urelas | 549fea1b9113b1e41724bda53f2c04cbc49615cbbb4ba2f01b7f66f2f4755342

Analysis

max time kernel
149s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2024 01:34

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General

Target

88fc65aabc5e0d85ac7b4492ce91c25d_JaffaCakes118.exe
Size

535KB
MD5

88fc65aabc5e0d85ac7b4492ce91c25d
SHA1

f755aaa79828da46f919166ae7d3a704c265abfc
SHA256

549fea1b9113b1e41724bda53f2c04cbc49615cbbb4ba2f01b7f66f2f4755342
SHA512

1ca51aa833817000b291f6a167d0b41ff328e966875fbd9f137de92da51280e38de13cbe9e90e976a64dd287e2a6a6a04afbd38812d4e9a5bb1d46e5411f0236
SSDEEP

12288:cdBNKTCqqwXCcdgTw9+MvA+BisqYpxHte1oS2z:cLjQC+bs0YOz

Score

10^/10

urelas discovery 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
Urelas family
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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	88fc65aabc5e0d85ac7b4492ce91c25d_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	afuhb.exe

Executes dropped EXE 2 IoCs

pid	Process
5032	afuhb.exe
4336	ramyo.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4404-0-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral2/files/0x00050000000230d8-6.dat	upx
behavioral2/memory/4404-13-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral2/memory/5032-16-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral2/memory/5032-27-0x0000000000400000-0x000000000048B000-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 4 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	88fc65aabc5e0d85ac7b4492ce91c25d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	afuhb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ramyo.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe
4336	ramyo.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4404 wrote to memory of 5032	4404	88fc65aabc5e0d85ac7b4492ce91c25d_JaffaCakes118.exe	88
PID 4404 wrote to memory of 5032	4404	88fc65aabc5e0d85ac7b4492ce91c25d_JaffaCakes118.exe	88
PID 4404 wrote to memory of 5032	4404	88fc65aabc5e0d85ac7b4492ce91c25d_JaffaCakes118.exe	88
PID 4404 wrote to memory of 2168	4404	88fc65aabc5e0d85ac7b4492ce91c25d_JaffaCakes118.exe	89
PID 4404 wrote to memory of 2168	4404	88fc65aabc5e0d85ac7b4492ce91c25d_JaffaCakes118.exe	89
PID 4404 wrote to memory of 2168	4404	88fc65aabc5e0d85ac7b4492ce91c25d_JaffaCakes118.exe	89
PID 5032 wrote to memory of 4336	5032	afuhb.exe	111
PID 5032 wrote to memory of 4336	5032	afuhb.exe	111
PID 5032 wrote to memory of 4336	5032	afuhb.exe	111

C:\Users\Admin\AppData\Local\Temp\88fc65aabc5e0d85ac7b4492ce91c25d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\88fc65aabc5e0d85ac7b4492ce91c25d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4404
- C:\Users\Admin\AppData\Local\Temp\afuhb.exe
  "C:\Users\Admin\AppData\Local\Temp\afuhb.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5032
- - C:\Users\Admin\AppData\Local\Temp\ramyo.exe
    "C:\Users\Admin\AppData\Local\Temp\ramyo.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4336
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2168

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\_uinsey.bat

Filesize
304B

MD5
36ff90a90ce8d32ae0b507c90d3b7673

SHA1
e906f49a6ef42f72480425f748f7ddc5c86cfe3d

SHA256
646876c4a838e696a28120506ae1f2e91e1838ba87240cd2efd5040e7e917ceb

SHA512
9d38c1f066d82cf322ae054caad20c4b019eb12f0cdd2ceafbd88b530d4205f6c10e22a7cf89a54e7efea7d7ce25735db4a8daa3d5ad4e5086c0749e09ccc2c9

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

Filesize
535KB

MD5
75accd630e75105e54c66805be077019

SHA1
77434212c25c81acec9e26130ac1c242c6b63268

SHA256
f24baa0197a91364b82b13667ee75adf3212ff28ec7d8663686d1fd17b0ddf54

SHA512
8f47f23581246e8313b421755354220315e366287ad9ed3953450e7839450efa29770b473b42c40d920d2e7f5b555717a8b1651c26e6cd7a30a8ea8a838af7c3

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

Filesize
512B

MD5
4e13771cb9e7414e52be7887106f4081

SHA1
f18fac4f3bc07295eb7ec733a1ff627a3ac6f28a

SHA256
99f86056e7330e4d85c2ed84dc1760c76995fb0b7ef69a9d8b476e730156daa4

SHA512
80153ab05d6698e04eec20ea1eaacbd0ad96cd66faacd83676f11c924f92e6b479981e5adfc0d57bd8138e2f7635a6707e695ede439f3b225ff4d46059570840

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

Filesize
241KB

MD5
3f5891b655e1cf908100e05620ed8312

SHA1
7e2efd03b486dae4bf67d1c6a5952a9b77e06fa9

SHA256
f37a418afc46da5164d2f8bb8d59918838440a0f36926ef0fcf37b52a65338de

SHA512
81ffcc3e0f3454540803fd6a944ba404cecccb489dc0148297450e6cf226056cbaf7c3e22cd0c0b2dd2fba3bcdd6fc981340d2764858dbd943a7f524f21bd4a4

Download Submit
memory/4336-25-0x00000000000D0000-0x0000000000186000-memory.dmp

Filesize
728KB

Download
memory/4336-26-0x00000000012E0000-0x00000000012E1000-memory.dmp

Filesize
4KB

Download
memory/4336-29-0x00000000000D0000-0x0000000000186000-memory.dmp

Filesize
728KB

Download
memory/4336-30-0x00000000000D0000-0x0000000000186000-memory.dmp

Filesize
728KB

Download
memory/4336-31-0x00000000000D0000-0x0000000000186000-memory.dmp

Filesize
728KB

Download
memory/4336-32-0x00000000000D0000-0x0000000000186000-memory.dmp

Filesize
728KB

Download
memory/4336-33-0x00000000000D0000-0x0000000000186000-memory.dmp

Filesize
728KB

Download
memory/4404-13-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/4404-0-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/5032-16-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/5032-27-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download