tinba | 58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2ab

General

Target

58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe
Size

45KB
MD5

ba22f908c26d2ab0ad0ba475d9c771f0
SHA1

73225d3b46717d8d0ca130f0213623303a27a0d8
SHA256

58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2ab
SHA512

d560d44a89305b931e58b2fb29a9a69202e4dbd7e499c21859f823a363c2f8b3c8b95ef30ffffa8ba11ca190e2fb2324be5c95111560111fa3f517b33cac8b11
SSDEEP

768:xhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:LsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\48B36CB7 = "C:\\Users\\Admin\\AppData\\Roaming\\48B36CB7\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2216-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5016	4560	WerFault.exe	90

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	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4560	winver.exe
4560	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4560	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 4560	2216	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe	90
PID 2216 wrote to memory of 4560	2216	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe	90
PID 2216 wrote to memory of 4560	2216	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe	90
PID 2216 wrote to memory of 4560	2216	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe	90
PID 4560 wrote to memory of 3460	4560	winver.exe	56
PID 4560 wrote to memory of 2996	4560	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2996

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3460
- C:\Users\Admin\AppData\Local\Temp\58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe
  "C:\Users\Admin\AppData\Local\Temp\58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2216
- - 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:4560
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 352
      4⤵
      Program crash
      PID:5016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4560 -ip 4560
1⤵
PID:2592

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1016,i,11708048364682646792,608099842549576907,262144 --variations-seed-version --mojo-platform-channel-handle=4392 /prefetch:8
1⤵
PID:1116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2216-10-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/2216-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/2216-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2216-4-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/2216-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2996-16-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/2996-14-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/3460-2-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download
memory/3460-6-0x00007FF883CAD000-0x00007FF883CAE000-memory.dmp

Filesize
4KB

Download
memory/3460-3-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download
memory/4560-7-0x00007FF883C10000-0x00007FF883E05000-memory.dmp

Filesize
2.0MB

Download
memory/4560-5-0x0000000077712000-0x0000000077713000-memory.dmp

Filesize
4KB

Download
memory/4560-12-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/4560-15-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads