urelas | b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051

General

Target

b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe
Size

76KB
MD5

3452d1e1a15432ce9014835f7bbed8b0
SHA1

f9f12d3b67d48e8e2e09bb98c7863a7fc9dcc7e6
SHA256

b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051
SHA512

aa93194982d55883788122d632f29cb9d5dd6ee54a346e6fcbdb6eda0e4173e7fd2a8a859db529cbce8879208fef6aa9681572f7466e8ce318739e0529d0b3ca
SSDEEP

1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDEs:9RkjWjK9ABpGzlaRQLL

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

C2

218.54.47.77

218.54.47.74

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas
Urelas family
urelas

Deletes itself 1 IoCs

pid	Process
2100	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2052	huter.exe

Loads dropped DLL 1 IoCs

pid	Process
2408	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2408-0-0x0000000001090000-0x00000000010C1000-memory.dmp	upx
behavioral1/files/0x00090000000164db-4.dat	upx
behavioral1/memory/2052-11-0x0000000000B30000-0x0000000000B61000-memory.dmp	upx
behavioral1/memory/2408-19-0x0000000001090000-0x00000000010C1000-memory.dmp	upx
behavioral1/memory/2052-22-0x0000000000B30000-0x0000000000B61000-memory.dmp	upx
behavioral1/memory/2052-24-0x0000000000B30000-0x0000000000B61000-memory.dmp	upx
behavioral1/memory/2052-27-0x0000000000B30000-0x0000000000B61000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	huter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2052	2408	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	28
PID 2408 wrote to memory of 2052	2408	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	28
PID 2408 wrote to memory of 2052	2408	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	28
PID 2408 wrote to memory of 2052	2408	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	28
PID 2408 wrote to memory of 2052	2408	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	28
PID 2408 wrote to memory of 2052	2408	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	28
PID 2408 wrote to memory of 2052	2408	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	28
PID 2408 wrote to memory of 2100	2408	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	29
PID 2408 wrote to memory of 2100	2408	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	29
PID 2408 wrote to memory of 2100	2408	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	29
PID 2408 wrote to memory of 2100	2408	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	29

C:\Users\Admin\AppData\Local\Temp\b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe
"C:\Users\Admin\AppData\Local\Temp\b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Users\Admin\AppData\Local\Temp\huter.exe
  "C:\Users\Admin\AppData\Local\Temp\huter.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2052
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

Filesize
512B

MD5
55d2fdd1432483e3ba86ebeccfe130b6

SHA1
7280b14d708800fd15303b2caa8628a0fbd7aa08

SHA256
5cfd1668ec0e5f3b5f8d04e54091d6f173bede6e6f9bb418819fd550095139fb

SHA512
36fd81128552356672b52936699c5e6362268c8131857e778e02a6862600c4feb20d13063d5f838e0887cb5083c648d39fe07faffba18c26387760752f9dd1f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat

Filesize
340B

MD5
2bec27fb1540323ec98734f4df053068

SHA1
6f5b50bf320687b7f031956a943485dc7fe64232

SHA256
bc972c42f3a620ce7058081b34394f78c325a762fa8fe5a5ff8b2402a1366ed4

SHA512
dfe4b2847f738dd3762d4982e9c664d5742f2449362acc585e5f63531400914ad1a450b4c438dcedf92bc7ea7c958f5bad83bb9353fc2b78c85a85c360767e81

Download Submit
\Users\Admin\AppData\Local\Temp\huter.exe

Filesize
76KB

MD5
b249fe204dc789bbfdd603672cdedd35

SHA1
53c13bdbbbcbfba274f68dd18d6388e53fbcb7ec

SHA256
f8d985c61e9d44694dca1cf5c66aa84a981862f5aa7f43725af24c721fd51bbf

SHA512
84cf0ab28fc16cc5bf0be84564a6cfbc2e1c918d8a1bcea3530e4c16be20dc6032adc7ff800aeec7be15a102bd4eb819e4a4c4a5ddad9ba2d54d637daca9e3df

Download Submit
memory/2052-11-0x0000000000B30000-0x0000000000B61000-memory.dmp

Filesize
196KB

Download
memory/2052-22-0x0000000000B30000-0x0000000000B61000-memory.dmp

Filesize
196KB

Download
memory/2052-24-0x0000000000B30000-0x0000000000B61000-memory.dmp

Filesize
196KB

Download
memory/2052-27-0x0000000000B30000-0x0000000000B61000-memory.dmp

Filesize
196KB

Download
memory/2408-0-0x0000000001090000-0x00000000010C1000-memory.dmp

Filesize
196KB

Download
memory/2408-6-0x0000000000850000-0x0000000000881000-memory.dmp

Filesize
196KB

Download
memory/2408-19-0x0000000001090000-0x00000000010C1000-memory.dmp

Filesize
196KB

Download

Analysis

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