tinba | 985a67a8d630b39234fe0b21d492429cf4d38a8c8c6e413b4ce333027f0a801c

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 18:03

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General

Target

JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe
Size

34KB
MD5

b58ab7caed0593af648b127b6d25e7cf
SHA1

199e3f423cb5a1fba87b21c5f7ecc8f5b63478f0
SHA256

985a67a8d630b39234fe0b21d492429cf4d38a8c8c6e413b4ce333027f0a801c
SHA512

d1e6cd3cecab1271e541861f6f9622e566baed63f0011237f61528d99fb87f3d14684737bb1720859d7460c0803f9c289be914c1e39b223da4bcb6911a0f3cf6
SSDEEP

768:Xp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:XpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\DE57E14A = "C:\\Users\\Admin\\AppData\\Roaming\\DE57E14A\\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/1224-0-0x0000000000400000-0x0000000000417000-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	JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe
2492	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2492	winver.exe
1152	Explorer.EXE
1152	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1152	Explorer.EXE
1152	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 2492	1224	JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe	32
PID 1224 wrote to memory of 2492	1224	JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe	32
PID 1224 wrote to memory of 2492	1224	JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe	32
PID 1224 wrote to memory of 2492	1224	JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe	32
PID 1224 wrote to memory of 2492	1224	JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe	32
PID 2492 wrote to memory of 1152	2492	winver.exe	20
PID 2492 wrote to memory of 1068	2492	winver.exe	17
PID 2492 wrote to memory of 1080	2492	winver.exe	18
PID 2492 wrote to memory of 1152	2492	winver.exe	20
PID 2492 wrote to memory of 268	2492	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1068

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1080

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1152
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1224
- - 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:2492

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:268

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/268-31-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download
memory/268-32-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/268-30-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download
memory/1068-25-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1068-24-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1080-21-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1080-26-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1152-3-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1152-10-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1152-23-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download
memory/1152-27-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download
memory/1152-2-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1152-4-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1224-5-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/1224-13-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/1224-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1224-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1224-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2492-11-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download
memory/2492-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2492-7-0x0000000077240000-0x0000000077241000-memory.dmp

Filesize
4KB

Download
memory/2492-8-0x000000007723F000-0x0000000077240000-memory.dmp

Filesize
4KB

Download
memory/2492-9-0x000000007723F000-0x0000000077241000-memory.dmp

Filesize
8KB

Download