tinba | e3fd818f1f30166926080d4fbc0e8f14a0bcaaef7556d1fa1e705784f0ebf7f6

Analysis

max time kernel
148s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 14:13

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General

Target

JaffaCakes118_e65dea726fd05763bd781c4799f93278.exe
Size

371KB
MD5

e65dea726fd05763bd781c4799f93278
SHA1

5752d093d75b2f86c294bf96ef9809b1b65440cd
SHA256

e3fd818f1f30166926080d4fbc0e8f14a0bcaaef7556d1fa1e705784f0ebf7f6
SHA512

833844d07534c8791feeb5f3b0a9d056591ae548f499a7a54d6ceaf3f66f5dd932777ae2042c5304ce210d7a1cec5b57a3661cc84e9d79e2468f54a38414c69a
SSDEEP

6144:mCE6/mUXJ531nIUliViSZbLhaZfvMlLXICgo:O6TOUMBQf0ljWo

Score

10^/10

tinba banker discovery persistence trojan

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\B187F48C = "C:\\Users\\Admin\\AppData\\Roaming\\B187F48C\\bin.exe"	winver.exe

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	JaffaCakes118_e65dea726fd05763bd781c4799f93278.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2784	winver.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2684	JaffaCakes118_e65dea726fd05763bd781c4799f93278.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2784	2684	JaffaCakes118_e65dea726fd05763bd781c4799f93278.exe	30
PID 2684 wrote to memory of 2784	2684	JaffaCakes118_e65dea726fd05763bd781c4799f93278.exe	30
PID 2684 wrote to memory of 2784	2684	JaffaCakes118_e65dea726fd05763bd781c4799f93278.exe	30
PID 2684 wrote to memory of 2784	2684	JaffaCakes118_e65dea726fd05763bd781c4799f93278.exe	30
PID 2684 wrote to memory of 2784	2684	JaffaCakes118_e65dea726fd05763bd781c4799f93278.exe	30
PID 2784 wrote to memory of 1192	2784	winver.exe	21
PID 2784 wrote to memory of 1088	2784	winver.exe	18
PID 2784 wrote to memory of 1168	2784	winver.exe	20
PID 2784 wrote to memory of 1192	2784	winver.exe	21
PID 2784 wrote to memory of 1440	2784	winver.exe	25
PID 2784 wrote to memory of 2684	2784	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1192
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e65dea726fd05763bd781c4799f93278.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e65dea726fd05763bd781c4799f93278.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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:2784

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1440

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/1088-29-0x0000000000220000-0x0000000000227000-memory.dmp

Filesize
28KB

Download
memory/1088-17-0x0000000000220000-0x0000000000227000-memory.dmp

Filesize
28KB

Download
memory/1168-20-0x0000000001F90000-0x0000000001F97000-memory.dmp

Filesize
28KB

Download
memory/1168-27-0x0000000001F90000-0x0000000001F97000-memory.dmp

Filesize
28KB

Download
memory/1168-28-0x0000000077851000-0x0000000077852000-memory.dmp

Filesize
4KB

Download
memory/1192-7-0x0000000002AC0000-0x0000000002AC7000-memory.dmp

Filesize
28KB

Download
memory/1192-31-0x0000000002AD0000-0x0000000002AD7000-memory.dmp

Filesize
28KB

Download
memory/1192-14-0x0000000077851000-0x0000000077852000-memory.dmp

Filesize
4KB

Download
memory/1192-4-0x0000000002AC0000-0x0000000002AC7000-memory.dmp

Filesize
28KB

Download
memory/1192-3-0x0000000002AC0000-0x0000000002AC7000-memory.dmp

Filesize
28KB

Download
memory/1192-23-0x0000000002AD0000-0x0000000002AD7000-memory.dmp

Filesize
28KB

Download
memory/1440-25-0x0000000001ED0000-0x0000000001ED7000-memory.dmp

Filesize
28KB

Download
memory/1440-32-0x0000000001ED0000-0x0000000001ED7000-memory.dmp

Filesize
28KB

Download
memory/1440-33-0x0000000077851000-0x0000000077852000-memory.dmp

Filesize
4KB

Download
memory/2684-30-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/2684-2-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/2684-0-0x0000000000410000-0x0000000000413000-memory.dmp

Filesize
12KB

Download
memory/2684-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2684-8-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/2784-10-0x0000000077A00000-0x0000000077A01000-memory.dmp

Filesize
4KB

Download
memory/2784-11-0x00000000779FF000-0x0000000077A00000-memory.dmp

Filesize
4KB

Download
memory/2784-12-0x00000000779FF000-0x0000000077A01000-memory.dmp

Filesize
8KB

Download
memory/2784-13-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2784-5-0x00000000000F0000-0x00000000000F7000-memory.dmp

Filesize
28KB

Download
memory/2784-15-0x0000000077800000-0x00000000779A9000-memory.dmp

Filesize
1.7MB

Download
memory/2784-9-0x00000000000F0000-0x00000000000F7000-memory.dmp

Filesize
28KB

Download
memory/2784-35-0x00000000000F0000-0x00000000000F7000-memory.dmp

Filesize
28KB

Download