xmrig | d838aec8129b940ee31f463e8264e578ba28e36b2dffe4c3ad89d8d8ed16953d

General

Target

7d5d33a41a2e00a719fd1b8e99dbdfcb.exe
Size

2.2MB
MD5

7d5d33a41a2e00a719fd1b8e99dbdfcb
SHA1

3eaa0173ff8b7271a38df63c57c833e0119a315f
SHA256

d838aec8129b940ee31f463e8264e578ba28e36b2dffe4c3ad89d8d8ed16953d
SHA512

512fb3fb212bb168d4ba80d647f312ed39432ca6c0fa1e67aae1835b151b05a466a8854fa061eea5de38265317b82ed9a587611f222df2a981d7197f343f2d52

Score

10^/10

xmrig discovery evasion miner spyware stealer themida trojan

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

fl.exechromy.exesihost32.exe

pid process

704 fl.exe
2704 chromy.exe
5008 sihost32.exe

pid	process
704	fl.exe
2704	chromy.exe
5008	sihost32.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

7d5d33a41a2e00a719fd1b8e99dbdfcb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7d5d33a41a2e00a719fd1b8e99dbdfcb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7d5d33a41a2e00a719fd1b8e99dbdfcb.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

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/3464-118-0x0000000000ED0000-0x0000000000ED1000-memory.dmp	themida

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

7d5d33a41a2e00a719fd1b8e99dbdfcb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	7d5d33a41a2e00a719fd1b8e99dbdfcb.exe

Drops file in System32 directory 3 IoCs

Processes:

conhost.execonhost.exe

description	ioc	process
File created	C:\Windows\system32\chromy.exe	conhost.exe
File opened for modification	C:\Windows\system32\chromy.exe	conhost.exe
File created	C:\Windows\system32\Microsoft\Telemetry\sihost32.exe	conhost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

7d5d33a41a2e00a719fd1b8e99dbdfcb.exe

pid process

3464 7d5d33a41a2e00a719fd1b8e99dbdfcb.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2136 schtasks.exe

pid	process
2136	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

7d5d33a41a2e00a719fd1b8e99dbdfcb.execonhost.execonhost.exe

pid	process
3464	7d5d33a41a2e00a719fd1b8e99dbdfcb.exe
3464	7d5d33a41a2e00a719fd1b8e99dbdfcb.exe
3464	7d5d33a41a2e00a719fd1b8e99dbdfcb.exe
1336	conhost.exe
3164	conhost.exe
3164	conhost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

7d5d33a41a2e00a719fd1b8e99dbdfcb.execonhost.execonhost.exe

description	pid	process
Token: SeDebugPrivilege	3464	7d5d33a41a2e00a719fd1b8e99dbdfcb.exe
Token: SeDebugPrivilege	1336	conhost.exe
Token: SeDebugPrivilege	3164	conhost.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

7d5d33a41a2e00a719fd1b8e99dbdfcb.exefl.execonhost.execmd.execmd.exechromy.execonhost.exesihost32.exe

description	pid	process	target process
PID 3464 wrote to memory of 704	3464	7d5d33a41a2e00a719fd1b8e99dbdfcb.exe	fl.exe
PID 3464 wrote to memory of 704	3464	7d5d33a41a2e00a719fd1b8e99dbdfcb.exe	fl.exe
PID 704 wrote to memory of 1336	704	fl.exe	conhost.exe
PID 704 wrote to memory of 1336	704	fl.exe	conhost.exe
PID 704 wrote to memory of 1336	704	fl.exe	conhost.exe
PID 1336 wrote to memory of 1904	1336	conhost.exe	cmd.exe
PID 1336 wrote to memory of 1904	1336	conhost.exe	cmd.exe
PID 1904 wrote to memory of 2136	1904	cmd.exe	schtasks.exe
PID 1904 wrote to memory of 2136	1904	cmd.exe	schtasks.exe
PID 1336 wrote to memory of 2464	1336	conhost.exe	cmd.exe
PID 1336 wrote to memory of 2464	1336	conhost.exe	cmd.exe
PID 2464 wrote to memory of 2704	2464	cmd.exe	chromy.exe
PID 2464 wrote to memory of 2704	2464	cmd.exe	chromy.exe
PID 2704 wrote to memory of 3164	2704	chromy.exe	conhost.exe
PID 2704 wrote to memory of 3164	2704	chromy.exe	conhost.exe
PID 2704 wrote to memory of 3164	2704	chromy.exe	conhost.exe
PID 3164 wrote to memory of 5008	3164	conhost.exe	sihost32.exe
PID 3164 wrote to memory of 5008	3164	conhost.exe	sihost32.exe
PID 5008 wrote to memory of 956	5008	sihost32.exe	conhost.exe
PID 5008 wrote to memory of 956	5008	sihost32.exe	conhost.exe
PID 5008 wrote to memory of 956	5008	sihost32.exe	conhost.exe

