tinba | 8e8643f384a788bca4808afc13e4e59ee8e75aa0d5279bf3b52d8f2d86340906

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 18:33

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General

Target

JaffaCakes118_2eea5a13c7b8bec2300a2d2f6905a14b.exe
Size

34KB
MD5

2eea5a13c7b8bec2300a2d2f6905a14b
SHA1

31ed276ebdc48dd6532b066ce1cfa4c0b7dd937e
SHA256

8e8643f384a788bca4808afc13e4e59ee8e75aa0d5279bf3b52d8f2d86340906
SHA512

d6747ada8ed02ec6441fd475fab3347d2b19a47e5731a2429d06b08f735725734ec0cc4d6f05375b095d1a3e1a7a8cba4435dbb6941bf0561a7e0b2fb253cd2b
SSDEEP

768:6p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:6pYoX58z1uirL98xMWnT0OQ9J2

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\DFBF81F2 = "C:\\Users\\Admin\\AppData\\Roaming\\DFBF81F2\\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/2148-0-0x0000000000400000-0x0000000000417000-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_2eea5a13c7b8bec2300a2d2f6905a14b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2044	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2044	2148	JaffaCakes118_2eea5a13c7b8bec2300a2d2f6905a14b.exe	32
PID 2148 wrote to memory of 2044	2148	JaffaCakes118_2eea5a13c7b8bec2300a2d2f6905a14b.exe	32
PID 2148 wrote to memory of 2044	2148	JaffaCakes118_2eea5a13c7b8bec2300a2d2f6905a14b.exe	32
PID 2148 wrote to memory of 2044	2148	JaffaCakes118_2eea5a13c7b8bec2300a2d2f6905a14b.exe	32
PID 2148 wrote to memory of 2044	2148	JaffaCakes118_2eea5a13c7b8bec2300a2d2f6905a14b.exe	32
PID 2044 wrote to memory of 1156	2044	winver.exe	20
PID 2044 wrote to memory of 1080	2044	winver.exe	18
PID 2044 wrote to memory of 1088	2044	winver.exe	19
PID 2044 wrote to memory of 1156	2044	winver.exe	20
PID 2044 wrote to memory of 468	2044	winver.exe	25

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

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1156
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2eea5a13c7b8bec2300a2d2f6905a14b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2eea5a13c7b8bec2300a2d2f6905a14b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2148
- - 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:2044

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:468

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/468-24-0x0000000001D40000-0x0000000001D46000-memory.dmp

Filesize
24KB

Download
memory/468-30-0x0000000077481000-0x0000000077482000-memory.dmp

Filesize
4KB

Download
memory/468-31-0x0000000001D40000-0x0000000001D46000-memory.dmp

Filesize
24KB

Download
memory/1080-26-0x0000000077481000-0x0000000077482000-memory.dmp

Filesize
4KB

Download
memory/1080-25-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1088-28-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1088-20-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1156-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1156-10-0x0000000077481000-0x0000000077482000-memory.dmp

Filesize
4KB

Download
memory/1156-22-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1156-2-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1156-4-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1156-29-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/2044-11-0x0000000077430000-0x00000000775D9000-memory.dmp

Filesize
1.7MB

Download
memory/2044-7-0x0000000077630000-0x0000000077631000-memory.dmp

Filesize
4KB

Download
memory/2044-27-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2044-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2044-8-0x000000007762F000-0x0000000077630000-memory.dmp

Filesize
4KB

Download
memory/2044-9-0x000000007762F000-0x0000000077631000-memory.dmp

Filesize
8KB

Download
memory/2044-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2148-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2148-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2148-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2148-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2148-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download