3c716bbe4f19374e33e94307019d261fac6b5912f47c385c9aa2e61480ec1012

Analysis

max time kernel
164s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2022, 22:54

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General

Target

3c716bbe4f19374e33e94307019d261fac6b5912f47c385c9aa2e61480ec1012.exe
Size

597KB
MD5

643b50bdb6dbabde1748c43b70114960
SHA1

e2a2ff8e5c29bee5baef325b56406184645b6d7a
SHA256

3c716bbe4f19374e33e94307019d261fac6b5912f47c385c9aa2e61480ec1012
SHA512

7038df6130efc46a11c969972fab828a9e9df45788495adcdd9bed2a1126355fa9df765988cb4bcb7d5857820b8304b59e42d158fafb1b7085bac868a9fa1976
SSDEEP

6144:dcJkl8DV12C28tLN2/FpCOLIYGAloERzlu7wZBuE2TRXOwAC8pE:d5GL2C2aZ2/FgQTL/Rzlu7PRQo

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4140	dujya.exe
640	nymoi.exe

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	dujya.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	3c716bbe4f19374e33e94307019d261fac6b5912f47c385c9aa2e61480ec1012.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe
640	nymoi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 4140	4800	3c716bbe4f19374e33e94307019d261fac6b5912f47c385c9aa2e61480ec1012.exe	82
PID 4800 wrote to memory of 4140	4800	3c716bbe4f19374e33e94307019d261fac6b5912f47c385c9aa2e61480ec1012.exe	82
PID 4800 wrote to memory of 4140	4800	3c716bbe4f19374e33e94307019d261fac6b5912f47c385c9aa2e61480ec1012.exe	82
PID 4800 wrote to memory of 2008	4800	3c716bbe4f19374e33e94307019d261fac6b5912f47c385c9aa2e61480ec1012.exe	83
PID 4800 wrote to memory of 2008	4800	3c716bbe4f19374e33e94307019d261fac6b5912f47c385c9aa2e61480ec1012.exe	83
PID 4800 wrote to memory of 2008	4800	3c716bbe4f19374e33e94307019d261fac6b5912f47c385c9aa2e61480ec1012.exe	83
PID 4140 wrote to memory of 640	4140	dujya.exe	86
PID 4140 wrote to memory of 640	4140	dujya.exe	86
PID 4140 wrote to memory of 640	4140	dujya.exe	86

C:\Users\Admin\AppData\Local\Temp\3c716bbe4f19374e33e94307019d261fac6b5912f47c385c9aa2e61480ec1012.exe
"C:\Users\Admin\AppData\Local\Temp\3c716bbe4f19374e33e94307019d261fac6b5912f47c385c9aa2e61480ec1012.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4800
- C:\Users\Admin\AppData\Local\Temp\dujya.exe
  "C:\Users\Admin\AppData\Local\Temp\dujya.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4140
- - C:\Users\Admin\AppData\Local\Temp\nymoi.exe
    "C:\Users\Admin\AppData\Local\Temp\nymoi.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:640
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
  2⤵
  PID:2008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
340B

MD5
bba98b09621d2cc1ea5200dfecd1c25b

SHA1
49f257453e715e00d1113f729d6af4cf6111725d

SHA256
84cdeed7d32e540f20d7b7da904fc9855cc9b865ebcc6ccb38ac1867e073113e

SHA512
9ad799dd2a3848c1d2850c406cb939f0c09cf0e5faa7fd16de7f7b7839596c05982fb0936dba983acbc6e5410fc8ef0d43daca38d55fb5c2bf65e8f98b62f2ce

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

Filesize
597KB

MD5
17e3e7f92a578b7977e43d399f23aa8b

SHA1
dfc1f78672b9033ae478d45421ed285434bdbd76

SHA256
6c398c757dd1cfee87b44d1c16704a67ce9c35bf0d04bbe5a64e62476eaff2c7

SHA512
f66a51ec35fed9093dca7a234375b35b5dd7709c1738b6b5e91189cc77707b87ce6dfaaefe58297107e6c791e67eac44155196bac62950315a0a3a3eef1b9957

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

Filesize
597KB

MD5
17e3e7f92a578b7977e43d399f23aa8b

SHA1
dfc1f78672b9033ae478d45421ed285434bdbd76

SHA256
6c398c757dd1cfee87b44d1c16704a67ce9c35bf0d04bbe5a64e62476eaff2c7

SHA512
f66a51ec35fed9093dca7a234375b35b5dd7709c1738b6b5e91189cc77707b87ce6dfaaefe58297107e6c791e67eac44155196bac62950315a0a3a3eef1b9957

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

Filesize
512B

MD5
63d707df01d361203bace33f0d37feb1

SHA1
1680d7b5f8c71c8d920be5bebd02347df2da96f7

SHA256
82536ef100aa29576dadb044b2f502dd709c28de621c51131b0c75c8a7fc3652

SHA512
2bb8d8b9d0e58bf61436d3ddbb66d20776945b0220ba2cbe0a6ba6fdad000bb5c87d24eb2bd5b386c68e9fa7359ce9e61e1132b070ee394bc6875795fd80ce02

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

Filesize
166KB

MD5
44dccf6069ccecc380b489343aec19f6

SHA1
a6c0e84c308f6ce7125577c3d6aef9dae6b552b0

SHA256
2415ee9ba8d82af9ba68f436b46df03ff80bb0187a6822f682b4047f9e8a8bbc

SHA512
8b790f117aa067ec6f14317c940f27986efcedf8ea653e879c5df7521cbc8fbc6f6d8f9854b4551f8117f4a27aee2feeed164ad3ef891edcf5f2fa3ff7f9c302

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

Filesize
166KB

MD5
44dccf6069ccecc380b489343aec19f6

SHA1
a6c0e84c308f6ce7125577c3d6aef9dae6b552b0

SHA256
2415ee9ba8d82af9ba68f436b46df03ff80bb0187a6822f682b4047f9e8a8bbc

SHA512
8b790f117aa067ec6f14317c940f27986efcedf8ea653e879c5df7521cbc8fbc6f6d8f9854b4551f8117f4a27aee2feeed164ad3ef891edcf5f2fa3ff7f9c302

Download Submit
memory/640-146-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/640-149-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/4140-137-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/4140-141-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/4140-145-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/4800-138-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/4800-132-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download