C:\Users\Admin\AppData\Local\Temp\7d5d33a41a2e00a719fd1b8e99dbdfcb.exe
"C:\Users\Admin\AppData\Local\Temp\7d5d33a41a2e00a719fd1b8e99dbdfcb.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3464

C:\Users\Admin\AppData\Local\Temp\fl.exe
"C:\Users\Admin\AppData\Local\Temp\fl.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:704

C:\Windows\System32\conhost.exe
"C:\Windows\System32\conhost.exe" "C:\Users\Admin\AppData\Local\Temp\fl.exe"
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1336

C:\Windows\System32\cmd.exe
"cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "chromy" /tr "C:\Windows\system32\chromy.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:1904

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "chromy" /tr "C:\Windows\system32\chromy.exe"
5⤵
- Creates scheduled task(s)
PID:2136

C:\Windows\System32\cmd.exe
"cmd" cmd /c "C:\Windows\system32\chromy.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:2464

C:\Windows\system32\chromy.exe
C:\Windows\system32\chromy.exe
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2704

C:\Windows\System32\conhost.exe
"C:\Windows\System32\conhost.exe" "C:\Windows\system32\chromy.exe"
6⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3164

C:\Windows\system32\Microsoft\Telemetry\sihost32.exe
"C:\Windows\system32\Microsoft\Telemetry\sihost32.exe"
7⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5008

C:\Windows\System32\conhost.exe
"C:\Windows\System32\conhost.exe" "/sihost32"
8⤵
PID:956

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\conhost.exe.log
MD5
84f2160705ac9a032c002f966498ef74

SHA1
e9f3db2e1ad24a4f7e5c203af03bbc07235e704c

SHA256
7840ca7ea27e8a24ebc4877774be6013ab4f81d1eb83c121e4c3290ceb532d93

SHA512
f41c289770d8817ee612e53880d3f6492d50d08fb5104bf76440c2a93539dd25f6f15179b318e67b9202aabbe802941f80ac2dbadfd6ff1081b0d37c33f9da57

Download Submit
C:\Users\Admin\AppData\Local\Temp\fl.exe
MD5
e95e86d659892b5da6feb76ca02c9ead

SHA1
667d39845315f8c80887d4659bf5391da79b1fa4

SHA256
9b98e63ce78e2bf53d7aa17a5962c78ce191a3ad1029325e614da9a715d1ad93

SHA512
8f9046f256c74300c273937be58ca995961f387f5339614247e9e3367793eb701db3a1b65997f9098e36846347b2216934b8f1070a84b27cc145ab1dd3ea863b

Download Submit
C:\Users\Admin\AppData\Local\Temp\fl.exe
MD5
e95e86d659892b5da6feb76ca02c9ead

SHA1
667d39845315f8c80887d4659bf5391da79b1fa4

SHA256
9b98e63ce78e2bf53d7aa17a5962c78ce191a3ad1029325e614da9a715d1ad93

SHA512
8f9046f256c74300c273937be58ca995961f387f5339614247e9e3367793eb701db3a1b65997f9098e36846347b2216934b8f1070a84b27cc145ab1dd3ea863b

Download Submit
C:\Windows\System32\Microsoft\Telemetry\sihost32.exe
MD5
6115dc43764a4b6d1f34abd22b07603b

