urelas | 938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26b

General

Target

938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exe
Size

59KB
MD5

1aaeba15a7030b2bc9de05e6f901d290
SHA1

2eed0b456247f0e5465dfc754614ea1c6fa1e6f4
SHA256

938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26b
SHA512

99d1f9a7736a1e11ff500bf3d89615ab1b9e205fc657073a4b67bf837f57d4e1e7a0fee19f5b62eaf5faf599125681b3d48f17579ce0be06e5e1ef842f1dcc7e
SSDEEP

1536:6W82C0Db1edMckBI1kmJAhTPY6pnouy8t:6n25DbaMySmJAhbvoutt

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

C2

218.54.47.76

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

Processes:

938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exe

Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

2268 biudfw.exe

pid	process
2268	biudfw.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2292-0-0x00000000000D0000-0x00000000000FC000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\biudfw.exe	upx
behavioral2/memory/2268-10-0x0000000000460000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/2292-14-0x00000000000D0000-0x00000000000FC000-memory.dmp	upx
behavioral2/memory/2268-17-0x0000000000460000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/2268-19-0x0000000000460000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/2268-26-0x0000000000460000-0x000000000048C000-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

Processes:

cmd.exe938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exebiudfw.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exe

description	pid	process	target process
PID 2292 wrote to memory of 2268	2292	938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exe	biudfw.exe
PID 2292 wrote to memory of 2268	2292	938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exe	biudfw.exe
PID 2292 wrote to memory of 2268	2292	938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exe	biudfw.exe
PID 2292 wrote to memory of 2836	2292	938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exe	cmd.exe
PID 2292 wrote to memory of 2836	2292	938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exe	cmd.exe
PID 2292 wrote to memory of 2836	2292	938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exe
"C:\Users\Admin\AppData\Local\Temp\938a9946bd7de4609cf4fce1e7a818b55c5f29dd06c92d3519e6b8841582d26bN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292
- 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:2268
- 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:2836

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
59KB

MD5
85bd0ea571cb8af9fd2f2c84388a142d

SHA1
f76c406232e4d7a9b910df9e73efac087697bf6d

SHA256
2537c0923a1487209f597f6bd7764e6ab43d7fb7ab139d99c58051b8fd909478

SHA512
e96372ef07d4b1a656b894a6b3681396eac73a8ef6e2545a20a58871e5b503d9966801643b0b7d451898e98dbd686daacdd57a0700ee8b8aeafe5d890b855ef3

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

Filesize
512B

MD5
b4a86880004da8726288d7ec954885a8

SHA1
1bab1cfbdc2c540246210bc7852f8fe7e8357b31

SHA256
c85016a9115aeb492bf116ab05791a9c3e6e30c39274767bd0476bd56a37db46

SHA512
22758f6c6de591c99f8f9857c1b03e55c242f0a4987d376b08c30bc608027d1574a228a8230099ddac2a3214663396b016e85d085204155a5ec26f87a28496b4

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

Filesize
340B

MD5
360852114374a1aaf9b1703133c1c96a

SHA1
54da7f44e762fdd0ff73fc321ae39200ece18310

SHA256
5ca2fd22091daacdf4b31d62addae98c4087c9a7bc03aa8db92b023afaf3b491

SHA512
e78456e8aedcab934500af1d905f08e67af44ffce45bd2d042db9165ee14d30eee250c46dbe9964897c03a0a24b6e2e75324f9ed1361a3bc79658266fbf31e79

Download Submit
memory/2268-10-0x0000000000460000-0x000000000048C000-memory.dmp

Filesize
176KB

Download
memory/2268-17-0x0000000000460000-0x000000000048C000-memory.dmp

Filesize
176KB

Download
memory/2268-19-0x0000000000460000-0x000000000048C000-memory.dmp

Filesize
176KB

Download
memory/2268-26-0x0000000000460000-0x000000000048C000-memory.dmp

Filesize
176KB

Download
memory/2292-0-0x00000000000D0000-0x00000000000FC000-memory.dmp

Filesize
176KB

Download
memory/2292-14-0x00000000000D0000-0x00000000000FC000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads