orcus | 3a83243f35fa61fb6586f5bf2032597fa8bd6fa32c067f011e7b170c5f7ab529

Analysis

max time kernel
150s
max time network
128s
platform
windows10_x64
resource
win10v20210410
submitted
04-05-2021 01:25

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General

Target

fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

179.43.176.20:5555

Mutex

ae22de65f6d645a28ca19a1a6708c2e6

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%appdata%\retry\retry.exe
reconnect_delay
10000
registry_keyname
retry
taskscheduler_taskname
retry
watchdog_path
AppData\retryWatchdog.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcus Main Payload 3 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\retry\retry.exe	family_orcus
C:\Users\Admin\AppData\Roaming\retry\retry.exe	family_orcus
C:\Users\Admin\AppData\Roaming\retry\retry.exe	family_orcus

Orcurs Rat Executable 3 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\retry\retry.exe	orcus
C:\Users\Admin\AppData\Roaming\retry\retry.exe	orcus
C:\Users\Admin\AppData\Roaming\retry\retry.exe	orcus

Executes dropped EXE 4 IoCs

Processes:

retry.exeretry.exeretryWatchdog.exeretryWatchdog.exe

pid process

2748 retry.exe
3692 retry.exe
4004 retryWatchdog.exe
2444 retryWatchdog.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

retry.exeretryWatchdog.exe

pid	process
2748	retry.exe
2748	retry.exe
2748	retry.exe
2444	retryWatchdog.exe
2444	retryWatchdog.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe
2748	retry.exe
2444	retryWatchdog.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

retry.exeretryWatchdog.exeretryWatchdog.exe

description pid process

Token: SeDebugPrivilege 2748 retry.exe
Token: SeDebugPrivilege 4004 retryWatchdog.exe
Token: SeDebugPrivilege 2444 retryWatchdog.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

retry.exe

pid process

2748 retry.exe

description	pid	process
Token: SeDebugPrivilege	2748	retry.exe
Token: SeDebugPrivilege	4004	retryWatchdog.exe
Token: SeDebugPrivilege	2444	retryWatchdog.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exeretry.exeretryWatchdog.exe

description	pid	process	target process
PID 3944 wrote to memory of 2748	3944	fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe	retry.exe
PID 3944 wrote to memory of 2748	3944	fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe	retry.exe
PID 3944 wrote to memory of 2748	3944	fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe	retry.exe
PID 2748 wrote to memory of 4004	2748	retry.exe	retryWatchdog.exe
PID 2748 wrote to memory of 4004	2748	retry.exe	retryWatchdog.exe
PID 2748 wrote to memory of 4004	2748	retry.exe	retryWatchdog.exe
PID 4004 wrote to memory of 2444	4004	retryWatchdog.exe	retryWatchdog.exe
PID 4004 wrote to memory of 2444	4004	retryWatchdog.exe	retryWatchdog.exe
PID 4004 wrote to memory of 2444	4004	retryWatchdog.exe	retryWatchdog.exe

C:\Users\Admin\AppData\Local\Temp\fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe
"C:\Users\Admin\AppData\Local\Temp\fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3944

C:\Users\Admin\AppData\Roaming\retry\retry.exe
"C:\Users\Admin\AppData\Roaming\retry\retry.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2748

C:\Users\Admin\AppData\Roaming\retryWatchdog.exe
"C:\Users\Admin\AppData\Roaming\retryWatchdog.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Roaming\retry\retry.exe" 2748 /protectFile
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4004

C:\Users\Admin\AppData\Roaming\retryWatchdog.exe
"C:\Users\Admin\AppData\Roaming\retryWatchdog.exe" /watchProcess "C:\Users\Admin\AppData\Roaming\retry\retry.exe" 2748 "/protectFile"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2444

C:\Users\Admin\AppData\Roaming\retry\retry.exe
C:\Users\Admin\AppData\Roaming\retry\retry.exe
1⤵
- Executes dropped EXE
PID:3692

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\retryWatchdog.exe.log
MD5
605f809fab8c19729d39d075f7ffdb53

SHA1
c546f877c9bd53563174a90312a8337fdfc5fdd9

SHA256
6904d540649e76c55f99530b81be17e099184bb4cad415aa9b9b39cc3677f556

SHA512
82cc12c3186ae23884b8d5c104638c8206272c4389ade56b926dfc1d437b03888159b3c790b188b54d277a262e731927e703e680ea642e1417faee27443fd5b3

