loaderbot | f1e4bb232f6e5e0bcfb68627aea7b09b114e8f6d15a57a6e2e938db455d768bb

Analysis

max time kernel
120s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2023 02:25

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General

Target

79931719ae9c21e1d8c5f1a419e85f71.exe
Size

2.1MB
MD5

79931719ae9c21e1d8c5f1a419e85f71
SHA1

d4c5bdc3d4a0f2e9ca5f6e9407b837dea75c8edd
SHA256

f1e4bb232f6e5e0bcfb68627aea7b09b114e8f6d15a57a6e2e938db455d768bb
SHA512

e71ee3950f025f4aa0727a52b4493d9c57671bd73b3ae9309983229071c1812d2b9801067a0e80fa04dddc5e13e3dfdb223f07c75ab7757f296f79db7bad986f
SSDEEP

49152:ABRj0wlUtbZqxNwv6MitufUjzmTL7oG34n0FBhlT:at0wlUxgGqzULEGgi

Score

10^/10

loaderbot xmrig loader miner persistence

Malware Config

Signatures

LoaderBot
LoaderBot is a loader written in .NET downloading and executing miners.
loader miner loaderbot
xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

LoaderBot executable 4 IoCs

resource	yara_rule
behavioral2/files/0x0004000000000733-147.dat	loaderbot
behavioral2/files/0x0004000000000733-153.dat	loaderbot
behavioral2/files/0x0004000000000733-154.dat	loaderbot
behavioral2/memory/4204-155-0x0000000000750000-0x0000000000B4E000-memory.dmp	loaderbot

XMRig Miner payload 16 IoCs

miner

resource	yara_rule
behavioral2/memory/3584-171-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/3584-172-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-175-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-178-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-179-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-182-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-185-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-186-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-187-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-188-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-189-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-190-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-191-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-192-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-193-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig
behavioral2/memory/2748-194-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	79931719ae9c21e1d8c5f1a419e85f71.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	work.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	fesa.exe

Drops startup file 1 IoCs

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

Executes dropped EXE 4 IoCs

pid	Process
2532	work.exe
4204	fesa.exe
3584	Driver.exe
2748	Driver.exe

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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Driver = "C:\\Users\\Admin\\AppData\\Roaming\\Sysfiles\\fesa.exe"	fesa.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4508	3584	WerFault.exe	92

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe
4204	fesa.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
660	Process not Found

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4204	fesa.exe
Token: SeLockMemoryPrivilege	3584	Driver.exe
Token: SeLockMemoryPrivilege	3584	Driver.exe
Token: SeLockMemoryPrivilege	2748	Driver.exe
Token: SeLockMemoryPrivilege	2748	Driver.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 2216	4416	79931719ae9c21e1d8c5f1a419e85f71.exe	84
PID 4416 wrote to memory of 2216	4416	79931719ae9c21e1d8c5f1a419e85f71.exe	84
PID 4416 wrote to memory of 2216	4416	79931719ae9c21e1d8c5f1a419e85f71.exe	84
PID 2216 wrote to memory of 2532	2216	cmd.exe	87
PID 2216 wrote to memory of 2532	2216	cmd.exe	87
PID 2216 wrote to memory of 2532	2216	cmd.exe	87
PID 2532 wrote to memory of 4204	2532	work.exe	88
PID 2532 wrote to memory of 4204	2532	work.exe	88
PID 2532 wrote to memory of 4204	2532	work.exe	88
PID 4204 wrote to memory of 3584	4204	fesa.exe	92
PID 4204 wrote to memory of 3584	4204	fesa.exe	92
PID 4204 wrote to memory of 2748	4204	fesa.exe	97
PID 4204 wrote to memory of 2748	4204	fesa.exe	97

C:\Users\Admin\AppData\Local\Temp\79931719ae9c21e1d8c5f1a419e85f71.exe
"C:\Users\Admin\AppData\Local\Temp\79931719ae9c21e1d8c5f1a419e85f71.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\1.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2216
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\work.exe
    work.exe -priverdD
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2532
  - - C:\Users\Admin\AppData\Local\Temp\RarSFX1\fesa.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX1\fesa.exe"
      4⤵
      Checks computer location settings
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4204
    - - C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
        
        "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 427X8guX5JRRGk4v7gRcwK85MwpjCAN7djGqBAbCETdqc5biVY27pePT3Ctx43QMLAdKAaRDF4KW4HiozmdQ7EHrNczdnfM -p x -k -v=0 --donate-level=1 -t 2
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:3584
      - C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 3584 -s 764
        6⤵
        Program crash
        
        PID:4508
    - - C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
        
        "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 427X8guX5JRRGk4v7gRcwK85MwpjCAN7djGqBAbCETdqc5biVY27pePT3Ctx43QMLAdKAaRDF4KW4HiozmdQ7EHrNczdnfM -p x -k -v=0 --donate-level=1 -t 2
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:2748

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 480 -p 3584 -ip 3584
1⤵
PID:4700

