tinba | 8ddabe3e4b22dd83515e572b821fafcd678892fb0c02db95c2ad962be24c81e3

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 07:08

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General

Target

e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe
Size

131KB
MD5

e5403e4e226cb01bfcc853abead128ea
SHA1

b6639a91758cc1d550b9bf8417c4c0ae5f686ab4
SHA256

8ddabe3e4b22dd83515e572b821fafcd678892fb0c02db95c2ad962be24c81e3
SHA512

25ee50e15f1073509e411be0044386faff032442d0e3e77938e7aad582214a2e4640cabd38c73680a9aa0d9d2e3cea97e7d25688b6ac191244dd2f53f0ea57d8
SSDEEP

1536:/Px+riFFG1A/m3wE/iVP9In2Zv4qjh+rmKK4cVSZj:FY8FE/MVIn2Z5jgq54c4d

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\B51B26CE = "C:\\Users\\Admin\\AppData\\Roaming\\B51B26CE\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2884-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2596	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2596	2884	e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe	31
PID 2884 wrote to memory of 2596	2884	e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe	31
PID 2884 wrote to memory of 2596	2884	e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe	31
PID 2884 wrote to memory of 2596	2884	e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe	31
PID 2884 wrote to memory of 2596	2884	e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe	31
PID 2596 wrote to memory of 1212	2596	winver.exe	21
PID 2596 wrote to memory of 1116	2596	winver.exe	19
PID 2596 wrote to memory of 1168	2596	winver.exe	20
PID 2596 wrote to memory of 1212	2596	winver.exe	21
PID 2596 wrote to memory of 848	2596	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2884
- - 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:2596

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:848

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/848-25-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/848-27-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/848-28-0x0000000077451000-0x0000000077452000-memory.dmp

Filesize
4KB

Download
memory/1116-29-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1116-30-0x0000000077451000-0x0000000077452000-memory.dmp

Filesize
4KB

Download
memory/1168-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-32-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077451000-0x0000000077452000-memory.dmp

Filesize
4KB

Download
memory/1212-4-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1212-23-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1212-26-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/2596-7-0x0000000077600000-0x0000000077601000-memory.dmp

Filesize
4KB

Download
memory/2596-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2596-11-0x0000000077400000-0x00000000775A9000-memory.dmp

Filesize
1.7MB

Download
memory/2596-8-0x00000000775FF000-0x0000000077600000-memory.dmp

Filesize
4KB

Download
memory/2596-9-0x00000000775FF000-0x0000000077601000-memory.dmp

Filesize
8KB

Download
memory/2596-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2884-12-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2884-5-0x0000000001FA0000-0x00000000029A0000-memory.dmp

Filesize
10.0MB

Download
memory/2884-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2884-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2884-13-0x0000000001FA0000-0x00000000029A0000-memory.dmp

Filesize
10.0MB

Download