tinba | 77c8961407965a21d8dc9ee29641b4fc1dfe8e9fd45c708648ca718811f6d1a2

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 23:40

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General

Target

77c8961407965a21d8dc9ee29641b4fc1dfe8e9fd45c708648ca718811f6d1a2.exe
Size

225KB
MD5

a03caef1fad79ea7da470aea559c111d
SHA1

929ceff0e68c785d00f0984bd477d343d4dd8f9c
SHA256

77c8961407965a21d8dc9ee29641b4fc1dfe8e9fd45c708648ca718811f6d1a2
SHA512

2f45bb818bf9761c164591c52c804f2a7f3ddbbf5f4069cd0b44d2e6c20c9b1a57b6acbd59a67a4fe5e5d6c6bc721f851ffff53bc93696e3b84ccc80b11d0e05
SSDEEP

6144:bA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:bATuTAnKGwUAW3ycQqgf

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\152DB87F = "C:\\Users\\Admin\\AppData\\Roaming\\152DB87F\\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	77c8961407965a21d8dc9ee29641b4fc1dfe8e9fd45c708648ca718811f6d1a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe
2852	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2852	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2852	2104	77c8961407965a21d8dc9ee29641b4fc1dfe8e9fd45c708648ca718811f6d1a2.exe	29
PID 2104 wrote to memory of 2852	2104	77c8961407965a21d8dc9ee29641b4fc1dfe8e9fd45c708648ca718811f6d1a2.exe	29
PID 2104 wrote to memory of 2852	2104	77c8961407965a21d8dc9ee29641b4fc1dfe8e9fd45c708648ca718811f6d1a2.exe	29
PID 2104 wrote to memory of 2852	2104	77c8961407965a21d8dc9ee29641b4fc1dfe8e9fd45c708648ca718811f6d1a2.exe	29
PID 2104 wrote to memory of 2852	2104	77c8961407965a21d8dc9ee29641b4fc1dfe8e9fd45c708648ca718811f6d1a2.exe	29
PID 2852 wrote to memory of 1364	2852	winver.exe	20
PID 2852 wrote to memory of 1212	2852	winver.exe	18
PID 2852 wrote to memory of 1300	2852	winver.exe	19
PID 2852 wrote to memory of 1364	2852	winver.exe	20
PID 2852 wrote to memory of 1124	2852	winver.exe	22
PID 2852 wrote to memory of 2104	2852	winver.exe	28

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1212

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1300

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1364
- C:\Users\Admin\AppData\Local\Temp\77c8961407965a21d8dc9ee29641b4fc1dfe8e9fd45c708648ca718811f6d1a2.exe
  "C:\Users\Admin\AppData\Local\Temp\77c8961407965a21d8dc9ee29641b4fc1dfe8e9fd45c708648ca718811f6d1a2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2104
- - 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:2852

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1124

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/1124-26-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/1124-19-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1212-27-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1300-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1300-13-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1364-6-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1364-16-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/1364-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1364-3-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1364-29-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/2104-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-24-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2852-4-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2852-31-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download