tinba | 5a971657c54220e2c979c4a86935e3fcfd2b85ea82662770c6ca30d1e959dc2b

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
04-01-2025 22:34

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General

Target

JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe
Size

34KB
MD5

7c7b50b79af9f9d0d1d302cb59c9004a
SHA1

122bc84c04d1b09d7dac9e9439870d2c59f1fab6
SHA256

5a971657c54220e2c979c4a86935e3fcfd2b85ea82662770c6ca30d1e959dc2b
SHA512

6eab1fba02949f819c03256df6230e121972d9b513cde881b4b640c76a6803966b1ee560cef4fff681c819892e3c44020c44fe7224033e23c2594a330c10980e
SSDEEP

768:Qp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:QpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\580E1E53 = "C:\\Users\\Admin\\AppData\\Roaming\\580E1E53\\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/1364-0-0x0000000000400000-0x0000000000417000-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_7c7b50b79af9f9d0d1d302cb59c9004a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2104	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 2104	1364	JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe	31
PID 1364 wrote to memory of 2104	1364	JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe	31
PID 1364 wrote to memory of 2104	1364	JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe	31
PID 1364 wrote to memory of 2104	1364	JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe	31
PID 1364 wrote to memory of 2104	1364	JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe	31
PID 2104 wrote to memory of 1148	2104	winver.exe	20
PID 2104 wrote to memory of 1048	2104	winver.exe	17
PID 2104 wrote to memory of 1060	2104	winver.exe	18
PID 2104 wrote to memory of 1148	2104	winver.exe	20
PID 2104 wrote to memory of 1788	2104	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1048

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1060

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1148
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1364
- - 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:2104

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1788

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/1048-18-0x0000000076FF1000-0x0000000076FF2000-memory.dmp

Filesize
4KB

Download
memory/1048-27-0x0000000076FF1000-0x0000000076FF2000-memory.dmp

Filesize
4KB

Download
memory/1048-26-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1060-28-0x0000000076FF1000-0x0000000076FF2000-memory.dmp

Filesize
4KB

Download
memory/1060-29-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1060-21-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1148-2-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1148-31-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1148-10-0x0000000076FF1000-0x0000000076FF2000-memory.dmp

Filesize
4KB

Download
memory/1148-23-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1148-4-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1148-3-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1364-5-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/1364-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1364-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1364-13-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/1364-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1788-25-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1788-30-0x0000000076FF1000-0x0000000076FF2000-memory.dmp

Filesize
4KB

Download
memory/1788-33-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2104-7-0x00000000771A0000-0x00000000771A1000-memory.dmp

Filesize
4KB

Download
memory/2104-9-0x000000007719F000-0x00000000771A1000-memory.dmp

Filesize
8KB

Download
memory/2104-11-0x0000000076FA0000-0x0000000077149000-memory.dmp

Filesize
1.7MB

Download
memory/2104-8-0x000000007719F000-0x00000000771A0000-memory.dmp

Filesize
4KB

Download
memory/2104-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2104-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2104-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download