tinba | dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401

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 15:36

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General

Target

JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe
Size

89KB
MD5

5a97d7b03b718441c0ffe79f9b03175b
SHA1

746621849c1d0341a2ad5dfc015167a576814e23
SHA256

dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401
SHA512

d598cbd72d9d23a7c46d5dd693922e51dc690b593b233d3bf277206e1e028a52527574a9355e64e50fff126f4e98364de0c79da1d68c80786fa7512182f64849
SSDEEP

1536:Hr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:L+4MJIkLZJNAQ9Jo9e

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\1C5C4F17 = "C:\\Users\\Admin\\AppData\\Roaming\\1C5C4F17\\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/1032-0-0x0000000000400000-0x0000000000418000-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_5a97d7b03b718441c0ffe79f9b03175b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2080	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 2080	1032	JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe	29
PID 1032 wrote to memory of 2080	1032	JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe	29
PID 1032 wrote to memory of 2080	1032	JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe	29
PID 1032 wrote to memory of 2080	1032	JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe	29
PID 1032 wrote to memory of 2080	1032	JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe	29
PID 2080 wrote to memory of 1196	2080	winver.exe	21
PID 2080 wrote to memory of 1104	2080	winver.exe	19
PID 2080 wrote to memory of 1172	2080	winver.exe	20
PID 2080 wrote to memory of 1196	2080	winver.exe	21
PID 2080 wrote to memory of 1536	2080	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1032
- - 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:2080

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1536

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/1032-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1032-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1032-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/1032-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1032-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/1104-24-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1104-25-0x0000000077921000-0x0000000077922000-memory.dmp

Filesize
4KB

Download
memory/1172-32-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1172-19-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1172-29-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1172-30-0x0000000077921000-0x0000000077922000-memory.dmp

Filesize
4KB

Download
memory/1196-10-0x0000000077921000-0x0000000077922000-memory.dmp

Filesize
4KB

Download
memory/1196-26-0x00000000028F0000-0x00000000028F6000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002910000-0x0000000002916000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002910000-0x0000000002916000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x00000000028F0000-0x00000000028F6000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002910000-0x0000000002916000-memory.dmp

Filesize
24KB

Download
memory/1536-27-0x0000000001E90000-0x0000000001E96000-memory.dmp

Filesize
24KB

Download
memory/1536-28-0x0000000077921000-0x0000000077922000-memory.dmp

Filesize
4KB

Download
memory/1536-23-0x0000000001E90000-0x0000000001E96000-memory.dmp

Filesize
24KB

Download
memory/2080-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2080-11-0x00000000778D0000-0x0000000077A79000-memory.dmp

Filesize
1.7MB

Download
memory/2080-9-0x0000000077ACF000-0x0000000077AD1000-memory.dmp

Filesize
8KB

Download
memory/2080-8-0x0000000077ACF000-0x0000000077AD0000-memory.dmp

Filesize
4KB

Download
memory/2080-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2080-7-0x0000000077AD0000-0x0000000077AD1000-memory.dmp

Filesize
4KB

Download