SHA1
6c2c14f55abbcc7e1ba36bcd2872985aca2e51fc

SHA256
322139740c555577b8ce6830cd699ab2a4816ebc500e6241b2a000bc912e4f84

SHA512
fca1bf89dd13ba9877b15d4b23c982465d7f7f2f4f86c65a696920be8e61971f4e0792f6444ab6b8c0d4cb9a16d4d398e2356b01f11e8e4196930b644cf02a66

Download Submit
C:\Windows\System32\chromy.exe
MD5
e95e86d659892b5da6feb76ca02c9ead

SHA1
667d39845315f8c80887d4659bf5391da79b1fa4

SHA256
9b98e63ce78e2bf53d7aa17a5962c78ce191a3ad1029325e614da9a715d1ad93

SHA512
8f9046f256c74300c273937be58ca995961f387f5339614247e9e3367793eb701db3a1b65997f9098e36846347b2216934b8f1070a84b27cc145ab1dd3ea863b

Download Submit
C:\Windows\system32\Microsoft\Telemetry\sihost32.exe
MD5
6115dc43764a4b6d1f34abd22b07603b

SHA1
6c2c14f55abbcc7e1ba36bcd2872985aca2e51fc

SHA256
322139740c555577b8ce6830cd699ab2a4816ebc500e6241b2a000bc912e4f84

SHA512
fca1bf89dd13ba9877b15d4b23c982465d7f7f2f4f86c65a696920be8e61971f4e0792f6444ab6b8c0d4cb9a16d4d398e2356b01f11e8e4196930b644cf02a66

Download Submit
C:\Windows\system32\chromy.exe
MD5
e95e86d659892b5da6feb76ca02c9ead

SHA1
667d39845315f8c80887d4659bf5391da79b1fa4

SHA256
9b98e63ce78e2bf53d7aa17a5962c78ce191a3ad1029325e614da9a715d1ad93

SHA512
8f9046f256c74300c273937be58ca995961f387f5339614247e9e3367793eb701db3a1b65997f9098e36846347b2216934b8f1070a84b27cc145ab1dd3ea863b

