tinba | 2e27c7145c7099b9f170fb1916d315246fe2735b73d1d0faa5a786db1e536c73

Analysis

max time kernel
7s
max time network
11s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:18

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General

Target
02a5648e74d829600addced61742eee1.exe
Size 160KB
Sample231219-mcbx4sbcd3
SHA256 2e27c7145c7099b9f170fb1916d315246fe2735b73d1d0faa5a786db1e536c73
MD5 02a5648e74d829600addced61742eee1
SHA1 00d3032827fa5a20927e6ebf725d452065c6766f
SHA512 623a55e5aaf15c6404e91cfc4a5de8c2790c963260de6ff0f9c04fd5950faa16ab9bac11542aeacb5e64ab3c99e4150ec25e62124b3cfac89097c8a7ea8cc45d
SSDEEP 1536:REY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:aY+4MiIkLZJNAQ9J6v
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/448-0-0x0000000000400000-0x0000000000428000-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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2636EE6D = "C:\\Users\\Admin\\AppData\\Roaming\\2636EE6D\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2076	winver.exe
2076	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2076	winver.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 2076	448	02a5648e74d829600addced61742eee1.exe	88
PID 448 wrote to memory of 2076	448	02a5648e74d829600addced61742eee1.exe	88
PID 448 wrote to memory of 2076	448	02a5648e74d829600addced61742eee1.exe	88
PID 448 wrote to memory of 2076	448	02a5648e74d829600addced61742eee1.exe	88
PID 2076 wrote to memory of 3408	2076	winver.exe	36
PID 2076 wrote to memory of 2472	2076	winver.exe	73
PID 2076 wrote to memory of 2484	2076	winver.exe	72
PID 2076 wrote to memory of 2740	2076	winver.exe	68

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3408
- C:\Users\Admin\AppData\Local\Temp\02a5648e74d829600addced61742eee1.exe
  "C:\Users\Admin\AppData\Local\Temp\02a5648e74d829600addced61742eee1.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:448
- - 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:2076

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2740

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2484

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2472

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/448-1-0x00000000004C0000-0x00000000004C1000-memory.dmp

Download

memory/448-4-0x0000000002220000-0x0000000002C20000-memory.dmp

Download

memory/448-0-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/448-8-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/2076-5-0x0000000077932000-0x0000000077933000-memory.dmp

Download

memory/2076-7-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Download

memory/2472-16-0x00000000005C0000-0x00000000005C6000-memory.dmp

Download

memory/2484-13-0x0000000000910000-0x0000000000916000-memory.dmp

Download

memory/2740-14-0x0000000000790000-0x0000000000796000-memory.dmp

Download

memory/3408-6-0x00007FFC2788D000-0x00007FFC2788E000-memory.dmp

Download

memory/3408-9-0x00007FFC27A20000-0x00007FFC27A21000-memory.dmp

Download

memory/3408-3-0x0000000000E40000-0x0000000000E46000-memory.dmp

Download

memory/3408-2-0x0000000000E40000-0x0000000000E46000-memory.dmp

Download

memory/3408-15-0x0000000000E90000-0x0000000000E96000-memory.dmp

Download

memory/3756-20-0x0000000000220000-0x0000000000226000-memory.dmp

Download