tinba | 50ac247a9506ac811578d54d913d886a2dcb1fde68871c15d404d775aa956984

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 06:09

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General

Target

JaffaCakes118_90658e731b92990c9eae02d71025efdc.exe
Size

34KB
MD5

90658e731b92990c9eae02d71025efdc
SHA1

86b2aa3125d653cff5bdc93fe5fb55fe0e474c22
SHA256

50ac247a9506ac811578d54d913d886a2dcb1fde68871c15d404d775aa956984
SHA512

8444cb08f143aeec80cb8fb6238114d4e3b1fe6565bc87c3797fbfcf28c842ca394cbfe14fec71e65de8bfc566670c354ad7665702c87f4b66e43d42cf45295a
SSDEEP

768:Up22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JX:UpYoX58z1uirL98xMWnT0OQ9JX

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\A90A0523 = "C:\\Users\\Admin\\AppData\\Roaming\\A90A0523\\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/4028-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1328	4464	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_90658e731b92990c9eae02d71025efdc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4464	winver.exe
4464	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
4464	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 4464	4028	JaffaCakes118_90658e731b92990c9eae02d71025efdc.exe	84
PID 4028 wrote to memory of 4464	4028	JaffaCakes118_90658e731b92990c9eae02d71025efdc.exe	84
PID 4028 wrote to memory of 4464	4028	JaffaCakes118_90658e731b92990c9eae02d71025efdc.exe	84
PID 4028 wrote to memory of 4464	4028	JaffaCakes118_90658e731b92990c9eae02d71025efdc.exe	84
PID 4464 wrote to memory of 3388	4464	winver.exe	56
PID 4464 wrote to memory of 2504	4464	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2504

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3388
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_90658e731b92990c9eae02d71025efdc.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_90658e731b92990c9eae02d71025efdc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4028
- - 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:4464
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 352
      4⤵
      Program crash
      PID:1328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4464 -ip 4464
1⤵
PID:2836

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/2504-14-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/3388-6-0x00007FFDE212D000-0x00007FFDE212E000-memory.dmp

Filesize
4KB

Download
memory/3388-3-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/3388-2-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/4028-4-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/4028-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4028-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4028-10-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/4028-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/4464-5-0x0000000077962000-0x0000000077963000-memory.dmp

Filesize
4KB

Download
memory/4464-7-0x00007FFDE2090000-0x00007FFDE2285000-memory.dmp

Filesize
2.0MB

Download
memory/4464-12-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4464-15-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download