tinba | 90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 15:37

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General

Target

90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe
Size

110KB
MD5

56f9cfe6e58ba6322de6146a8d3b08f0
SHA1

dcebed97024d1a8e08847d8ffe750c4f6b9d0294
SHA256

90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980
SHA512

72a748a19b2ad58f81891b71422ad229e18d12568d98e73bd74489f281c83a9c15532df97906b540d722a444fac6aecc8c1d7c9c025e1f161cfdf4677ef9c5a8
SSDEEP

1536:ZiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:ZiyvRmDLs/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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\EFD28B7D = "C:\\Users\\Admin\\AppData\\Roaming\\EFD28B7D\\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/2236-0-0x0000000000400000-0x000000000041E000-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	90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe
1624	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1624	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 1624	2236	90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe	29
PID 2236 wrote to memory of 1624	2236	90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe	29
PID 2236 wrote to memory of 1624	2236	90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe	29
PID 2236 wrote to memory of 1624	2236	90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe	29
PID 2236 wrote to memory of 1624	2236	90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe	29
PID 1624 wrote to memory of 1200	1624	winver.exe	21
PID 1624 wrote to memory of 1084	1624	winver.exe	19
PID 1624 wrote to memory of 1172	1624	winver.exe	20
PID 1624 wrote to memory of 1200	1624	winver.exe	21
PID 1624 wrote to memory of 544	1624	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe
  "C:\Users\Admin\AppData\Local\Temp\90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2236
- - 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:1624

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:544

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/544-31-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/544-32-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/544-30-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1084-24-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1084-25-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1172-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1200-2-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1200-23-0x0000000002480000-0x0000000002486000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1200-27-0x0000000002480000-0x0000000002486000-memory.dmp

Filesize
24KB

Download
memory/1624-8-0x00000000772AF000-0x00000000772B0000-memory.dmp

Filesize
4KB

Download
memory/1624-7-0x00000000772B0000-0x00000000772B1000-memory.dmp

Filesize
4KB

Download
memory/1624-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1624-11-0x00000000770B0000-0x0000000077259000-memory.dmp

Filesize
1.7MB

Download
memory/1624-9-0x00000000772AF000-0x00000000772B1000-memory.dmp

Filesize
8KB

Download
memory/1624-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2236-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2236-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2236-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2236-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2236-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download