urelas | 08fc67b7fc15db4dee5c84c407d708ef260832589c4aca1717375e9508137fad

Analysis

max time kernel
133s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 03:37

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General

Target
a96e285159277b877e8547172c6b506e_JaffaCakes118.exe
Size 59KB
Sample240819-d6l6hawbjp
SHA256 08fc67b7fc15db4dee5c84c407d708ef260832589c4aca1717375e9508137fad
MD5 a96e285159277b877e8547172c6b506e
SHA1 3d6a12059e5ae38ee25ac7ceb6054d09cf23cb8c
SHA512 f05c75e7487ef1d22577d6e03718f3a62639a09f1f457fe72ed4f1f920c1d2e78a71070e004820d331e4b027e6e25037a2454523cbe397006b1a213d19925bc3
SSDEEP 768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPt:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdqD
MD5 SHA1 SHA512 SSDEEP

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	a96e285159277b877e8547172c6b506e_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4352	biudfw.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a96e285159277b877e8547172c6b506e_JaffaCakes118.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

description	pid	Process	procid_target
PID 3164 wrote to memory of 4352	3164	a96e285159277b877e8547172c6b506e_JaffaCakes118.exe	90
PID 3164 wrote to memory of 4352	3164	a96e285159277b877e8547172c6b506e_JaffaCakes118.exe	90
PID 3164 wrote to memory of 4352	3164	a96e285159277b877e8547172c6b506e_JaffaCakes118.exe	90
PID 3164 wrote to memory of 832	3164	a96e285159277b877e8547172c6b506e_JaffaCakes118.exe	91
PID 3164 wrote to memory of 832	3164	a96e285159277b877e8547172c6b506e_JaffaCakes118.exe	91
PID 3164 wrote to memory of 832	3164	a96e285159277b877e8547172c6b506e_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\a96e285159277b877e8547172c6b506e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a96e285159277b877e8547172c6b506e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3164
- 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:4352
- 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:832

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

biudfw.exe

Path C:\Users\Admin\AppData\Local\Temp\biudfw.exe
Size 59KB
SHA256 faa77b01d91249e939d87091778c126b67aca8629a5d9f455d0d512773446d24
MD5 52a86388710d4ff30de80363ff7042cc
SHA1 4b12aabdcccfe2c75a16701aee9fba8d98fb2b0b
SHA512 1199bde219a4447a3d0f701cf8e17c4438380f5cd012f29dd0d6a11c287461b6cf67058be33c6771ce5641342e2a74bc143232d569be0f4356757e594fb0a6c9
SSDEEP 768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPd:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdqD
MD5 SHA1 SHA512 SSDEEP

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golfinfo.ini

Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
Size 512B
SHA256 a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
MD5 55e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1 449221fd8d7196a54de2bd583625d8d1b64db56a
SHA512 4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
MD5 SHA1 SHA512

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sanfdr.bat

Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
Size 302B
SHA256 dcb9a39148a37a6bb0c16d6275dd9079744186fd0935711b2a676c9aaf1a506a
MD5 983ca355f24d7a2173ed2a9489aa3976
SHA1 4e910664e6ab9a47044df77ea53ab6098a57170f
SHA512 59ea8c62a00acf9598f4b0a581722295fff2b8146df96ffb82905df274068f899e1834734b9860a2388742d2fa746ea2dcef71a75e3d8b2973e1eebf5bd35af5
MD5 SHA1 SHA512

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memory/3164-0-0x0000000000D90000-0x0000000000DC5000-memory.dmp

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memory/3164-15-0x0000000000D90000-0x0000000000DC5000-memory.dmp

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memory/4352-11-0x0000000000D30000-0x0000000000D65000-memory.dmp

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memory/4352-18-0x0000000000D30000-0x0000000000D65000-memory.dmp

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memory/4352-20-0x0000000000D30000-0x0000000000D65000-memory.dmp

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memory/4352-26-0x0000000000D30000-0x0000000000D65000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads