tinba | e4a590a8e9fee016e8848e475eb607eb928228d51d31d2aa9bb4615f95942597

Analysis

max time kernel
140s
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
05/01/2025, 11:49

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General

Target

JaffaCakes118_a1e3882b857839a38efd9dc4072ae777.exe
Size

88KB
MD5

a1e3882b857839a38efd9dc4072ae777
SHA1

24d2fe9d7bebafe20c33b0206e2b54f7b8644e40
SHA256

e4a590a8e9fee016e8848e475eb607eb928228d51d31d2aa9bb4615f95942597
SHA512

1f3d486aa50ad2fc2963399cd8245d7ac012f9022aa059eff08a23f00ba107aca9cb4134201661f9dc03e2c863499bfe70d2ac563ae1ad070522282204ba99b4
SSDEEP

1536:x5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:x5fvp12UFKcD/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\0901D289 = "C:\\Users\\Admin\\AppData\\Roaming\\0901D289\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4688	448	WerFault.exe	85

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_a1e3882b857839a38efd9dc4072ae777.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
448	winver.exe
448	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
448	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 448	3492	JaffaCakes118_a1e3882b857839a38efd9dc4072ae777.exe	85
PID 3492 wrote to memory of 448	3492	JaffaCakes118_a1e3882b857839a38efd9dc4072ae777.exe	85
PID 3492 wrote to memory of 448	3492	JaffaCakes118_a1e3882b857839a38efd9dc4072ae777.exe	85
PID 3492 wrote to memory of 448	3492	JaffaCakes118_a1e3882b857839a38efd9dc4072ae777.exe	85
PID 448 wrote to memory of 3388	448	winver.exe	55
PID 448 wrote to memory of 680	448	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:680

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3388
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a1e3882b857839a38efd9dc4072ae777.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a1e3882b857839a38efd9dc4072ae777.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3492
- - 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:448
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 352
      4⤵
      Program crash
      PID:4688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 448 -ip 448
1⤵
PID:2904

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/448-4-0x0000000077172000-0x0000000077173000-memory.dmp

Filesize
4KB

Download
memory/448-6-0x00007FF93CEF0000-0x00007FF93D0E5000-memory.dmp

Filesize
2.0MB

Download
memory/448-10-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/448-13-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/680-12-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/3388-1-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/3388-2-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/3388-5-0x00007FF93CF8D000-0x00007FF93CF8E000-memory.dmp

Filesize
4KB

Download
memory/3492-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/3492-3-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/3492-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3492-8-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download