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

Checks computer location settings 2 TTPs 1 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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe

Executes dropped EXE 1 IoCs

pid	Process
5088	huter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1648-0-0x0000000000590000-0x00000000005C1000-memory.dmp	upx
behavioral2/files/0x0007000000023cb4-6.dat	upx
behavioral2/memory/5088-13-0x0000000000460000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/1648-17-0x0000000000590000-0x00000000005C1000-memory.dmp	upx
behavioral2/memory/5088-20-0x0000000000460000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/5088-22-0x0000000000460000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/5088-24-0x0000000000460000-0x0000000000491000-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	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	huter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 5088	1648	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	83
PID 1648 wrote to memory of 5088	1648	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	83
PID 1648 wrote to memory of 5088	1648	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	83
PID 1648 wrote to memory of 3056	1648	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	84
PID 1648 wrote to memory of 3056	1648	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	84
PID 1648 wrote to memory of 3056	1648	b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe	84

C:\Users\Admin\AppData\Local\Temp\b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe
"C:\Users\Admin\AppData\Local\Temp\b8cd6077abb0ae94e1233912a522ec5dade181d5875fe43255abdd2e1d6ca051N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1648
- 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:5088
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\huter.exe

Filesize
76KB

MD5
c08da2f78288cbfe4c6974f2f8077c9d

SHA1
0f5dbbb73c50f0bab29bef76566fae730a1f69f3

SHA256
88e5f2ec804d677116c5560380ca1b4abd6d692969e432ff4914718b8fe1e7b8

SHA512
04223582d3c19c349c56c01be8ae0603d848a034451cfc0ccd9439e0e2f86b0261d088ceb5ed177c5e2bd400d940db9ec06e07f470136a794fdacf81506bcc0c

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

Filesize
340B

MD5
2bec27fb1540323ec98734f4df053068

SHA1
6f5b50bf320687b7f031956a943485dc7fe64232

SHA256
bc972c42f3a620ce7058081b34394f78c325a762fa8fe5a5ff8b2402a1366ed4

SHA512
dfe4b2847f738dd3762d4982e9c664d5742f2449362acc585e5f63531400914ad1a450b4c438dcedf92bc7ea7c958f5bad83bb9353fc2b78c85a85c360767e81

Download Submit
memory/1648-0-0x0000000000590000-0x00000000005C1000-memory.dmp

Filesize
196KB

Download
memory/1648-17-0x0000000000590000-0x00000000005C1000-memory.dmp

Filesize
196KB

Download
memory/5088-13-0x0000000000460000-0x0000000000491000-memory.dmp

Filesize
196KB

Download
memory/5088-20-0x0000000000460000-0x0000000000491000-memory.dmp

Filesize
196KB

Download
memory/5088-22-0x0000000000460000-0x0000000000491000-memory.dmp

Filesize
196KB

Download
memory/5088-24-0x0000000000460000-0x0000000000491000-memory.dmp

Filesize
196KB

Download

Analysis

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