4eb0db232afcc64af4483d286de29fb8193403d173f2d921636eb9e5148e1074

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
07-03-2024 15:24

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General

Target

b90f0309e86c1ad4b3bb180270c7eafb.exe
Size

18KB
MD5

b90f0309e86c1ad4b3bb180270c7eafb
SHA1

63607002ad43a4c33d8104efd9300bb522dabfcb
SHA256

4eb0db232afcc64af4483d286de29fb8193403d173f2d921636eb9e5148e1074
SHA512

46a4d799fc87fc920cface4dae070c683504702cee1058802e10683759cf8048721a04792609e6f059054931d7cb49061a87f10fecd8c446aead4f7342e66bb8
SSDEEP

384:WuToEwDFInzUVtUdZ41t5aNJawcudoD7UCYqz4anWpLkf:WKeD+nIVtsu8nbcuyD7UY4anZ

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2972	10E2.tmp

Loads dropped DLL 2 IoCs

pid	Process
2728	b90f0309e86c1ad4b3bb180270c7eafb.exe
2728	b90f0309e86c1ad4b3bb180270c7eafb.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2728-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2728-32-0x0000000000400000-0x000000000040E000-memory.dmp	upx

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

System Information Discovery
T1082

Runs .reg file with regedit 1 IoCs

pid	Process
2720	regedit.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2972	2728	b90f0309e86c1ad4b3bb180270c7eafb.exe	28
PID 2728 wrote to memory of 2972	2728	b90f0309e86c1ad4b3bb180270c7eafb.exe	28
PID 2728 wrote to memory of 2972	2728	b90f0309e86c1ad4b3bb180270c7eafb.exe	28
PID 2728 wrote to memory of 2972	2728	b90f0309e86c1ad4b3bb180270c7eafb.exe	28
PID 2972 wrote to memory of 2552	2972	10E2.tmp	29
PID 2972 wrote to memory of 2552	2972	10E2.tmp	29
PID 2972 wrote to memory of 2552	2972	10E2.tmp	29
PID 2972 wrote to memory of 2552	2972	10E2.tmp	29
PID 2552 wrote to memory of 2720	2552	cmd.exe	31
PID 2552 wrote to memory of 2720	2552	cmd.exe	31
PID 2552 wrote to memory of 2720	2552	cmd.exe	31
PID 2552 wrote to memory of 2720	2552	cmd.exe	31
PID 2972 wrote to memory of 2560	2972	10E2.tmp	32
PID 2972 wrote to memory of 2560	2972	10E2.tmp	32
PID 2972 wrote to memory of 2560	2972	10E2.tmp	32
PID 2972 wrote to memory of 2560	2972	10E2.tmp	32

C:\Users\Admin\AppData\Local\Temp\b90f0309e86c1ad4b3bb180270c7eafb.exe
"C:\Users\Admin\AppData\Local\Temp\b90f0309e86c1ad4b3bb180270c7eafb.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Users\Admin\AppData\Local\Temp\10E2.tmp
  C:\Users\Admin\AppData\Local\Temp\10E2.tmp C:\Users\Admin\AppData\Local\Temp
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2972
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpfile0.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2552
  - - C:\Windows\SysWOW64\regedit.exe
      regedit.exe /S Konami.reg
      4⤵
      Runs .reg file with regedit
      PID:2720
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpfile0.bat" "
    3⤵
    PID:2560

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\tmpfile0.bat

Filesize
168B

MD5
29f1574b9925329024ffe831424d0bdf

SHA1
fd92c80d6c79a731165ad6b7d1fe47fe9f8b46fc

SHA256
346acc152bb33bc03aeba66219a6eef8a3dfcba490f0c89fc4558389e296aec4

SHA512
61cf9fdc01dfd0931f7622282dc0d771b0832b51c5469d351f6bd21e1bd8d4aaf7c46a0a3e0d88f0fbb599454dd7c32523a1a9555b90f55ca1e678f2e8efb044

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpfile0.bat

Filesize
104B

MD5
b2ce60d5ddf0d5b6c43472871e3cb314

SHA1
6df137e099e054689c86c4d25a206d81c1af5992

SHA256
2a9178097ca056b5b09c56d1b407b79c39c9d26d840c6f62f8af8412e1188fa3

SHA512
056f6965a0e6c9a5284cabaccdb48420943664b126700d33c46d98f2201823da41ec1b3089ce71ed2628883845183aff23725198aeed4484a656b39da969246d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpfile0.tmp

Filesize
13B

MD5
38de427224a5082a04fe82e2bd4ea9ec

SHA1
7e4a53de1f83762dd2febd39b818e2258bc83bc1

SHA256
12f99f53144294750fe8713d580eda286f4bd95cd9c840db8ab957def8040028

SHA512
ec3f3c324eeaad91ab0efd47b3084493d863f969344fa1ba87ace1974908053d396673b44c33b4dceeef792a74ad9278e06acc27c83459af1153de52f83afcbf

Download Submit
\Users\Admin\AppData\Local\Temp\10E2.tmp

Filesize
13KB

MD5
0f02a3e626d1c63d0b47005f5e7fe9c0

SHA1
ecb1dbf63bc182a58eed8b5e3a4c167682f35bf6

SHA256
40296fb79b0ec9a26fe73516d9de8909c9a72bca153dc011d609f59d386baefd

SHA512
04e6bba3dc8006138c8990288295d93109f1467f22cee74c876e9ad1123c318c0b512395866f58bcdc6e017a1c66b551335a7f3599528db6a77713c3e83d3eeb

Download Submit
memory/2728-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2728-10-0x00000000000F0000-0x00000000000F7000-memory.dmp

Filesize
28KB

Download
memory/2728-4-0x00000000000F0000-0x00000000000F7000-memory.dmp

Filesize
28KB

Download
memory/2728-32-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2972-33-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download