tinba | 03c06abc702d4c9e989abf2115b7ab2e62b844644e71111055abae4f9ff5d775

Analysis

max time kernel
136s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 07:46

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General

Target

JaffaCakes118_93db10161c3607edf4c0e50ecd8a90c4.exe
Size

89KB
MD5

93db10161c3607edf4c0e50ecd8a90c4
SHA1

d318790760c752b3ebc632883a12bbcf642f6aa5
SHA256

03c06abc702d4c9e989abf2115b7ab2e62b844644e71111055abae4f9ff5d775
SHA512

4c4be32d5cf6c5319e4037722a121667c8792828b382b76b2fdd4425646597bb779f0dc47580066957c1864d2ec281b9bd7557ef2ad56f1fcb6852d92ce4234d
SSDEEP

1536:mr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:o+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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1CFFCE0F = "C:\\Users\\Admin\\AppData\\Roaming\\1CFFCE0F\\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/3904-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
764	2476	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_93db10161c3607edf4c0e50ecd8a90c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2476	winver.exe
2476	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2476	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 2476	3904	JaffaCakes118_93db10161c3607edf4c0e50ecd8a90c4.exe	84
PID 3904 wrote to memory of 2476	3904	JaffaCakes118_93db10161c3607edf4c0e50ecd8a90c4.exe	84
PID 3904 wrote to memory of 2476	3904	JaffaCakes118_93db10161c3607edf4c0e50ecd8a90c4.exe	84
PID 3904 wrote to memory of 2476	3904	JaffaCakes118_93db10161c3607edf4c0e50ecd8a90c4.exe	84
PID 2476 wrote to memory of 3444	2476	winver.exe	55
PID 2476 wrote to memory of 2656	2476	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93db10161c3607edf4c0e50ecd8a90c4.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93db10161c3607edf4c0e50ecd8a90c4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3904
- - 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:2476
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 352
      4⤵
      Program crash
      PID:764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2476 -ip 2476
1⤵
PID:448

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/2476-7-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

Filesize
2.0MB

Download
memory/2476-14-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/2476-11-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/2476-5-0x0000000077822000-0x0000000077823000-memory.dmp

Filesize
4KB

Download
memory/2656-15-0x0000000000C90000-0x0000000000C96000-memory.dmp

Filesize
24KB

Download
memory/2656-13-0x0000000000C90000-0x0000000000C96000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FFFCC12D000-0x00007FFFCC12E000-memory.dmp

Filesize
4KB

Download
memory/3444-2-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/3444-3-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/3904-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3904-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3904-9-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3904-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3904-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download