urelas | a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280

Analysis

max time kernel
149s
max time network
92s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23/11/2024, 17:57

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General

Target

a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280.exe
Size

557KB
MD5

7fe3c05a108db999797fe06051691586
SHA1

2b44f9d07a02e336dc6c9742b064a21340cedc88
SHA256

a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280
SHA512

e95fb30851baba7b2076ddc18fcca1d63dbbb9c602082bab3c010073cdfeebe10a71c88c55601cbb84f175ac3a2f8d9ddbe7141c1b6ba208b8606ac33a24c471
SSDEEP

12288:zccNvdRExZGe+Q1nSoS++43x+l7QLiaEyT:znPfQp9L3olqFT

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

1.234.83.146

133.242.129.155

218.54.31.226

218.54.31.165

Signatures

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

Deletes itself 1 IoCs

pid	Process
2504	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2452	hevud.exe
1840	xosut.exe

Loads dropped DLL 2 IoCs

pid	Process
376	a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280.exe
2452	hevud.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/376-0-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/files/0x0009000000016e09-17.dat	upx
behavioral1/memory/2452-18-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/memory/376-16-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/memory/2452-21-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/memory/2452-27-0x00000000031B0000-0x0000000003244000-memory.dmp	upx
behavioral1/memory/2452-29-0x0000000000400000-0x00000000004B6000-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 4 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	a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hevud.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xosut.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

pid	Process
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe
1840	xosut.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 376 wrote to memory of 2452	376	a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280.exe	30
PID 376 wrote to memory of 2452	376	a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280.exe	30
PID 376 wrote to memory of 2452	376	a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280.exe	30
PID 376 wrote to memory of 2452	376	a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280.exe	30
PID 376 wrote to memory of 2504	376	a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280.exe	31
PID 376 wrote to memory of 2504	376	a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280.exe	31
PID 376 wrote to memory of 2504	376	a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280.exe	31
PID 376 wrote to memory of 2504	376	a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280.exe	31
PID 2452 wrote to memory of 1840	2452	hevud.exe	33
PID 2452 wrote to memory of 1840	2452	hevud.exe	33
PID 2452 wrote to memory of 1840	2452	hevud.exe	33
PID 2452 wrote to memory of 1840	2452	hevud.exe	33

C:\Users\Admin\AppData\Local\Temp\a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280.exe
"C:\Users\Admin\AppData\Local\Temp\a5ca924b9f7adb89ca3ee2a87b65ef17f94ee3c47071157f3c421c87556a8280.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:376
- C:\Users\Admin\AppData\Local\Temp\hevud.exe
  "C:\Users\Admin\AppData\Local\Temp\hevud.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2452
- - C:\Users\Admin\AppData\Local\Temp\xosut.exe
    "C:\Users\Admin\AppData\Local\Temp\xosut.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1840
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\_uinsey.bat

Filesize
340B

MD5
b3ce5c1b79472fa7760a9cc0061075e5

SHA1
821a121ce2e23654efa7771d65fbe33bbf096eea

SHA256
cd5eb434e04e6db59d9d7be262689599ae0217ee48a45483f347106eb6a9f005

SHA512
184dc97c249581b992a5d81d819e8aeacd93b30f355afb2b32bbd2e4cbece549ecfab409261ecd2575659f2fa85340e7abf940e275a7c1b16bb2b8343345d009

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

Filesize
512B

MD5
1a6802a7835dc3b707792faf8d4e915d

SHA1
7e529b80129d3f119de76c4210d8aaf8d613e10b

SHA256
d43b67a6ce18348fd11f353730185f0eb8618f705bfbf0aca7c6d5932c2a8bd6

SHA512
c7a757a2fa52434851c359fb256a7fb495ecf1f6960def239773644ea3384e581d9ae4ebd92b2fc89155a0724decf362ef186b157ac94ab924c1b4b03053b88f

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

Filesize
558KB

MD5
a84d5e5b46ccb2c48bc31dc096efd494

SHA1
c2ad85613a88a7d9ffd616cec6a34dea349df5da

SHA256
d0ae3a9ca6fec5872fd3ea83a3439def8f9af3e92d1ee48fb5b908d106af66df

SHA512
4232599c3c5e678660882440adf94adc9d48e5547c84d3da7bb4521764cf7aecf0051040c803161cf55f3b51b06c6f1eb1c442516d03f6214ac0319150523b30

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

Filesize
194KB

MD5
3014780d4ced05b7e849fa2446f6274d

SHA1
fcedca52bc73c205a0a922b8857cc0318abdf86d

SHA256
d57b2d30fc998cb30e628818819d71a6abbb0c25f2d76ca47b35e962860a4197

SHA512
6c69b4772c7c86bc2a0358ce2a4f016a4b4af1d26cc7a666bf645743b98fec7af25ca1dc18c1fb372a256ceb9237edbe73bb0321ce9b430142de92b7b9ad803e

Download Submit
memory/376-15-0x0000000002660000-0x0000000002716000-memory.dmp

Filesize
728KB

Download
memory/376-0-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/376-16-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/1840-32-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1840-30-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1840-33-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1840-34-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1840-35-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1840-36-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/2452-21-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2452-27-0x00000000031B0000-0x0000000003244000-memory.dmp

Filesize
592KB

Download
memory/2452-29-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2452-18-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

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