tinba | 034128a5ed4fae9549e86f7263a90e046e50e8b4a28a877042d23d3d0bf52649

Analysis

max time kernel
140s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2024, 02:35

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General

Target
8a3c907c04a3d997dd7a5a20e8884ba0_NeikiAnalytics.exe
Size 100KB
Sample240601-c3d52sfa2y
SHA256 034128a5ed4fae9549e86f7263a90e046e50e8b4a28a877042d23d3d0bf52649
MD5 8a3c907c04a3d997dd7a5a20e8884ba0
SHA1 2a88e939370caa09bafbc8f9a3f8f563e5cfad12
SHA512 97f9d6777f882e583bcd674718996f41556399d8de208b73923c536255aafc682e7adc7d8455cd8ad2d7e6c27280f1e68a9666ec47d257bc167491ef81307308
SSDEEP 1536:jE9QaVQ8v9/ui73aOtH0nrFgUhRwqjhurmKFctV:xaV1/uMKacdhTjAqGctV
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan

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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4A3E98A8 = "C:\\Users\\Admin\\AppData\\Roaming\\4A3E98A8\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1172	4444	WerFault.exe	93

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4444	winver.exe
4444	winver.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4444	winver.exe
3492	Explorer.EXE
3492	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3492	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 4444	3932	8a3c907c04a3d997dd7a5a20e8884ba0_NeikiAnalytics.exe	93
PID 3932 wrote to memory of 4444	3932	8a3c907c04a3d997dd7a5a20e8884ba0_NeikiAnalytics.exe	93
PID 3932 wrote to memory of 4444	3932	8a3c907c04a3d997dd7a5a20e8884ba0_NeikiAnalytics.exe	93
PID 3932 wrote to memory of 4444	3932	8a3c907c04a3d997dd7a5a20e8884ba0_NeikiAnalytics.exe	93
PID 4444 wrote to memory of 3492	4444	winver.exe	56
PID 4444 wrote to memory of 2528	4444	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2528

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3492
- C:\Users\Admin\AppData\Local\Temp\8a3c907c04a3d997dd7a5a20e8884ba0_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\8a3c907c04a3d997dd7a5a20e8884ba0_NeikiAnalytics.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3932
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4444
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 352
      4⤵
      Program crash
      PID:1172

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 --no-appcompat-clear --field-trial-handle=4240,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=3984 /prefetch:8
1⤵
PID:3672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4444 -ip 4444
1⤵
PID:4500

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2528-16-0x0000000000EB0000-0x0000000000EB6000-memory.dmp

Download

memory/3492-11-0x00007FFFCACC0000-0x00007FFFCACC1000-memory.dmp

Download

memory/3492-3-0x0000000002520000-0x0000000002526000-memory.dmp

Download

memory/3492-2-0x0000000002520000-0x0000000002526000-memory.dmp

Download

memory/3492-12-0x00007FFFCACA0000-0x00007FFFCACA1000-memory.dmp

Download

memory/3492-7-0x00007FFFCAB2D000-0x00007FFFCAB2E000-memory.dmp

Download

memory/3932-10-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/3932-0-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/3932-4-0x00000000020B0000-0x0000000002AB0000-memory.dmp

Download

memory/3932-1-0x0000000000680000-0x0000000000681000-memory.dmp

Download

memory/4444-6-0x00000000774F2000-0x00000000774F3000-memory.dmp

Download

memory/4444-5-0x0000000000D40000-0x0000000000D46000-memory.dmp

Download

memory/4444-8-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

Download

memory/4444-17-0x0000000000D40000-0x0000000000D46000-memory.dmp

Download