tinba | 2e84832fd9d1c23ffd39778bb91fb6f07751aa11367d47a3e278c6a813376cb6

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2025, 18:41

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General

Target

JaffaCakes118_cf6bc6cb00d4876ab0595e3d1c0abe7a.exe
Size

104KB
MD5

cf6bc6cb00d4876ab0595e3d1c0abe7a
SHA1

62531cd3e741007de0bf25aa6788b230dbebb2d2
SHA256

2e84832fd9d1c23ffd39778bb91fb6f07751aa11367d47a3e278c6a813376cb6
SHA512

ca84769f72add111567ac52904a850ba4850597b4eb16988431a24ff602c5cc079c4a847dbd787d3c0f9bfb1a08146aa425b498fbfa8a1ad56dc808d4a6ecf5c
SSDEEP

1536:ID/AwPx+riFFG1l/m3wEeQqjh+rmKVsWiVPsrhSBXUc/z:IDBYnFE2jwqWsWMfXnz

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DBE36D4A = "C:\\Users\\Admin\\AppData\\Roaming\\DBE36D4A\\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/4916-0-0x0000000000400000-0x000000000041ABB7-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1944	3412	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_cf6bc6cb00d4876ab0595e3d1c0abe7a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3412	winver.exe
3412	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3412	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 3412	4916	JaffaCakes118_cf6bc6cb00d4876ab0595e3d1c0abe7a.exe	84
PID 4916 wrote to memory of 3412	4916	JaffaCakes118_cf6bc6cb00d4876ab0595e3d1c0abe7a.exe	84
PID 4916 wrote to memory of 3412	4916	JaffaCakes118_cf6bc6cb00d4876ab0595e3d1c0abe7a.exe	84
PID 4916 wrote to memory of 3412	4916	JaffaCakes118_cf6bc6cb00d4876ab0595e3d1c0abe7a.exe	84
PID 3412 wrote to memory of 3528	3412	winver.exe	56
PID 3412 wrote to memory of 2820	3412	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2820

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cf6bc6cb00d4876ab0595e3d1c0abe7a.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cf6bc6cb00d4876ab0595e3d1c0abe7a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4916
- - 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:3412
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 352
      4⤵
      Program crash
      PID:1944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3412 -ip 3412
1⤵
PID:3104

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/2820-14-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3412-5-0x0000000077BA2000-0x0000000077BA3000-memory.dmp

Filesize
4KB

Download
memory/3412-15-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/3412-12-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/3412-8-0x00007FFDBBB50000-0x00007FFDBBD45000-memory.dmp

Filesize
2.0MB

Download
memory/3528-6-0x00007FFDBBBED000-0x00007FFDBBBEE000-memory.dmp

Filesize
4KB

Download
memory/3528-7-0x00007FFDBBBEC000-0x00007FFDBBBED000-memory.dmp

Filesize
4KB

Download
memory/3528-2-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/3528-3-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/4916-0-0x0000000000400000-0x000000000041ABB7-memory.dmp

Filesize
106KB

Download
memory/4916-4-0x0000000002410000-0x0000000002E10000-memory.dmp

Filesize
10.0MB

Download
memory/4916-9-0x0000000000400000-0x000000000041ABB7-memory.dmp

Filesize
106KB

Download
memory/4916-10-0x0000000002410000-0x0000000002E10000-memory.dmp

Filesize
10.0MB

Download
memory/4916-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download