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\1.bat

Filesize
35B

MD5
ff59d999beb970447667695ce3273f75

SHA1
316fa09f467ba90ac34a054daf2e92e6e2854ff8

SHA256
065d2b17ad499587dc9de7ee9ecda4938b45da1df388bc72e6627dff220f64d2

SHA512
d5ac72cb065a3cd3cb118a69a2f356314eeed24dcb4880751e1a3683895e66cedc62607967e29f77a0c27adf1c9fe0efd86e804f693f0a63a5b51b0bf0056b5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\work.exe

Filesize
1.9MB

MD5
636373768d83d47a8469e19e7c364cba

SHA1
9a0af5c6a5af766c45d2d318727843f4909bf35f

SHA256
0af038a51b667ec95cac7ebd4a4c04b5011c451e211c34cb1c918891e955268a

SHA512
1f8d81b4463a0533d1e264cd946f5de8c7e5c584c9ac2ff63f23e3bd7c235abdc3f4a547059e71d362540bfbcedfb35bbcd558d83baa1daa675be059d34140f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\work.exe

Filesize
1.9MB

MD5
636373768d83d47a8469e19e7c364cba

SHA1
9a0af5c6a5af766c45d2d318727843f4909bf35f

SHA256
0af038a51b667ec95cac7ebd4a4c04b5011c451e211c34cb1c918891e955268a

SHA512
1f8d81b4463a0533d1e264cd946f5de8c7e5c584c9ac2ff63f23e3bd7c235abdc3f4a547059e71d362540bfbcedfb35bbcd558d83baa1daa675be059d34140f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX1\fesa.exe

Filesize
4.0MB

MD5
33b4baef7b0a6ad57a7d30af324c4efd

SHA1
b169a559615a8448d7ed7da56d36a6850d2092e2

SHA256
3a48d4a5106dd9ba74e5fccfe58bf65581ee894d7f3ca1b15e6680fc912cd150

SHA512
739759d92a9e48e41b0366104ac9edf469cd8f323bbef0b507e3351cf081869ed069b88927fa70329d655012702385a74686df921a62dba95d7ec138a1e46690

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX1\fesa.exe

Filesize
4.0MB

MD5
33b4baef7b0a6ad57a7d30af324c4efd

SHA1
b169a559615a8448d7ed7da56d36a6850d2092e2

SHA256
3a48d4a5106dd9ba74e5fccfe58bf65581ee894d7f3ca1b15e6680fc912cd150

SHA512
739759d92a9e48e41b0366104ac9edf469cd8f323bbef0b507e3351cf081869ed069b88927fa70329d655012702385a74686df921a62dba95d7ec138a1e46690

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX1\fesa.exe

Filesize
4.0MB

MD5
33b4baef7b0a6ad57a7d30af324c4efd

SHA1
b169a559615a8448d7ed7da56d36a6850d2092e2

SHA256
3a48d4a5106dd9ba74e5fccfe58bf65581ee894d7f3ca1b15e6680fc912cd150

SHA512
739759d92a9e48e41b0366104ac9edf469cd8f323bbef0b507e3351cf081869ed069b88927fa70329d655012702385a74686df921a62dba95d7ec138a1e46690

Download Submit
C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

Filesize
3.9MB

MD5
02569a7a91a71133d4a1023bf32aa6f4

SHA1
0f16bcb3f3f085d3d3be912195558e9f9680d574

SHA256
8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

SHA512
534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

Download Submit
C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

Filesize
3.9MB

MD5
02569a7a91a71133d4a1023bf32aa6f4

SHA1
0f16bcb3f3f085d3d3be912195558e9f9680d574

SHA256
8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

SHA512
534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

Download Submit
C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

Filesize
3.9MB

MD5
02569a7a91a71133d4a1023bf32aa6f4

SHA1
0f16bcb3f3f085d3d3be912195558e9f9680d574

SHA256
8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

SHA512
534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

Download Submit
C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

Filesize
3.9MB

MD5
02569a7a91a71133d4a1023bf32aa6f4

SHA1
0f16bcb3f3f085d3d3be912195558e9f9680d574

SHA256
8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

SHA512
534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

Download Submit
memory/2748-186-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/2748-182-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/2748-194-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/2748-193-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/2748-192-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/2748-191-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/2748-175-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/2748-176-0x00000000004F0000-0x0000000000510000-memory.dmp

Filesize
128KB

Download
memory/2748-190-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/2748-178-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/2748-179-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/2748-180-0x0000000000510000-0x0000000000530000-memory.dmp

Filesize
128KB

Download
memory/2748-181-0x0000000000530000-0x0000000000550000-memory.dmp

Filesize
128KB

Download
memory/2748-189-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/2748-183-0x0000000000510000-0x0000000000530000-memory.dmp

Filesize
128KB

Download
memory/2748-184-0x0000000000530000-0x0000000000550000-memory.dmp

Filesize
128KB

Download
memory/2748-185-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/2748-188-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/2748-187-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/3584-172-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/3584-171-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/3584-170-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4204-155-0x0000000000750000-0x0000000000B4E000-memory.dmp

Filesize
4.0MB

Download
memory/4204-160-0x00000000054C0000-0x00000000054D0000-memory.dmp

Filesize
64KB

Download
memory/4204-177-0x00000000054C0000-0x00000000054D0000-memory.dmp

Filesize
64KB

Download
memory/4204-158-0x00000000057B0000-0x0000000005816000-memory.dmp

Filesize
408KB

Download