urelas | 80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59

General

Target

80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.exe
Size

59KB
MD5

f3e44fbc2ae132390c51f91651e83c68
SHA1

7b38f8b480f0af72d8a6675f7d4c262fcc75af73
SHA256

80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59
SHA512

46e59518eab7d710daa1d68c91c956146c613961698c349c0d7503f9b3b201f1bbd26bf1b68747c45e44c215225b1adbda33fae1f27188a582e5213d41e7caaf
SSDEEP

1536:6W82C0Db1edMckBI1kmJAhTPY6pnouy8Z:6n25DbaMySmJAhbvoutZ

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:

80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.exe

Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid	Process
3868	biudfw.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4952-0-0x0000000000630000-0x000000000065C000-memory.dmp	upx
behavioral2/files/0x0007000000023cab-6.dat	upx
behavioral2/memory/3868-11-0x0000000000190000-0x00000000001BC000-memory.dmp	upx
behavioral2/memory/4952-15-0x0000000000630000-0x000000000065C000-memory.dmp	upx
behavioral2/memory/3868-18-0x0000000000190000-0x00000000001BC000-memory.dmp	upx
behavioral2/memory/3868-20-0x0000000000190000-0x00000000001BC000-memory.dmp	upx
behavioral2/memory/3868-27-0x0000000000190000-0x00000000001BC000-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:

80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.exebiudfw.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.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:

80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.exe

description	pid	Process	procid_target
PID 4952 wrote to memory of 3868	4952	80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.exe	83
PID 4952 wrote to memory of 3868	4952	80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.exe	83
PID 4952 wrote to memory of 3868	4952	80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.exe	83
PID 4952 wrote to memory of 856	4952	80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.exe	84
PID 4952 wrote to memory of 856	4952	80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.exe	84
PID 4952 wrote to memory of 856	4952	80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.exe	84

C:\Users\Admin\AppData\Local\Temp\80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.exe
"C:\Users\Admin\AppData\Local\Temp\80df5d58daf4b41e6bf201675d81083a9d021f4241bbc22686f31ce572a64a59.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4952
- 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:3868
- 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:856

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
bff49bab51d0f9a0845c79a31885c12a

SHA1
e250baea940b9dfb00485524465a4667b57a5266

SHA256
fe65d719847af801b334df1bb25563f7c7db033f20970d2b4c5fe77cad8013e7

SHA512
cf0c69b87e1584f67c2a30e755c509a4a4e9b69884e90af0c4e2a41b2b16c504f6eef38b3e5185941472b01ba4f14bcf5e29159c6acf45f1e51ee17d13238fd6

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
338B

MD5
a6d2d5984a914c1643eeab3ed177d70f

SHA1
a4cc30173a17bfb399e540d10f6c841e40938a08

SHA256
f38aa766a3286088a1240d58f4bd019c06631c2670e60321f20fc5115111ded9

SHA512
888f72044fe8a9f34e2f8311e12255f941fb0b1cb0deda74ed982edc1d4f98292032ba42bdf5bcc010f091d0ea05031f6bef436461293f1768e6f353e0d242cf

Download Submit
memory/3868-11-0x0000000000190000-0x00000000001BC000-memory.dmp

Filesize
176KB

Download
memory/3868-18-0x0000000000190000-0x00000000001BC000-memory.dmp

Filesize
176KB

Download
memory/3868-20-0x0000000000190000-0x00000000001BC000-memory.dmp

Filesize
176KB

Download
memory/3868-27-0x0000000000190000-0x00000000001BC000-memory.dmp

Filesize
176KB

Download
memory/4952-0-0x0000000000630000-0x000000000065C000-memory.dmp

Filesize
176KB

Download
memory/4952-15-0x0000000000630000-0x000000000065C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads