urelas | ab523b44bb896976cbd004767f37aaf5475fdb212156c61276dce81c8b9a77d4

Analysis

max time kernel
102s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27-07-2024 08:12

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General

Target

acf28e718581966b6f116d765656eb30N.exe
Size

56KB
MD5

acf28e718581966b6f116d765656eb30
SHA1

ff3aadbe4a294cafb424e7a06df54dab563d2639
SHA256

ab523b44bb896976cbd004767f37aaf5475fdb212156c61276dce81c8b9a77d4
SHA512

2b034f9f2a218fdcb4bd2e88bc5a2f21dac4793bab2076cef730e41a1c4be934f4f4676032f3107e86d914483757be73a258244a7ce67f931feb623186d9ad74
SSDEEP

1536:MQPzemdaNqAPG17k74qlmbbVgYyvxcd5jnGWqN7kS8Ha:MOemdTd1o74qlmbbJ+x+IkJa

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

218.54.47.76

218.54.47.77

218.54.47.74

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan 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

Processes:

acf28e718581966b6f116d765656eb30N.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	acf28e718581966b6f116d765656eb30N.exe

Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

4288 biudfw.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4288	biudfw.exe

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

Processes:

acf28e718581966b6f116d765656eb30N.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	acf28e718581966b6f116d765656eb30N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

acf28e718581966b6f116d765656eb30N.exe

description	pid	process	target process
PID 4524 wrote to memory of 4288	4524	acf28e718581966b6f116d765656eb30N.exe	biudfw.exe
PID 4524 wrote to memory of 4288	4524	acf28e718581966b6f116d765656eb30N.exe	biudfw.exe
PID 4524 wrote to memory of 4288	4524	acf28e718581966b6f116d765656eb30N.exe	biudfw.exe
PID 4524 wrote to memory of 384	4524	acf28e718581966b6f116d765656eb30N.exe	cmd.exe
PID 4524 wrote to memory of 384	4524	acf28e718581966b6f116d765656eb30N.exe	cmd.exe
PID 4524 wrote to memory of 384	4524	acf28e718581966b6f116d765656eb30N.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\acf28e718581966b6f116d765656eb30N.exe
"C:\Users\Admin\AppData\Local\Temp\acf28e718581966b6f116d765656eb30N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4524

C:\Users\Admin\AppData\Local\Temp\biudfw.exe
"C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4288

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:384

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

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\biudfw.exe

Filesize
56KB

MD5
967892c6820ff4913799c7bf9d0b793c

SHA1
cf1466f0bc408ef24455a36d161864b5a3526b24

SHA256
f6ada49e5a5ee5d0cd09a96ec7b53e831b824df734cd0851d5f731c73b1c4d5a

SHA512
ac88854992393503216c7889330ab2a376a29b5727647bf90b31453c5e35d7a5b9897fc0d795e550d7292d1ddf012038f53e609101748b6e30ef5435cf43ffe5

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

Filesize
512B

MD5
7cdc8777d33db85bc19aefb64879a7f7

SHA1
f2d494d4dfe93a05eb58513935196e8578648adf

SHA256
9af382db716e39144dda99d3d9afbd5df9b65e6a36af229e715c00539bce6336

SHA512
34b075db80bf3704f76f9dd28eedffe88c9b3b5f730c79c27b9908fe2865847ae925487de2dcc1a8566bd3836d3b770ca3831d0b110312376684a92e42c6b48f

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

Filesize
276B

MD5
1c644509f50a95e09933bf8ed8b1dedb

SHA1
62c73d2fa1960469d7fb4680c2bc735f1d56ce71

SHA256
d94ff3c021f239a0e3726aca73472a472afdb1cf6d004347cb2d9f53914b8525

SHA512
bcddf3479074caf029c6f46369fabbedac2b5c56d1728980c4a77c2db113cfd615cc2a2ff4a183b58534caa0d7fe522279b24b6f840d04c1a3236923cac64ddf

Download Submit
memory/4288-13-0x0000000000AC0000-0x0000000000AE6000-memory.dmp

Filesize
152KB

Download
memory/4288-18-0x0000000000AC0000-0x0000000000AE6000-memory.dmp

Filesize
152KB

Download
memory/4288-20-0x0000000000AC0000-0x0000000000AE6000-memory.dmp

Filesize
152KB

Download
memory/4288-27-0x0000000000AC0000-0x0000000000AE6000-memory.dmp

Filesize
152KB

Download
memory/4524-0-0x0000000000990000-0x00000000009B6000-memory.dmp

Filesize
152KB

Download
memory/4524-15-0x0000000000990000-0x00000000009B6000-memory.dmp

Filesize
152KB

Download