tinba | 807b96a97dfc75bfeb8a2da4ad3b0213612d2c698bd4ed42f63a911986e55add

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
01/01/2025, 16:47

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General

Target

JaffaCakes118_5cce134e385799449c59a9b14b30aa5c.exe
Size

34KB
MD5

5cce134e385799449c59a9b14b30aa5c
SHA1

096fde169c14661bc30701f290d52b857adfc426
SHA256

807b96a97dfc75bfeb8a2da4ad3b0213612d2c698bd4ed42f63a911986e55add
SHA512

197df59f44200d97efff26483fb2c7ee633992672f4bc51bdb6c27d46a46c483cb078d7374c23aa55f1eab1ef2d1a6e5c11b06aa02cd60d416da1c8607310d55
SSDEEP

768:Rp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:RpYoX58z1uirL98xMWnT0OQ9J2

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\3B769125 = "C:\\Users\\Admin\\AppData\\Roaming\\3B769125\\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/2376-0-0x0000000000400000-0x0000000000417000-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	JaffaCakes118_5cce134e385799449c59a9b14b30aa5c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe
1788	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1788	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 1788	2376	JaffaCakes118_5cce134e385799449c59a9b14b30aa5c.exe	31
PID 2376 wrote to memory of 1788	2376	JaffaCakes118_5cce134e385799449c59a9b14b30aa5c.exe	31
PID 2376 wrote to memory of 1788	2376	JaffaCakes118_5cce134e385799449c59a9b14b30aa5c.exe	31
PID 2376 wrote to memory of 1788	2376	JaffaCakes118_5cce134e385799449c59a9b14b30aa5c.exe	31
PID 2376 wrote to memory of 1788	2376	JaffaCakes118_5cce134e385799449c59a9b14b30aa5c.exe	31
PID 1788 wrote to memory of 1192	1788	winver.exe	21
PID 1788 wrote to memory of 1112	1788	winver.exe	19
PID 1788 wrote to memory of 1164	1788	winver.exe	20
PID 1788 wrote to memory of 1192	1788	winver.exe	21
PID 1788 wrote to memory of 1672	1788	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5cce134e385799449c59a9b14b30aa5c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5cce134e385799449c59a9b14b30aa5c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - 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:1788

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1672

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/1112-25-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/1112-26-0x0000000076D21000-0x0000000076D22000-memory.dmp

Filesize
4KB

Download
memory/1164-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000076D21000-0x0000000076D22000-memory.dmp

Filesize
4KB

Download
memory/1192-22-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1192-30-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1672-24-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/1672-31-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/1672-29-0x0000000076D21000-0x0000000076D22000-memory.dmp

Filesize
4KB

Download
memory/1788-27-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1788-7-0x0000000076ED0000-0x0000000076ED1000-memory.dmp

Filesize
4KB

Download
memory/1788-8-0x0000000076ECF000-0x0000000076ED0000-memory.dmp

Filesize
4KB

Download
memory/1788-6-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1788-9-0x0000000076ECF000-0x0000000076ED1000-memory.dmp

Filesize
8KB

Download
memory/1788-11-0x0000000076CD0000-0x0000000076E79000-memory.dmp

Filesize
1.7MB

Download
memory/1788-36-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2376-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2376-13-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2376-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2376-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2376-5-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download