tinba | 524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6

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
05-01-2025 02:12

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General

Target

JaffaCakes118_84d7240ad0abeeb45fad6c23cee9dd51.exe
Size

89KB
MD5

84d7240ad0abeeb45fad6c23cee9dd51
SHA1

d74ac44cbe0321018e1e43244c1743268cecb031
SHA256

524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6
SHA512

a35e330218e6409693aa041dbea6af61fd4257f9da84f6268ae9eaabc5f4ed03f2beee3848f9837ee0a8770d619d68b63a53503c23538d374dca7e6563334191
SSDEEP

1536:Rr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:V+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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3D67AAFE = "C:\\Users\\Admin\\AppData\\Roaming\\3D67AAFE\\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/2384-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3636	4492	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_84d7240ad0abeeb45fad6c23cee9dd51.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4492	winver.exe
4492	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4492	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 4492	2384	JaffaCakes118_84d7240ad0abeeb45fad6c23cee9dd51.exe	84
PID 2384 wrote to memory of 4492	2384	JaffaCakes118_84d7240ad0abeeb45fad6c23cee9dd51.exe	84
PID 2384 wrote to memory of 4492	2384	JaffaCakes118_84d7240ad0abeeb45fad6c23cee9dd51.exe	84
PID 2384 wrote to memory of 4492	2384	JaffaCakes118_84d7240ad0abeeb45fad6c23cee9dd51.exe	84
PID 4492 wrote to memory of 3432	4492	winver.exe	56
PID 4492 wrote to memory of 3000	4492	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3000

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84d7240ad0abeeb45fad6c23cee9dd51.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84d7240ad0abeeb45fad6c23cee9dd51.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2384
- - 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:4492
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 352
      4⤵
      Program crash
      PID:3636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4492 -ip 4492
1⤵
PID:4000

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/2384-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2384-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2384-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2384-4-0x0000000002120000-0x0000000002B20000-memory.dmp

Filesize
10.0MB

Download
memory/2384-10-0x0000000002120000-0x0000000002B20000-memory.dmp

Filesize
10.0MB

Download
memory/3000-14-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download
memory/3432-7-0x00007FFE8272D000-0x00007FFE8272E000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download
memory/4492-6-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/4492-8-0x00007FFE82690000-0x00007FFE82885000-memory.dmp

Filesize
2.0MB

Download
memory/4492-5-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/4492-15-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download