bitrat | 1d2ad0e9b26a1e83ea43e5c17658df821c78bf4044aa0c6d71d01452584a67b4

Analysis

max time kernel
149s
max time network
152s
platform
windows10_x64
resource
win10v20210410
submitted
23/07/2021, 12:25

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General

Target
a27c7214242993d5a07fa69f2f7c09bb.exe
Size 694KB
Sample210723-yg1nslessx
SHA256 1d2ad0e9b26a1e83ea43e5c17658df821c78bf4044aa0c6d71d01452584a67b4
MD5 a27c7214242993d5a07fa69f2f7c09bb
SHA1 6acd7d390c9ada4ffa83d50241cbc1af1fc1dd96
SHA512 8aa72586b77b731b4f5b0120bd6923271520197f76fe94ec72b8f0bf7f0462c213ebd0517b27c04b8dd540d69cc445a93424593b85ec559c6be1d5fb2b0a4d1a
MD5 SHA1 SHA512

Score

10^/10

bitrat persistence trojan upx

Malware Config

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat

BitRAT Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2652-116-0x00000000007E2730-mapping.dmp	family_bitrat
behavioral2/memory/2652-124-0x0000000000400000-0x00000000007E4000-memory.dmp	family_bitrat

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2652-115-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2652-124-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\Wxqlaqq = "C:\\Users\\Public\\Libraries\\qqalqxW.url"	a27c7214242993d5a07fa69f2f7c09bb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2652	a27c7214242993d5a07fa69f2f7c09bb.exe
2652	a27c7214242993d5a07fa69f2f7c09bb.exe
2652	a27c7214242993d5a07fa69f2f7c09bb.exe
2652	a27c7214242993d5a07fa69f2f7c09bb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2388 set thread context of 2652	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	79

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
4008	reg.exe
3960	reg.exe
1924	reg.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2652	a27c7214242993d5a07fa69f2f7c09bb.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2652	a27c7214242993d5a07fa69f2f7c09bb.exe
2652	a27c7214242993d5a07fa69f2f7c09bb.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2652	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	79
PID 2388 wrote to memory of 2652	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	79
PID 2388 wrote to memory of 2652	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	79
PID 2388 wrote to memory of 2652	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	79
PID 2388 wrote to memory of 2652	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	79
PID 2388 wrote to memory of 2652	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	79
PID 2388 wrote to memory of 2652	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	79
PID 2388 wrote to memory of 2652	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	79
PID 2388 wrote to memory of 3944	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	80
PID 2388 wrote to memory of 3944	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	80
PID 2388 wrote to memory of 3944	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	80
PID 3944 wrote to memory of 3408	3944	cmd.exe	82
PID 3944 wrote to memory of 3408	3944	cmd.exe	82
PID 3944 wrote to memory of 3408	3944	cmd.exe	82
PID 3408 wrote to memory of 4008	3408	cmd.exe	84
PID 3408 wrote to memory of 4008	3408	cmd.exe	84
PID 3408 wrote to memory of 4008	3408	cmd.exe	84
PID 3408 wrote to memory of 3960	3408	cmd.exe	85
PID 3408 wrote to memory of 3960	3408	cmd.exe	85
PID 3408 wrote to memory of 3960	3408	cmd.exe	85
PID 3408 wrote to memory of 3984	3408	cmd.exe	86
PID 3408 wrote to memory of 3984	3408	cmd.exe	86
PID 3408 wrote to memory of 3984	3408	cmd.exe	86
PID 2388 wrote to memory of 2472	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	87
PID 2388 wrote to memory of 2472	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	87
PID 2388 wrote to memory of 2472	2388	a27c7214242993d5a07fa69f2f7c09bb.exe	87
PID 2472 wrote to memory of 1924	2472	cmd.exe	89
PID 2472 wrote to memory of 1924	2472	cmd.exe	89
PID 2472 wrote to memory of 1924	2472	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\a27c7214242993d5a07fa69f2f7c09bb.exe
"C:\Users\Admin\AppData\Local\Temp\a27c7214242993d5a07fa69f2f7c09bb.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Users\Admin\AppData\Local\Temp\a27c7214242993d5a07fa69f2f7c09bb.exe
  "C:\Users\Admin\AppData\Local\Temp\a27c7214242993d5a07fa69f2f7c09bb.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2652
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3944
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3408
  - - C:\Windows\SysWOW64\reg.exe
      reg delete hkcu\Environment /v windir /f
      4⤵
      Modifies registry key
      PID:4008
  - - C:\Windows\SysWOW64\reg.exe
      reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
      4⤵
      Modifies registry key
      PID:3960
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
      4⤵
      PID:3984
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2472
- - C:\Windows\SysWOW64\reg.exe
    reg delete hkcu\Environment /v windir /f
    3⤵
    - Modifies registry key
    PID:1924

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2388-114-0x00000000020B0000-0x00000000020B1000-memory.dmp

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memory/2652-124-0x0000000000400000-0x00000000007E4000-memory.dmp

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memory/2652-115-0x0000000000400000-0x00000000007E4000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads