrote to memory of 956	3572	JaffaCakes118_7693c6e4ebcc3199b4ddb64c6f5f4135.exe	83
PID 3572 wrote to memory of 956	3572	JaffaCakes118_7693c6e4ebcc3199b4ddb64c6f5f4135.exe	83
PID 956 wrote to memory of 3388	956	winver.exe	56
PID 956 wrote to memory of 2488	956	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2488

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3388
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7693c6e4ebcc3199b4ddb64c6f5f4135.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7693c6e4ebcc3199b4ddb64c6f5f4135.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3572
- - 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:956
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 352
      4⤵
      Program crash
      PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 956 -ip 956
1⤵
PID:4608

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/956-11-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/956-14-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/956-4-0x0000000077DB2000-0x0000000077DB3000-memory.dmp

Filesize
4KB

Download
memory/956-7-0x00007FFC22490000-0x00007FFC22685000-memory.dmp

Filesize
2.0MB

Download
memory/2488-13-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/3388-1-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3388-2-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3388-5-0x00007FFC2252D000-0x00007FFC2252E000-memory.dmp

Filesize
4KB

Download
memory/3388-6-0x00007FFC2252C000-0x00007FFC2252D000-memory.dmp

Filesize
4KB

Download
memory/3572-3-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/3572-9-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/3572-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3572-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download