tinba | b86c41be01a05a3b6be6f98799e7362e21c5c87565e67a52daa6335d4c7084a8

Analysis

max time kernel
146s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 02:34

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General

Target

f1e40984f0cecb894d5037c4598afa74_JaffaCakes118.exe
Size

160KB
MD5

f1e40984f0cecb894d5037c4598afa74
SHA1

4e82eba824c6c7031ee6755144bea928b696ee76
SHA256

b86c41be01a05a3b6be6f98799e7362e21c5c87565e67a52daa6335d4c7084a8
SHA512

cefae525735ed361604de44a7a5ff81ad412357e0267aef4fa3cfb7ed91f7d217a5e8fc7fa6dfac37996a22870e9903c7e4a3b9a3d708bc679be97f16f20aa0c
SSDEEP

1536:eEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:VY+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
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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2CF7E26F = "C:\\Users\\Admin\\AppData\\Roaming\\2CF7E26F\\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/2016-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2436	1500	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	f1e40984f0cecb894d5037c4598afa74_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1500	winver.exe
1500	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1500	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 1500	2016	f1e40984f0cecb894d5037c4598afa74_JaffaCakes118.exe	84
PID 2016 wrote to memory of 1500	2016	f1e40984f0cecb894d5037c4598afa74_JaffaCakes118.exe	84
PID 2016 wrote to memory of 1500	2016	f1e40984f0cecb894d5037c4598afa74_JaffaCakes118.exe	84
PID 2016 wrote to memory of 1500	2016	f1e40984f0cecb894d5037c4598afa74_JaffaCakes118.exe	84
PID 1500 wrote to memory of 3536	1500	winver.exe	56
PID 1500 wrote to memory of 2476	1500	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2476

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
- C:\Users\Admin\AppData\Local\Temp\f1e40984f0cecb894d5037c4598afa74_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f1e40984f0cecb894d5037c4598afa74_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2016
- - 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:1500
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 352
      4⤵
      Program crash
      PID:2436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1500 -ip 1500
1⤵
PID:2056

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/1500-5-0x0000000076F12000-0x0000000076F13000-memory.dmp

Filesize
4KB

Download
memory/1500-14-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/1500-11-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/1500-7-0x00007FF85AD50000-0x00007FF85AF45000-memory.dmp

Filesize
2.0MB

Download
memory/2016-9-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/2016-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/2016-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2016-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2016-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/2476-13-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/3536-6-0x00007FF85ADED000-0x00007FF85ADEE000-memory.dmp

Filesize
4KB

Download
memory/3536-3-0x0000000003300000-0x0000000003306000-memory.dmp

Filesize
24KB

Download
memory/3536-2-0x0000000003300000-0x0000000003306000-memory.dmp

Filesize
24KB

Download