tinba | 24101fcae7a5adcb398d49c56555361d62d093cbdc53e4d07472ec15580cf7b3

Analysis

max time kernel
145s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 22:24

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General

Target

JaffaCakes118_6894d3613722f9190563365dce8e9217.exe
Size

89KB
MD5

6894d3613722f9190563365dce8e9217
SHA1

5dc821f88856b48048726fdacc06787d9f600ae0
SHA256

24101fcae7a5adcb398d49c56555361d62d093cbdc53e4d07472ec15580cf7b3
SHA512

96d7effd1aa34dc257e9117b4171e3b607baf64946b898b985a4c5e31ee7f9ac4b80a93224ec2646cf1c1b6e2cdcf65564e686dfd034ff1e3a8e57afc7c4cfb8
SSDEEP

1536:1r+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:J+4MJIkLZJNAQ9Jo9e

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\899FE62E = "C:\\Users\\Admin\\AppData\\Roaming\\899FE62E\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5056-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2308	4512	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_6894d3613722f9190563365dce8e9217.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4512	winver.exe
4512	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
4512	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 4512	5056	JaffaCakes118_6894d3613722f9190563365dce8e9217.exe	86
PID 5056 wrote to memory of 4512	5056	JaffaCakes118_6894d3613722f9190563365dce8e9217.exe	86
PID 5056 wrote to memory of 4512	5056	JaffaCakes118_6894d3613722f9190563365dce8e9217.exe	86
PID 5056 wrote to memory of 4512	5056	JaffaCakes118_6894d3613722f9190563365dce8e9217.exe	86
PID 4512 wrote to memory of 3428	4512	winver.exe	55
PID 4512 wrote to memory of 2656	4512	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6894d3613722f9190563365dce8e9217.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6894d3613722f9190563365dce8e9217.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5056
- - 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:4512
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 352
      4⤵
      Program crash
      PID:2308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4512 -ip 4512
1⤵
PID:716

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/2656-14-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3428-3-0x0000000001160000-0x0000000001166000-memory.dmp

Filesize
24KB

Download
memory/3428-2-0x0000000001160000-0x0000000001166000-memory.dmp

Filesize
24KB

Download
memory/3428-6-0x00007FFED1D8D000-0x00007FFED1D8E000-memory.dmp

Filesize
4KB

Download
memory/4512-12-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4512-15-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4512-5-0x00000000772F2000-0x00000000772F3000-memory.dmp

Filesize
4KB

Download
memory/4512-7-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

Filesize
2.0MB

Download
memory/5056-4-0x0000000002080000-0x0000000002A80000-memory.dmp

Filesize
10.0MB

Download
memory/5056-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/5056-10-0x0000000002080000-0x0000000002A80000-memory.dmp

Filesize
10.0MB

Download
memory/5056-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/5056-1-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download