Download Submit
C:\Users\Admin\AppData\Roaming\retryWatchdog.exe
MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Users\Admin\AppData\Roaming\retryWatchdog.exe
MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Users\Admin\AppData\Roaming\retryWatchdog.exe
MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Users\Admin\AppData\Roaming\retryWatchdog.exe.config
MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
C:\Users\Admin\AppData\Roaming\retry\retry.exe
MD5
743a525c8aa82ecf21086573633cb63b

SHA1
9615f9006e748901c7127c3b51ea10c2711a03c0

SHA256
fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6

SHA512
8401653399fcbe4721371e31a6fae2a25a27d251d0cc5d349c3d700087835a3dbdc41775cf5fb51d307c3a9c8e2b6eabe9d6e4123229317b78428817208e1dab

Download Submit
C:\Users\Admin\AppData\Roaming\retry\retry.exe
MD5
743a525c8aa82ecf21086573633cb63b

SHA1
9615f9006e748901c7127c3b51ea10c2711a03c0

SHA256
fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6

SHA512
8401653399fcbe4721371e31a6fae2a25a27d251d0cc5d349c3d700087835a3dbdc41775cf5fb51d307c3a9c8e2b6eabe9d6e4123229317b78428817208e1dab

Download Submit
C:\Users\Admin\AppData\Roaming\retry\retry.exe
MD5
743a525c8aa82ecf21086573633cb63b

SHA1
9615f9006e748901c7127c3b51ea10c2711a03c0

SHA256
fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6

SHA512
8401653399fcbe4721371e31a6fae2a25a27d251d0cc5d349c3d700087835a3dbdc41775cf5fb51d307c3a9c8e2b6eabe9d6e4123229317b78428817208e1dab

Download Submit
C:\Users\Admin\AppData\Roaming\retry\retry.exe.config
MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/2444-154-0x0000000000000000-mapping.dmp

Download
memory/2748-139-0x0000000006080000-0x000000000608C000-memory.dmp

Filesize
48KB

Download
memory/2748-146-0x0000000001393000-0x0000000001395000-memory.dmp

Filesize
8KB

Download
memory/2748-135-0x0000000005870000-0x00000000058B8000-memory.dmp

Filesize
288KB

Download
memory/2748-166-0x0000000007940000-0x0000000007941000-memory.dmp

Filesize
4KB

Download
memory/2748-137-0x0000000006040000-0x0000000006055000-memory.dmp

Filesize
84KB

Download
memory/2748-138-0x00000000063B0000-0x00000000063B1000-memory.dmp

Filesize
4KB

Download
memory/2748-165-0x00000000077D0000-0x00000000077D1000-memory.dmp

Filesize
4KB

Download
memory/2748-140-0x00000000068A0000-0x00000000068A1000-memory.dmp

Filesize
4KB

Download
memory/2748-164-0x0000000007790000-0x0000000007791000-memory.dmp

Filesize
4KB

Download
memory/2748-163-0x0000000007730000-0x0000000007731000-memory.dmp

Filesize
4KB

Download
memory/2748-162-0x0000000007D20000-0x0000000007D21000-memory.dmp

Filesize
4KB

Download
memory/2748-160-0x00000000075A0000-0x00000000075A1000-memory.dmp

Filesize
4KB

Download
memory/2748-144-0x0000000001390000-0x0000000001391000-memory.dmp

Filesize
4KB

Download
memory/2748-123-0x0000000000000000-mapping.dmp

Download
memory/3692-161-0x0000000004EF0000-0x0000000004EF1000-memory.dmp

Filesize
4KB

Download
memory/3944-118-0x0000000005C00000-0x0000000005C01000-memory.dmp

Filesize
4KB

Download
memory/3944-117-0x00000000056A0000-0x00000000056FA000-memory.dmp

Filesize
360KB

Download
memory/3944-116-0x0000000001850000-0x000000000185C000-memory.dmp

Filesize
48KB

Download
memory/3944-119-0x00000000057A0000-0x00000000057A1000-memory.dmp

Filesize
4KB

Download
memory/3944-120-0x0000000005B90000-0x0000000005BA0000-memory.dmp

Filesize
64KB

Download
memory/3944-121-0x0000000005BA0000-0x0000000005BA2000-memory.dmp

Filesize
8KB

Download
memory/3944-114-0x0000000000D40000-0x0000000000D41000-memory.dmp

Filesize
4KB

Download
memory/3944-122-0x0000000001860000-0x0000000001861000-memory.dmp

Filesize
4KB

Download
memory/4004-147-0x0000000000F00000-0x0000000000F01000-memory.dmp

Filesize
4KB

Download
memory/4004-141-0x0000000000000000-mapping.dmp

Download

pid	process
2748	retry.exe
3692	retry.exe
4004	retryWatchdog.exe
2444	retryWatchdog.exe