urelas | 41d412c9617f1e7104f91535c845ebc4a287e1218e72b1ada06ccd879cae6d33

Analysis

max time kernel
149s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 15:29

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General

Target

8f815b8fc4639cd95b1ea2a16a543706.exe
Size

579KB
MD5

8f815b8fc4639cd95b1ea2a16a543706
SHA1

bc8a929fe88dbc7617772348acc61fc7e2e545c0
SHA256

41d412c9617f1e7104f91535c845ebc4a287e1218e72b1ada06ccd879cae6d33
SHA512

d088a124349e8406e40c782d4f0b99ddf10edf47a4242be8cecfc9394b1ed9ca8c42065dddff6523802dcf21d33e9a0440721289249266d8c8260e2474deb189
SSDEEP

6144:eajY1oC+/U8Vjlx4kk9HKda4L383j8hpdoSQbQFsrF1W/h84IrV7mMpH8zQW4jQj:uOlx4kk9HKda4Y38oSiQi4kVdcQzje

Score

10^/10

urelas 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

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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	8f815b8fc4639cd95b1ea2a16a543706.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	ojtym.exe

Executes dropped EXE 2 IoCs

pid	Process
3484	ojtym.exe
4656	rimal.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4492-0-0x0000000000400000-0x00000000004C0000-memory.dmp	upx
behavioral2/files/0x0006000000023213-6.dat	upx
behavioral2/memory/3484-12-0x0000000000400000-0x00000000004C0000-memory.dmp	upx
behavioral2/memory/4492-14-0x0000000000400000-0x00000000004C0000-memory.dmp	upx
behavioral2/memory/3484-17-0x0000000000400000-0x00000000004C0000-memory.dmp	upx
behavioral2/memory/3484-27-0x0000000000400000-0x00000000004C0000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe
4656	rimal.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4656	rimal.exe
Token: SeIncBasePriorityPrivilege	4656	rimal.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 3484	4492	8f815b8fc4639cd95b1ea2a16a543706.exe	85
PID 4492 wrote to memory of 3484	4492	8f815b8fc4639cd95b1ea2a16a543706.exe	85
PID 4492 wrote to memory of 3484	4492	8f815b8fc4639cd95b1ea2a16a543706.exe	85
PID 4492 wrote to memory of 3236	4492	8f815b8fc4639cd95b1ea2a16a543706.exe	86
PID 4492 wrote to memory of 3236	4492	8f815b8fc4639cd95b1ea2a16a543706.exe	86
PID 4492 wrote to memory of 3236	4492	8f815b8fc4639cd95b1ea2a16a543706.exe	86
PID 3484 wrote to memory of 4656	3484	ojtym.exe	96
PID 3484 wrote to memory of 4656	3484	ojtym.exe	96
PID 3484 wrote to memory of 4656	3484	ojtym.exe	96

C:\Users\Admin\AppData\Local\Temp\8f815b8fc4639cd95b1ea2a16a543706.exe
"C:\Users\Admin\AppData\Local\Temp\8f815b8fc4639cd95b1ea2a16a543706.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4492
- C:\Users\Admin\AppData\Local\Temp\ojtym.exe
  "C:\Users\Admin\AppData\Local\Temp\ojtym.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3484
- - C:\Users\Admin\AppData\Local\Temp\rimal.exe
    "C:\Users\Admin\AppData\Local\Temp\rimal.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4656
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
  2⤵
  PID:3236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
276B

MD5
08e8024312e3255778061dbc02cb4925

SHA1
c04127942e27de29578154fd5d7e692ee7a3698f

SHA256
f6f78dfba74955d90310956fb9ebfa39a1bdb7af1520f6e6108524c723dc8e3b

SHA512
abe27648a9d44f9321b7e125e501e2638929a74783dc4eb31d3ae3b719f0254f51ed7e14ebcd7fb274c226fd00d54ec94114acc70fa946b71ad63b5c3e73dc6a

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

Filesize
512B

MD5
41bf3f9f7705f88a30cfaf581457251a

SHA1
ddf949f978e431057c1a02d463da0491e692f123

SHA256
8d699de8355f2b05c933c59697ce353fa46076db06f89f86b15b7c2f5b3bbc04

SHA512
385ec4ce5df3e39893f774e027a2ec0df691021694bee9aadf258d84c9ac8d81adc07ff61facb8c37ea37ac55217d42fa74188b992785b6a0c0e89e5568c87bc

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

Filesize
579KB

MD5
4e9b1d15efe6265ac9b64306106991cc

SHA1
af5f49979053a63cb59b576c6f367d181c5319dc

SHA256
60388cea35689c780fa4f7349a522c4a8f970f4a11f9ca1bbe8a93012c46babd

SHA512
8ef6ff1b851f2237056e11f7876dc67ac3438b52de788e2469ee6100cd50340d4644a690d384a00a199599d54000ae20fc2e21feaf5cd908b4dd44145969188e

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

Filesize
201KB

MD5
1ca548af5892a947bebb718c02a068d8

SHA1
8a9ceeddbe01a754a4a55da5c1240e8e9e6e8817

SHA256
36d6300458547b05170b9324b5cf2be0b69d9c00933f33405cc3adebda71c4dc

SHA512
b6f0fa072eafbf2a2cea892effe34d966b6db1ad9a78ec8c136992dc18dbd64831f60e946c0f1f97b9793f15658d0a15942989d7f8658996bf73ee92fd73eeb1

Download Submit
memory/3484-27-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/3484-12-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/3484-17-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4492-14-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4492-0-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4656-28-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/4656-26-0x0000000000400000-0x0000000000497000-memory.dmp

Filesize
604KB

Download
memory/4656-30-0x0000000000400000-0x0000000000497000-memory.dmp

Filesize
604KB

Download
memory/4656-31-0x0000000000400000-0x0000000000497000-memory.dmp

Filesize
604KB

Download
memory/4656-32-0x0000000000400000-0x0000000000497000-memory.dmp

Filesize
604KB

Download
memory/4656-33-0x0000000000400000-0x0000000000497000-memory.dmp

Filesize
604KB

Download
memory/4656-34-0x0000000000400000-0x0000000000497000-memory.dmp

Filesize
604KB

Download