tinba | d2a19b408ee53d613782354ca8d512fafc40447c43a099e9d1140c9c2275c5fb

Analysis

max time kernel
144s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 07:14

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General

Target

0e88c93dfda9d61dbebdc07676592a9e_JaffaCakes118.exe
Size

160KB
MD5

0e88c93dfda9d61dbebdc07676592a9e
SHA1

a6af1789f99ea7dee27e6ce2b57ac5b454e25bb5
SHA256

d2a19b408ee53d613782354ca8d512fafc40447c43a099e9d1140c9c2275c5fb
SHA512

7c851ace5f590d3db5e7463877c2b49a8b0548de46ba37e8c15264deb8860a3007a64b171d4a27d8239d58047b25ad6fc5461003001ea6bc931581023bf4f556
SSDEEP

1536:REY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:aY+4MiIkLZJNAQ9J6v

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

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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B48A6234 = "C:\\Users\\Admin\\AppData\\Roaming\\B48A6234\\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/2124-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4456	1244	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	0e88c93dfda9d61dbebdc07676592a9e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1244	winver.exe
1244	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2964	Explorer.EXE
Token: SeCreatePagefilePrivilege	2964	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1244	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1244	2124	0e88c93dfda9d61dbebdc07676592a9e_JaffaCakes118.exe	83
PID 2124 wrote to memory of 1244	2124	0e88c93dfda9d61dbebdc07676592a9e_JaffaCakes118.exe	83
PID 2124 wrote to memory of 1244	2124	0e88c93dfda9d61dbebdc07676592a9e_JaffaCakes118.exe	83
PID 2124 wrote to memory of 1244	2124	0e88c93dfda9d61dbebdc07676592a9e_JaffaCakes118.exe	83
PID 1244 wrote to memory of 2964	1244	winver.exe	49
PID 1244 wrote to memory of 2496	1244	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2496

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2964
- C:\Users\Admin\AppData\Local\Temp\0e88c93dfda9d61dbebdc07676592a9e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0e88c93dfda9d61dbebdc07676592a9e_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - 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:1244
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 352
      4⤵
      Program crash
      PID:4456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1244 -ip 1244
1⤵
PID:1868

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/1244-5-0x0000000077B62000-0x0000000077B63000-memory.dmp

Filesize
4KB

Download
memory/1244-14-0x0000000000DD0000-0x0000000000DD6000-memory.dmp

Filesize
24KB

Download
memory/1244-11-0x0000000000DD0000-0x0000000000DD6000-memory.dmp

Filesize
24KB

Download
memory/1244-7-0x00007FFCD4D70000-0x00007FFCD4F65000-memory.dmp

Filesize
2.0MB

Download
memory/2124-9-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/2124-4-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/2124-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2124-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2124-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2496-13-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download
memory/2964-6-0x00007FFCD4E0D000-0x00007FFCD4E0E000-memory.dmp

Filesize
4KB

Download
memory/2964-2-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Filesize
24KB

Download
memory/2964-3-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Filesize
24KB

Download