tinba | c4ac111d3acbe526568ac988170d1fb0c0be4869ded07b650c74e1e77588c27f

Analysis

max time kernel
146s
max time network
142s
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 17:22

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General

Target

JaffaCakes118_b36903144bd32c1090633fcc056ff11d.exe
Size

34KB
MD5

b36903144bd32c1090633fcc056ff11d
SHA1

5dda87571d683cfc5b1953011acbf21a3d195471
SHA256

c4ac111d3acbe526568ac988170d1fb0c0be4869ded07b650c74e1e77588c27f
SHA512

0f91c7a2775e6abefe57dfdab788c9ed72bd9ec06ded6fec9e954fd5c3a0a663e76d6def5cf343caf61952577460c6e2e3c44dae0d64b064581c0b05fb7bc1f6
SSDEEP

768:2p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:2pYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DE6063DD = "C:\\Users\\Admin\\AppData\\Roaming\\DE6063DD\\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/3832-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1592	1072	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_b36903144bd32c1090633fcc056ff11d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1072	winver.exe
1072	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1072	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 1072	3832	JaffaCakes118_b36903144bd32c1090633fcc056ff11d.exe	83
PID 3832 wrote to memory of 1072	3832	JaffaCakes118_b36903144bd32c1090633fcc056ff11d.exe	83
PID 3832 wrote to memory of 1072	3832	JaffaCakes118_b36903144bd32c1090633fcc056ff11d.exe	83
PID 3832 wrote to memory of 1072	3832	JaffaCakes118_b36903144bd32c1090633fcc056ff11d.exe	83
PID 1072 wrote to memory of 3392	1072	winver.exe	56
PID 1072 wrote to memory of 2316	1072	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2316

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3392
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b36903144bd32c1090633fcc056ff11d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b36903144bd32c1090633fcc056ff11d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3832
- - 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:1072
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 352
      4⤵
      Program crash
      PID:1592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1072 -ip 1072
1⤵
PID:912

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/1072-5-0x00000000774C2000-0x00000000774C3000-memory.dmp

Filesize
4KB

Download
memory/1072-15-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/1072-12-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/1072-7-0x00007FFE750B0000-0x00007FFE752A5000-memory.dmp

Filesize
2.0MB

Download
memory/2316-14-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/3392-2-0x0000000003390000-0x0000000003396000-memory.dmp

Filesize
24KB

Download
memory/3392-6-0x00007FFE7514D000-0x00007FFE7514E000-memory.dmp

Filesize
4KB

Download
memory/3392-3-0x0000000003390000-0x0000000003396000-memory.dmp

Filesize
24KB

Download
memory/3832-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/3832-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3832-10-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/3832-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3832-1-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download