urelas | bd6338278e91a2f1c3ee4857c69899640d897a120ae9764759fc9ad2c8b9b78d

General

Target

808c54e52e59237255aff6d34511a760N.exe
Size

558KB
MD5

808c54e52e59237255aff6d34511a760
SHA1

b3676f18e81917f753e202e483c0b9fb8533d2ec
SHA256

bd6338278e91a2f1c3ee4857c69899640d897a120ae9764759fc9ad2c8b9b78d
SHA512

da396174fb2ddeb2d6b04120cb5f34d09acb75a056a048a387f6e718ff98edf9f060567b219123aef4518a5baedf9d3e6fdc8a7afe8ffbeefb9d6f934e3749e0
SSDEEP

12288:zccNvdRExZGe+Q1nSoS++43x+l7QLiaEy9:znPfQp9L3olqF9

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

C2

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

Deletes itself 1 IoCs

pid	Process
2464	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2280	herix.exe
1048	qysyi.exe

Loads dropped DLL 2 IoCs

pid	Process
2076	808c54e52e59237255aff6d34511a760N.exe
2280	herix.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2076-0-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/files/0x0009000000015e25-4.dat	upx
behavioral1/memory/2280-17-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/memory/2076-18-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/memory/2280-21-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/memory/2280-28-0x0000000000400000-0x00000000004B6000-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	808c54e52e59237255aff6d34511a760N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	herix.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qysyi.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe
1048	qysyi.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2280	2076	808c54e52e59237255aff6d34511a760N.exe	30
PID 2076 wrote to memory of 2280	2076	808c54e52e59237255aff6d34511a760N.exe	30
PID 2076 wrote to memory of 2280	2076	808c54e52e59237255aff6d34511a760N.exe	30
PID 2076 wrote to memory of 2280	2076	808c54e52e59237255aff6d34511a760N.exe	30
PID 2076 wrote to memory of 2464	2076	808c54e52e59237255aff6d34511a760N.exe	31
PID 2076 wrote to memory of 2464	2076	808c54e52e59237255aff6d34511a760N.exe	31
PID 2076 wrote to memory of 2464	2076	808c54e52e59237255aff6d34511a760N.exe	31
PID 2076 wrote to memory of 2464	2076	808c54e52e59237255aff6d34511a760N.exe	31
PID 2280 wrote to memory of 1048	2280	herix.exe	34
PID 2280 wrote to memory of 1048	2280	herix.exe	34
PID 2280 wrote to memory of 1048	2280	herix.exe	34
PID 2280 wrote to memory of 1048	2280	herix.exe	34

C:\Users\Admin\AppData\Local\Temp\808c54e52e59237255aff6d34511a760N.exe
"C:\Users\Admin\AppData\Local\Temp\808c54e52e59237255aff6d34511a760N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Local\Temp\herix.exe
  "C:\Users\Admin\AppData\Local\Temp\herix.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2280
- - C:\Users\Admin\AppData\Local\Temp\qysyi.exe
    "C:\Users\Admin\AppData\Local\Temp\qysyi.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1048
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_uinsey.bat

Filesize
278B

MD5
b04098617867c9bef45e960e20db46be

SHA1
60c9312e22d0d96a506eb0b5dde890bc7118f04a

SHA256
99c9f776d3efb8b852b3c6648bbb53dc6e0b5d40d0fb81630d24f893cef57a81

SHA512
342737c82e83b704a4319fc08b77eb4b91061e14da674a6ed16d46d8164841161bf40dd83820210dc10209ae0ce6d98e3712874f8af434e452c58d39bc19d9c1

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

Filesize
512B

MD5
93ad622e3c8281d2cd15678d95385357

SHA1
ad629324e78aa1f267721b0514fbad36bd81071c

SHA256
daf4b7ee404caf409f06ef55ea3dae0bb1be3b3ba08a3e5fda9b24478254a9ae

SHA512
6b437bb3c3876ebb93b7e0cd51f7d253bc2271bc5ab95122bd10187252c4cb947775184e628ddfd9948640c0c61e4cec2f26b832c186f096bf9d03e44e90707b

Download Submit
\Users\Admin\AppData\Local\Temp\herix.exe

Filesize
558KB

MD5
799161409952a7edfce338875f96fa3f

SHA1
9c6f6933e06e3a97e6301fe17fa9f85434e3bfdc

SHA256
59ceac4f257288c9859f0e22834c892fc87204740149e295bb64a4beaf996dbe

SHA512
5261374e7b7391dfb6f9cde1c001e7c22d3b1ccac67e7a182aa3b0275b923dad287fbd7227b98742ffa45f8c4964d0d826622c51e24c285ef402ad10f0bc6a10

Download Submit
\Users\Admin\AppData\Local\Temp\qysyi.exe

Filesize
194KB

MD5
56056d70240329c4d50afd3b093ad0c5

SHA1
335f1a427cb6cc98a83afc74e6f7b4884a39946c

SHA256
95436c0daa86e28558980428e5a4b5d288c4b235ed64867756ed392d76b53279

SHA512
cd7cf23d27b800f50fe3656b9c74e7af8e2de083f409d2cf42fdeea35e9296aebf70d6b46d01303ed475b7e7c9a99f92a8010a15ea2e946ea7023116ecde17fb

Download Submit
memory/1048-29-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1048-31-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1048-32-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/2076-8-0x0000000002550000-0x0000000002606000-memory.dmp

Filesize
728KB

Download
memory/2076-18-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2076-0-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2280-17-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2280-21-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2280-28-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download

Analysis

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