tinba | d09b97f287196cdb3ee70e0e509a7371e9916f3498e60bc9d510fe1f7babc309

Analysis

max time kernel
61s
max time network
74s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:47

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General

Target

ad5c3ee179a1cf123151beeda7f11dcd.exe
Size

96KB
MD5

ad5c3ee179a1cf123151beeda7f11dcd
SHA1

6099e33cbadc7a7bde7b3db81c126f318dd587b2
SHA256

d09b97f287196cdb3ee70e0e509a7371e9916f3498e60bc9d510fe1f7babc309
SHA512

fe70001d2f7c5f6dda2bb47ad05c7ef638df657ce72782682d4ebffbcd06e17b0d748310fa809c30ba5ee0427d7cb6f13706dd243f37a93863c406ee30a43dae
SSDEEP

1536:NE9QCVQ8B9/ui73aOtH0nrFgUhRwqjhurmKFct:vCVX/uMKacdhTjAqGct

Score

10^/10

tinba banker persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker 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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\268D13A8 = "C:\\Users\\Admin\\AppData\\Roaming\\268D13A8\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5016	winver.exe
5016	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5016	winver.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 5016	3312	ad5c3ee179a1cf123151beeda7f11dcd.exe	91
PID 3312 wrote to memory of 5016	3312	ad5c3ee179a1cf123151beeda7f11dcd.exe	91
PID 3312 wrote to memory of 5016	3312	ad5c3ee179a1cf123151beeda7f11dcd.exe	91
PID 3312 wrote to memory of 5016	3312	ad5c3ee179a1cf123151beeda7f11dcd.exe	91
PID 5016 wrote to memory of 3376	5016	winver.exe	53
PID 5016 wrote to memory of 2832	5016	winver.exe	59
PID 5016 wrote to memory of 2936	5016	winver.exe	57

C:\Users\Admin\AppData\Local\Temp\ad5c3ee179a1cf123151beeda7f11dcd.exe
"C:\Users\Admin\AppData\Local\Temp\ad5c3ee179a1cf123151beeda7f11dcd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3312
- C:\Windows\SysWOW64\winver.exe
  winver
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:5016

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3376

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2936

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832

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/2832-16-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/2936-13-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/3312-9-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/3312-3-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/3312-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3312-0-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/3376-6-0x00007FFE26D6D000-0x00007FFE26D6E000-memory.dmp

Filesize
4KB

Download
memory/3376-2-0x0000000000940000-0x0000000000946000-memory.dmp

Filesize
24KB

Download
memory/3376-1-0x0000000000940000-0x0000000000946000-memory.dmp

Filesize
24KB

Download
memory/3376-15-0x0000000000920000-0x0000000000926000-memory.dmp

Filesize
24KB

Download
memory/3556-18-0x0000000000AF0000-0x0000000000AF6000-memory.dmp

Filesize
24KB

Download
memory/5016-4-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/5016-5-0x0000000077982000-0x0000000077983000-memory.dmp

Filesize
4KB

Download
memory/5016-7-0x0000000000CF0000-0x0000000000D02000-memory.dmp

Filesize
72KB

Download
memory/5016-11-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download