tinba | d0426d3da98de29b245834270859f0d66ea12eaf526d747493b230b73fe3892d

Analysis

max time kernel
147s
max time network
143s
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 11:05

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General

Target

JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe
Size

34KB
MD5

9fb25bdbdee810a04da0975a0c538acf
SHA1

b9fb353f0871383251e9dddea391e59a91efd233
SHA256

d0426d3da98de29b245834270859f0d66ea12eaf526d747493b230b73fe3892d
SHA512

27b4aa767bf246efdd913fe04876137e10b097c52617ab5946e955117ee4f1251370cf78ef4a6cf1bbf327db9656e156ae4b6c208f4ad9d34844ebf2f86ce1ee
SSDEEP

768:Zp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:ZpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FC5C9F6F = "C:\\Users\\Admin\\AppData\\Roaming\\FC5C9F6F\\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/676-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4180	5008	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5008	winver.exe
5008	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5008	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 676 wrote to memory of 5008	676	JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe	84
PID 676 wrote to memory of 5008	676	JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe	84
PID 676 wrote to memory of 5008	676	JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe	84
PID 676 wrote to memory of 5008	676	JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe	84
PID 5008 wrote to memory of 3520	5008	winver.exe	56
PID 5008 wrote to memory of 2544	5008	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2544

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:676
- - 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:5008
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5008 -s 352
      4⤵
      Program crash
      PID:4180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 5008 -ip 5008
1⤵
PID:5088

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/676-9-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/676-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/676-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/676-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/676-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2544-13-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3520-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFE2EDCD000-0x00007FFE2EDCE000-memory.dmp

Filesize
4KB

Download
memory/5008-5-0x0000000077B12000-0x0000000077B13000-memory.dmp

Filesize
4KB

Download
memory/5008-7-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

Filesize
2.0MB

Download
memory/5008-11-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

Filesize
24KB

Download
memory/5008-14-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

Filesize
24KB

Download