04d186d7189a0169524d7e980e03ea2ad6cca3f07c3cf9053963ef2451436732

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 01:14

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General

Target

2024-04-15_df432101171c78c912ddd5ba26707cc2_ryuk.exe
Size

4.3MB
MD5

df432101171c78c912ddd5ba26707cc2
SHA1

1780cd288935787f87f0569e4f4d792e3933414c
SHA256

04d186d7189a0169524d7e980e03ea2ad6cca3f07c3cf9053963ef2451436732
SHA512

92d4398c8c09364f915e221f7523a4a20e9b2ab04b7ee2e7e52b8dfb0978f84cd133d88e77ea90f34ea03e5ce619812b7befd10f9c8080f06223b217fe2e3aac
SSDEEP

49152:tJ2NYoVYKmsB7UYzXQRPbyV1w1xXG+I/WGC/qmrwFzekI4RRFnFtZnNs4T3Bet2j:pATzgQVr+/GC/qAwDnL1x1PDtC

Score

9^/10

upx

Malware Config

Signatures

Detects executables calling ClearMyTracksByProcess 1 IoCs

resource	yara_rule
behavioral2/memory/4636-32-0x0000000010000000-0x0000000010061000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_ClearMyTracksByProcess

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023516-5.dat	UPX
behavioral2/memory/4636-6-0x0000000000400000-0x0000000000558000-memory.dmp	UPX
behavioral2/memory/4636-43-0x0000000000400000-0x0000000000558000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
4636	QPqTHGsg.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023516-5.dat	upx
behavioral2/memory/4636-6-0x0000000000400000-0x0000000000558000-memory.dmp	upx
behavioral2/memory/4636-43-0x0000000000400000-0x0000000000558000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3944	2024-04-15_df432101171c78c912ddd5ba26707cc2_ryuk.exe
3944	2024-04-15_df432101171c78c912ddd5ba26707cc2_ryuk.exe
3944	2024-04-15_df432101171c78c912ddd5ba26707cc2_ryuk.exe
3944	2024-04-15_df432101171c78c912ddd5ba26707cc2_ryuk.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4636	QPqTHGsg.exe
4636	QPqTHGsg.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 4636	3944	2024-04-15_df432101171c78c912ddd5ba26707cc2_ryuk.exe	95
PID 3944 wrote to memory of 4636	3944	2024-04-15_df432101171c78c912ddd5ba26707cc2_ryuk.exe	95
PID 3944 wrote to memory of 4636	3944	2024-04-15_df432101171c78c912ddd5ba26707cc2_ryuk.exe	95
PID 4636 wrote to memory of 1988	4636	QPqTHGsg.exe	98
PID 4636 wrote to memory of 1988	4636	QPqTHGsg.exe	98
PID 4636 wrote to memory of 1988	4636	QPqTHGsg.exe	98

C:\Users\Admin\AppData\Local\Temp\2024-04-15_df432101171c78c912ddd5ba26707cc2_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_df432101171c78c912ddd5ba26707cc2_ryuk.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Users\Public\Downloads\p84i0v7G\QPqTHGsg.exe
  "C:\Users\Public\Downloads\p84i0v7G\QPqTHGsg.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4636
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c echo.>c:\xxxx.ini
    3⤵
    PID:1988

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1048,i,5838972776061051553,16186488414347324308,262144 --variations-seed-version --mojo-platform-channel-handle=1052 /prefetch:8
1⤵
PID:1584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\_ir_tu2_temp_0\IRIMG3.JPG

Filesize
6KB

MD5
e39405e85e09f64ccde0f59392317dd3

SHA1
9c76db4b3d8c7972e7995ecfb1e3c47ee94fd14b

SHA256
cfd9677e1c0e10b1507f520c4ecd40f68db78154c0d4e6563403d540f3bf829f

SHA512
6733f330145b48d23c023c664090f4f240e9bbeb8368b486c8ee8682ec6a930b73275e24075648d1aa7e01db1ec7b7e259286917a006ba9af8fb7cba3439070a

Download Submit
C:\Users\Admin\AppData\Local\Temp\_ir_tu2_temp_0\IRIMG4.JPG

Filesize
36KB

MD5
f6bf82a293b69aa5b47d4e2de305d45a

SHA1
4948716616d4bbe68be2b4c5bf95350402d3f96f

SHA256
6a9368cdd7b3ff9b590e206c3536569bc45c338966d0059784959f73fe6281e0

SHA512
edf0f3ee60a620cf886184c1014f38d0505aac9e3703d61d7074cfb27d6922f80e570d1a3891593606a09f1296a88c8770445761c11c390a99a5341ee56478aa

Download Submit
C:\Users\Public\Downloads\p84i0v7G\Edge.jpg

Filesize
358KB

MD5
f3a6652861cc10d29c151b798bc02250

SHA1
47fa2c86d17f38c2b4f3317fcb8b2c91da105490

SHA256
885e37f95b5378d32ad583d85c50381f4fe5d183607647c780e88bb6d0d109f5

SHA512
41d7e4e27ea8cf072d6dfe81c9bc4b7a4e2a6043242201db376cd71e5d88b570d22a0a568cd3474f04b47046f445f15dee022bb328ad43acc56dc6841b16441a

Download Submit
C:\Users\Public\Downloads\p84i0v7G\QPqTHGsg.dat

Filesize
132KB

MD5
92d635d735cca3ba249eedd55917202b

SHA1
fcc10fe057831067e28968460970b55acafc5427

SHA256
f34e6a4405cb8fe97465f72164431b14587fc757e60e3c19ca128422c0d7e12e

SHA512
6b7d899c83161f462e2d8debc9c2448fb95d26ca7873e396c1fd4af7b27dcfa699d0dfec7a8c93758b9609d92a5e58e7c3c1bc74186b8787bbf677f12dd28620

Download Submit
C:\Users\Public\Downloads\p84i0v7G\QPqTHGsg.exe

Filesize
529KB

MD5
49d595ab380b7c7a4cd6916eeb4dfe6f

SHA1
b84649fce92cc0e7a4d25599cc15ffaf312edc0b

SHA256
207d856a56e97f2fdab243742f0cfcd1ba8b5814dc65b3798e54d022ce719661

SHA512
d00ed0d9baae96ccbaf1262b4a4aaf4468e4ace6cebcea81e74d830bf414d9bc61068b8fb0eefa742add14aec47284f3adc11be26c8b8d66bfae4c498f2a4110

Download Submit
C:\Users\Public\Downloads\p84i0v7G\edge.xml

Filesize
53KB

MD5
309da49a2b576d4ae33cfcad1f69b4db

SHA1
4dde5c24b73ab7dd797d66361531343aad3ae4b7

SHA256
41fb91b112157f5d6a4189af541f1bdca44e15217294a596ab112c81ac8fdfc6

SHA512
1a0a7c97cbd29f676bf2328d8b4cfdf7b73653bbc91dc0e108def42281f7b04db83a9ea16d2dcec3339a88e23a261bc7075449f4b7e79f77506be3dbeed92dcc

Download Submit
memory/4636-6-0x0000000000400000-0x0000000000558000-memory.dmp

Filesize
1.3MB

Download
memory/4636-28-0x0000000003430000-0x0000000003431000-memory.dmp

Filesize
4KB

Download
memory/4636-30-0x0000000003680000-0x0000000003692000-memory.dmp

Filesize
72KB

Download
memory/4636-32-0x0000000010000000-0x0000000010061000-memory.dmp

Filesize
388KB

Download
memory/4636-43-0x0000000000400000-0x0000000000558000-memory.dmp

Filesize
1.3MB

Download