tinba | 0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfd

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 03:21

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General

Target

0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe
Size

110KB
MD5

67f8893330dc1434cffb1e2bca392740
SHA1

5402830e9c1c6743a60f40cb47422b63ec7116dd
SHA256

0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfd
SHA512

3227727926a78638f45c8836777669a3550df99cda736e9991ec8f512c477e256981fba6b920b247d10d9d53fbe7cbbd31d00de0e56095e7f05d8ec7a9e5e4bd
SSDEEP

1536:fiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:fiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\18CE8163 = "C:\\Users\\Admin\\AppData\\Roaming\\18CE8163\\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/1556-0-0x0000000000400000-0x000000000041E000-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	0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe
752	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
752	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 752	1556	0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe	31
PID 1556 wrote to memory of 752	1556	0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe	31
PID 1556 wrote to memory of 752	1556	0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe	31
PID 1556 wrote to memory of 752	1556	0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe	31
PID 1556 wrote to memory of 752	1556	0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe	31
PID 752 wrote to memory of 1100	752	winver.exe	20
PID 752 wrote to memory of 1040	752	winver.exe	17
PID 752 wrote to memory of 1068	752	winver.exe	18
PID 752 wrote to memory of 1100	752	winver.exe	20

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1040

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1100
- C:\Users\Admin\AppData\Local\Temp\0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe
  "C:\Users\Admin\AppData\Local\Temp\0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1556
- - 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:752

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/752-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/752-31-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/752-25-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/752-8-0x000000007740F000-0x0000000077410000-memory.dmp

Filesize
4KB

Download
memory/752-9-0x000000007740F000-0x0000000077411000-memory.dmp

Filesize
8KB

Download
memory/752-11-0x0000000077210000-0x00000000773B9000-memory.dmp

Filesize
1.7MB

Download
memory/752-7-0x0000000077410000-0x0000000077411000-memory.dmp

Filesize
4KB

Download
memory/1040-24-0x0000000077261000-0x0000000077262000-memory.dmp

Filesize
4KB

Download
memory/1040-23-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1068-26-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1068-20-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1100-3-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download
memory/1100-4-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download
memory/1100-27-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1100-2-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download
memory/1100-22-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1100-10-0x0000000077261000-0x0000000077262000-memory.dmp

Filesize
4KB

Download
memory/1556-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1556-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/1556-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1556-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/1556-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download