Download Submit
memory/704-134-0x0000000000000000-mapping.dmp

Download
memory/956-187-0x000002501F4F0000-0x000002501F4F2000-memory.dmp

Filesize
8KB

Download
memory/956-180-0x000002501DC80000-0x000002501DC82000-memory.dmp

Filesize
8KB

Download
memory/956-178-0x000002501DC80000-0x000002501DC82000-memory.dmp

Filesize
8KB

Download
memory/956-179-0x000002501DC80000-0x000002501DC82000-memory.dmp

Filesize
8KB

Download
memory/956-181-0x000002501DC80000-0x000002501DC82000-memory.dmp

Filesize
8KB

Download
memory/956-182-0x000002501DCB0000-0x000002501DCB3000-memory.dmp

Filesize
12KB

Download
memory/956-184-0x000002501DC80000-0x000002501DC82000-memory.dmp

Filesize
8KB

Download
memory/956-185-0x000002501D9F0000-0x000002501D9F6000-memory.dmp

Filesize
24KB

Download
memory/956-188-0x000002501F4F3000-0x000002501F4F5000-memory.dmp

Filesize
8KB

Download
memory/956-186-0x000002501DC80000-0x000002501DC82000-memory.dmp

Filesize
8KB

Download
memory/956-189-0x000002501F4F6000-0x000002501F4F7000-memory.dmp

Filesize
4KB

Download
memory/1336-151-0x0000029EA9676000-0x0000029EA9677000-memory.dmp

Filesize
4KB

Download
memory/1336-137-0x0000029E8F330000-0x0000029E8F332000-memory.dmp

Filesize
8KB

Download
memory/1336-139-0x0000029E8F330000-0x0000029E8F332000-memory.dmp

Filesize
8KB

Download
memory/1336-140-0x0000029E8F330000-0x0000029E8F332000-memory.dmp

Filesize
8KB

Download
memory/1336-141-0x0000029EA9880000-0x0000029EA9A6D000-memory.dmp

Filesize
1.9MB

Download
memory/1336-143-0x0000029E8F330000-0x0000029E8F332000-memory.dmp

Filesize
8KB

Download
memory/1336-144-0x0000029EA9630000-0x0000029EA9631000-memory.dmp

Filesize
4KB

Download
memory/1336-145-0x0000029E8F330000-0x0000029E8F332000-memory.dmp

Filesize
8KB

Download
memory/1336-153-0x0000029E8F330000-0x0000029E8F332000-memory.dmp

Filesize
8KB

Download
memory/1336-138-0x0000029E8F330000-0x0000029E8F332000-memory.dmp

Filesize
8KB

Download
memory/1336-149-0x0000029EA9670000-0x0000029EA9672000-memory.dmp

Filesize
8KB

Download
memory/1336-148-0x0000029E8EFC0000-0x0000029E8F1B1000-memory.dmp

Filesize
1.9MB

Download
memory/1336-150-0x0000029EA9673000-0x0000029EA9675000-memory.dmp

Filesize
8KB

Download
memory/1904-146-0x0000000000000000-mapping.dmp

Download
memory/2136-147-0x0000000000000000-mapping.dmp

Download
memory/2464-152-0x0000000000000000-mapping.dmp

Download
memory/2704-154-0x0000000000000000-mapping.dmp

Download
memory/3164-161-0x000002B92C6C0000-0x000002B92C6C2000-memory.dmp

Filesize
8KB

Download
memory/3164-167-0x000002B946AF0000-0x000002B946AF2000-memory.dmp

Filesize
8KB

Download
memory/3164-177-0x000002B92C6C0000-0x000002B92C6C2000-memory.dmp

Filesize
8KB

Download
memory/3164-158-0x000002B92C6C0000-0x000002B92C6C2000-memory.dmp

Filesize
8KB

Download
memory/3164-159-0x000002B92C6C0000-0x000002B92C6C2000-memory.dmp

Filesize
8KB

Download
memory/3164-160-0x000002B92C6C0000-0x000002B92C6C2000-memory.dmp

Filesize
8KB

Download
memory/3164-170-0x000002B92C6C0000-0x000002B92C6C2000-memory.dmp

Filesize
8KB

Download
memory/3164-164-0x000002B92C6C0000-0x000002B92C6C2000-memory.dmp

Filesize
8KB

Download
memory/3164-166-0x000002B92C6C0000-0x000002B92C6C2000-memory.dmp

Filesize
8KB

Download
memory/3164-168-0x000002B946AF3000-0x000002B946AF5000-memory.dmp

Filesize
8KB

Download
memory/3164-169-0x000002B946AF6000-0x000002B946AF7000-memory.dmp

Filesize
4KB

Download
memory/3464-131-0x0000000007FA0000-0x0000000007FA1000-memory.dmp

Filesize
4KB

Download
memory/3464-126-0x0000000007B60000-0x0000000007B61000-memory.dmp

Filesize
4KB

Download
memory/3464-133-0x0000000008AE0000-0x0000000008AE1000-memory.dmp

Filesize
4KB

Download
memory/3464-130-0x0000000007E30000-0x0000000007E31000-memory.dmp

Filesize
4KB

Download
memory/3464-118-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

Filesize
4KB

Download
memory/3464-132-0x0000000007F40000-0x0000000007F41000-memory.dmp

Filesize
4KB

Download
memory/3464-129-0x0000000008C90000-0x0000000008C91000-memory.dmp

Filesize
4KB

Download
memory/3464-128-0x0000000007A00000-0x0000000007A01000-memory.dmp

Filesize
4KB

Download
memory/3464-127-0x0000000008260000-0x0000000008261000-memory.dmp

Filesize
4KB

Download
memory/3464-117-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3464-125-0x00000000060C0000-0x00000000060C1000-memory.dmp

Filesize
4KB

Download
memory/3464-124-0x00000000061B0000-0x00000000061B1000-memory.dmp

Filesize
4KB

Download
memory/3464-123-0x0000000006170000-0x0000000006171000-memory.dmp

Filesize
4KB

Download
memory/3464-122-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/3464-121-0x0000000006110000-0x0000000006111000-memory.dmp

Filesize
4KB

Download
memory/3464-120-0x00000000066E0000-0x00000000066E1000-memory.dmp

Filesize
4KB

Download
memory/5008-174-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads