tinba | 3b71dc96dbd52982196cf583c134431319a2df02631e8e1d34cf745f8c3eccc3

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 09:29

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General

Target

JaffaCakes118_4fd31284d1e11187774a23d5556cfcc1.exe
Size

88KB
MD5

4fd31284d1e11187774a23d5556cfcc1
SHA1

e8f42df3af6fffe07b2152830e7d6ddb8ab88394
SHA256

3b71dc96dbd52982196cf583c134431319a2df02631e8e1d34cf745f8c3eccc3
SHA512

76e4a8b263c1e9ac0c523e15958342dc4942572d7beacf20639dae0d92ff05608f9ef5bfa7c719eea50ae6b7f1b131fef6006e17a834cb6396e8ad5f67d2e206
SSDEEP

1536:H5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:H5fvp12UFKcD/6jwqWsN

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\2A1841BF = "C:\\Users\\Admin\\AppData\\Roaming\\2A1841BF\\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	JaffaCakes118_4fd31284d1e11187774a23d5556cfcc1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2828	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 2828	1492	JaffaCakes118_4fd31284d1e11187774a23d5556cfcc1.exe	30
PID 1492 wrote to memory of 2828	1492	JaffaCakes118_4fd31284d1e11187774a23d5556cfcc1.exe	30
PID 1492 wrote to memory of 2828	1492	JaffaCakes118_4fd31284d1e11187774a23d5556cfcc1.exe	30
PID 1492 wrote to memory of 2828	1492	JaffaCakes118_4fd31284d1e11187774a23d5556cfcc1.exe	30
PID 1492 wrote to memory of 2828	1492	JaffaCakes118_4fd31284d1e11187774a23d5556cfcc1.exe	30
PID 2828 wrote to memory of 1264	2828	winver.exe	20
PID 2828 wrote to memory of 1124	2828	winver.exe	18
PID 2828 wrote to memory of 1212	2828	winver.exe	19
PID 2828 wrote to memory of 1264	2828	winver.exe	20
PID 2828 wrote to memory of 1552	2828	winver.exe	24

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1212

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4fd31284d1e11187774a23d5556cfcc1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4fd31284d1e11187774a23d5556cfcc1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1492
- - 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:2828

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1552

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/1124-24-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1124-25-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1212-26-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1212-19-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1264-21-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1264-1-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1264-2-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1264-3-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1264-9-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1264-29-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1492-12-0x0000000001CA0000-0x00000000026A0000-memory.dmp

Filesize
10.0MB

Download
memory/1492-4-0x0000000001CA0000-0x00000000026A0000-memory.dmp

Filesize
10.0MB

Download
memory/1492-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1492-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1552-28-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1552-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1552-27-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1552-34-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1552-35-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/2828-6-0x0000000077970000-0x0000000077971000-memory.dmp

Filesize
4KB

Download
memory/2828-7-0x000000007796F000-0x0000000077970000-memory.dmp

Filesize
4KB

Download
memory/2828-8-0x000000007796F000-0x0000000077971000-memory.dmp

Filesize
8KB

Download
memory/2828-10-0x0000000077770000-0x0000000077919000-memory.dmp

Filesize
1.7MB

Download
memory/2828-5-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2828-30-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download