tinba | 5df09e43f7d1ec24ee6bfb27102dfbaf466c620613338d1a28c0cff86b128e3e

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
05-01-2025 13:21

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General

Target

JaffaCakes118_a6f49268044adfb73e4f8ea088c3dcfa.exe
Size

160KB
MD5

a6f49268044adfb73e4f8ea088c3dcfa
SHA1

5b92442c8945f9edf38e8126fc89020f53246004
SHA256

5df09e43f7d1ec24ee6bfb27102dfbaf466c620613338d1a28c0cff86b128e3e
SHA512

57f0dea14fae90415722ec137c910148a2aeef0f6f101f8da6542ca61ca00edf8369b0020fc64bcc11c7cac37a5021bc7bb7af55f9605c9fea5622f1403d5a68
SSDEEP

1536:CEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:JY+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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\C5DBFB9F = "C:\\Users\\Admin\\AppData\\Roaming\\C5DBFB9F\\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/2644-0-0x0000000000400000-0x0000000000428000-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	JaffaCakes118_a6f49268044adfb73e4f8ea088c3dcfa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2740	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2740	2644	JaffaCakes118_a6f49268044adfb73e4f8ea088c3dcfa.exe	31
PID 2644 wrote to memory of 2740	2644	JaffaCakes118_a6f49268044adfb73e4f8ea088c3dcfa.exe	31
PID 2644 wrote to memory of 2740	2644	JaffaCakes118_a6f49268044adfb73e4f8ea088c3dcfa.exe	31
PID 2644 wrote to memory of 2740	2644	JaffaCakes118_a6f49268044adfb73e4f8ea088c3dcfa.exe	31
PID 2644 wrote to memory of 2740	2644	JaffaCakes118_a6f49268044adfb73e4f8ea088c3dcfa.exe	31
PID 2740 wrote to memory of 1200	2740	winver.exe	21
PID 2740 wrote to memory of 1104	2740	winver.exe	19
PID 2740 wrote to memory of 1168	2740	winver.exe	20
PID 2740 wrote to memory of 1200	2740	winver.exe	21
PID 2740 wrote to memory of 1860	2740	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a6f49268044adfb73e4f8ea088c3dcfa.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a6f49268044adfb73e4f8ea088c3dcfa.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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:2740

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1860

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/1104-29-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1104-30-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1168-20-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1168-31-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002B90000-0x0000000002B96000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1200-2-0x0000000002B90000-0x0000000002B96000-memory.dmp

Filesize
24KB

Download
memory/1200-22-0x0000000002640000-0x0000000002646000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002B90000-0x0000000002B96000-memory.dmp

Filesize
24KB

Download
memory/1200-26-0x0000000002640000-0x0000000002646000-memory.dmp

Filesize
24KB

Download
memory/1860-27-0x00000000022A0000-0x00000000022A6000-memory.dmp

Filesize
24KB

Download
memory/1860-28-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1860-25-0x00000000022A0000-0x00000000022A6000-memory.dmp

Filesize
24KB

Download
memory/2644-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2644-13-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2644-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2644-5-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2644-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2740-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2740-7-0x00000000774E0000-0x00000000774E1000-memory.dmp

Filesize
4KB

Download
memory/2740-8-0x00000000774DF000-0x00000000774E0000-memory.dmp

Filesize
4KB

Download
memory/2740-9-0x00000000774DF000-0x00000000774E1000-memory.dmp

Filesize
8KB

Download
memory/2740-11-0x00000000772E0000-0x0000000077489000-memory.dmp

Filesize
1.7MB

Download
memory/2740-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download