tinba | 50ac247a9506ac811578d54d913d886a2dcb1fde68871c15d404d775aa956984

Analysis

max time kernel
7s
max time network
12s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02/04/2024, 15:36

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General

Target
90658e731b92990c9eae02d71025efdc_JaffaCakes118.exe
Size 34KB
Sample240402-s2az1aee38
SHA256 50ac247a9506ac811578d54d913d886a2dcb1fde68871c15d404d775aa956984
MD5 90658e731b92990c9eae02d71025efdc
SHA1 86b2aa3125d653cff5bdc93fe5fb55fe0e474c22
SHA512 8444cb08f143aeec80cb8fb6238114d4e3b1fe6565bc87c3797fbfcf28c842ca394cbfe14fec71e65de8bfc566670c354ad7665702c87f4b66e43d42cf45295a
SSDEEP 768:Up22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JX:UpYoX58z1uirL98xMWnT0OQ9JX
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2072-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DFF45058 = "C:\\Users\\Admin\\AppData\\Roaming\\DFF45058\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1372	winver.exe
1372	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1372	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 1372	2072	90658e731b92990c9eae02d71025efdc_JaffaCakes118.exe	95
PID 2072 wrote to memory of 1372	2072	90658e731b92990c9eae02d71025efdc_JaffaCakes118.exe	95
PID 2072 wrote to memory of 1372	2072	90658e731b92990c9eae02d71025efdc_JaffaCakes118.exe	95
PID 2072 wrote to memory of 1372	2072	90658e731b92990c9eae02d71025efdc_JaffaCakes118.exe	95
PID 1372 wrote to memory of 3544	1372	winver.exe	57
PID 1372 wrote to memory of 2656	1372	winver.exe	45
PID 1372 wrote to memory of 2680	1372	winver.exe	46
PID 1372 wrote to memory of 2832	1372	winver.exe	52
PID 1372 wrote to memory of 3544	1372	winver.exe	57
PID 1372 wrote to memory of 3692	1372	winver.exe	58
PID 1372 wrote to memory of 3908	1372	winver.exe	59

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2680

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2832

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3544
- C:\Users\Admin\AppData\Local\Temp\90658e731b92990c9eae02d71025efdc_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\90658e731b92990c9eae02d71025efdc_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1372

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3692

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3908

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1372-5-0x00000000012E0000-0x00000000012E6000-memory.dmp

Download

memory/1372-8-0x0000000000DC0000-0x0000000000DD2000-memory.dmp

Download

memory/1372-6-0x0000000077762000-0x0000000077763000-memory.dmp

Download

memory/2072-4-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Download

memory/2072-11-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Download

memory/2072-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2072-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Download

memory/2072-10-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2656-18-0x00000000000C0000-0x00000000000C6000-memory.dmp

Download

memory/2680-19-0x0000000000750000-0x0000000000756000-memory.dmp

Download

memory/2680-15-0x0000000000750000-0x0000000000756000-memory.dmp

Download

memory/2832-16-0x00000000005A0000-0x00000000005A6000-memory.dmp

Download

memory/3544-9-0x00007FFB96940000-0x00007FFB96941000-memory.dmp

Download

memory/3544-7-0x00007FFB967AD000-0x00007FFB967AE000-memory.dmp

Download

memory/3544-3-0x0000000000340000-0x0000000000346000-memory.dmp

Download

memory/3544-2-0x0000000000340000-0x0000000000346000-memory.dmp

Download

memory/3544-17-0x0000000000380000-0x0000000000386000-memory.dmp

Download

memory/3692-20-0x0000000000C60000-0x0000000000C66000-memory.dmp

Download