tinba | 1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 21:44

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General

Target

1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe
Size

110KB
MD5

96152f54bc2fbc1a53583d4595e5fd62
SHA1

b641ffa87cb99428710358babe7b13bfccae65ec
SHA256

1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6
SHA512

b5dd1a10e93d5df1c848a35d6a1297078411ced10c5085c3c9505cada548a327a2f82ac30994b09a46f4b46e9f3d41f3fd74626a35cf7f2117b9b3bfc281cb42
SSDEEP

1536:tiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:tiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\F9E86B62 = "C:\\Users\\Admin\\AppData\\Roaming\\F9E86B62\\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/2500-0-0x0000000000400000-0x000000000041E000-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	1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2064	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2064	2500	1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe	31
PID 2500 wrote to memory of 2064	2500	1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe	31
PID 2500 wrote to memory of 2064	2500	1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe	31
PID 2500 wrote to memory of 2064	2500	1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe	31
PID 2500 wrote to memory of 2064	2500	1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe	31
PID 2064 wrote to memory of 1176	2064	winver.exe	21
PID 2064 wrote to memory of 1056	2064	winver.exe	17
PID 2064 wrote to memory of 1084	2064	winver.exe	19
PID 2064 wrote to memory of 1176	2064	winver.exe	21
PID 2064 wrote to memory of 1760	2064	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1056

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1084

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1176
- C:\Users\Admin\AppData\Local\Temp\1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe
  "C:\Users\Admin\AppData\Local\Temp\1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2500
- - 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:2064

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1760

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/1056-26-0x0000000077411000-0x0000000077412000-memory.dmp

Filesize
4KB

Download
memory/1056-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1084-20-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1084-27-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1176-3-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1176-10-0x0000000077411000-0x0000000077412000-memory.dmp

Filesize
4KB

Download
memory/1176-2-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1176-22-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1176-4-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1760-29-0x0000000077411000-0x0000000077412000-memory.dmp

Filesize
4KB

Download
memory/1760-30-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1760-31-0x0000000077411000-0x0000000077412000-memory.dmp

Filesize
4KB

Download
memory/1760-24-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/2064-11-0x00000000773C0000-0x0000000077569000-memory.dmp

Filesize
1.7MB

Download
memory/2064-32-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2064-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2064-7-0x00000000775C0000-0x00000000775C1000-memory.dmp

Filesize
4KB

Download
memory/2064-8-0x00000000775BF000-0x00000000775C0000-memory.dmp

Filesize
4KB

Download
memory/2064-9-0x00000000775BF000-0x00000000775C1000-memory.dmp

Filesize
8KB

Download
memory/2500-13-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2500-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2500-5-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2500-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2500-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download