tinba | dcc5d0c9c2f599beb484978d679a31794c44b611b7ba6586ebf5357f9d9c7a4d

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 23:49

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General

Target

dcc5d0c9c2f599beb484978d679a31794c44b611b7ba6586ebf5357f9d9c7a4d.exe
Size

237KB
MD5

e0617b93f77542ffa4ec38181c7f5160
SHA1

9d7597fa7cd0ae399dc51356d836c8fb301160fb
SHA256

dcc5d0c9c2f599beb484978d679a31794c44b611b7ba6586ebf5357f9d9c7a4d
SHA512

2e7b01e593db7887a07af1eaff058305e866ca4c59d9e754063c2862dd3695af65a91319b8f32a4eef59d58a9bee4b0c566df3fcb206d2b3e65b19a045af937b
SSDEEP

6144:NA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:NATuTAnKGwUAWVycQqgD

Score

10^/10

tinba banker discovery persistence trojan

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\09DC29CE = "C:\\Users\\Admin\\AppData\\Roaming\\09DC29CE\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	dcc5d0c9c2f599beb484978d679a31794c44b611b7ba6586ebf5357f9d9c7a4d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2736	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2736	2344	dcc5d0c9c2f599beb484978d679a31794c44b611b7ba6586ebf5357f9d9c7a4d.exe	31
PID 2344 wrote to memory of 2736	2344	dcc5d0c9c2f599beb484978d679a31794c44b611b7ba6586ebf5357f9d9c7a4d.exe	31
PID 2344 wrote to memory of 2736	2344	dcc5d0c9c2f599beb484978d679a31794c44b611b7ba6586ebf5357f9d9c7a4d.exe	31
PID 2344 wrote to memory of 2736	2344	dcc5d0c9c2f599beb484978d679a31794c44b611b7ba6586ebf5357f9d9c7a4d.exe	31
PID 2344 wrote to memory of 2736	2344	dcc5d0c9c2f599beb484978d679a31794c44b611b7ba6586ebf5357f9d9c7a4d.exe	31
PID 2736 wrote to memory of 1172	2736	winver.exe	21
PID 2736 wrote to memory of 1052	2736	winver.exe	18
PID 2736 wrote to memory of 1128	2736	winver.exe	20
PID 2736 wrote to memory of 1172	2736	winver.exe	21
PID 2736 wrote to memory of 2344	2736	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1052

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1128

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1172
- C:\Users\Admin\AppData\Local\Temp\dcc5d0c9c2f599beb484978d679a31794c44b611b7ba6586ebf5357f9d9c7a4d.exe
  "C:\Users\Admin\AppData\Local\Temp\dcc5d0c9c2f599beb484978d679a31794c44b611b7ba6586ebf5357f9d9c7a4d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2344
- - 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:2736

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 Information Discovery

T1082

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/1052-11-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1052-23-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1128-25-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1128-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-24-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1172-17-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1172-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1172-6-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1172-1-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/2344-8-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2736-22-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2736-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2736-27-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download