1423053f90855d33858db47f354055b660943104c1c18f848c9b7b415979dc5f

max time kernel
42s
max time network
146s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 18:02

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General

Target

5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
Size

669KB
MD5

ead18f3a909685922d7213714ea9a183
SHA1

1270bd7fd62acc00447b30f066bb23f4745869bf
SHA256

5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18
SHA512

6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91
SSDEEP

6144:bLUHLyHlwFjxDi2nEZkQ4NXxp0XMgkBWPqdN/jGdfYY7SRA7j4YlvfYAAjJ:4uFi02nEZh4jp0XLuxGdgTm73vL

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2500	icacls.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral21/memory/2580-0-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral21/files/0x000600000001a48a-20.dat	upx
behavioral21/memory/1620-28-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral21/memory/2148-48-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral21/memory/1620-47-0x00000000027D0000-0x0000000002879000-memory.dmp	upx
behavioral21/memory/2236-67-0x0000000000400000-0x00000000004A9000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\836d66d8-d895-476c-a61f-7abed288ba5a\\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe\" --AutoStart"	5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

Looks up external IP address via web service 7 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.2ip.ua
9	api.2ip.ua
18	api.2ip.ua
19	api.2ip.ua
21	api.2ip.ua
23	api.2ip.ua
3	api.2ip.ua

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2580	5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
2580	5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2500	2580	5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe	30
PID 2580 wrote to memory of 2500	2580	5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe	30
PID 2580 wrote to memory of 2500	2580	5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe	30
PID 2580 wrote to memory of 2500	2580	5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe	30

C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
"C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\icacls.exe
  icacls "C:\Users\Admin\AppData\Local\836d66d8-d895-476c-a61f-7abed288ba5a" /deny *S-1-1-0:(OI)(CI)(DE,DC)
  2⤵
  - Modifies file permissions
  PID:2500
- C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
  "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Admin IsNotAutoStart IsNotTask
  2⤵
  PID:1620
- - C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
    "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --ForNetRes "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1 IsNotAutoStart IsNotTask
    3⤵
    PID:2148
  - - C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
      "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 2148 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
      4⤵
      PID:2236
- - C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
    "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 1620 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
    3⤵
    PID:2016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
1KB

MD5
2365869258df7a66a2121b802ca4afd9

SHA1
73acc30a2edeb9d6830de559bb8a74f35168135d

SHA256
d6b1932822bbd72a8e78c771717d992142348f67d625a42393719fefbe59b0ed

SHA512
795004bab536e128dbd81c188976d37c7b650efbfa5a80374df4c65a1049c27658f4620b7605583928eb167fcb69b4c99e4c8730c507b824a7bde9c7fb0e21f4

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

Filesize
436B

MD5
1bfe0a81db078ea084ff82fe545176fe

SHA1
50b116f578bd272922fa8eae94f7b02fd3b88384

SHA256
5ba8817f13eee00e75158bad93076ab474a068c6b52686579e0f728fda68499f

SHA512
37c582f3f09f8d80529608c09041295d1644bcc9de6fb8c4669b05339b0dd870f9525abc5eed53ad06a94b51441275504bc943c336c5beb63b53460ba836ca8d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
174B

MD5
cc1942f145641c9306960589b48f39af

SHA1
f8c6ffe762daa212f67fad13a5c7ef577939a667

SHA256
7f9dc7bf61f61fa56e45b204e20622426da2b804461feab227bbe2f9e3862c5f

SHA512
1a39dea3605d47bf5928c771e5c00791d2a36bf3f4e105f47c2e8724ea19fad0b788026a6a854827eb11c68fc480186c9493776a66388f851e7becd828bdbdd0

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
02ba0b052a09f983f2c9de56560337e4

SHA1
cdf6de88e5534ede8cdb46d4eae40cbbbd5fd928

SHA256
22817516f96b05669331aa3f6c37a4858b6e615c6c2307f455355841f7ddfd2c

SHA512
18527c92afc0e2a84abff47511a52ac229cb7ebd0131daedaebd575c7f4e88937aab998c0c29327f318571a2b39f42c10ebc6a7a41f3d5f5747a17118e1c1996

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

Filesize
170B

MD5
57dd88c1d904beda61379fd7897580d0

SHA1
b3f6513668473db8b357f16a07fd84dc1c9dc62e

SHA256
c562db7d30392e1c1c43ac8261bde618e0e8d04dd503067dc710aa60f24b7730

SHA512
8c8e833ffe3229204b2e812d39d2d19dde2f980aace64b293d91ed396f2c3f666a63b255437a15ad689f19c6446c46133beb8c4ebf8f0d64e5596a1ec02b4ad1

Download Submit
C:\Users\Admin\AppData\Local\836d66d8-d895-476c-a61f-7abed288ba5a\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

Filesize
669KB

MD5
ead18f3a909685922d7213714ea9a183

SHA1
1270bd7fd62acc00447b30f066bb23f4745869bf

SHA256
5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

SHA512
6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab95E9.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2D1A.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1620-47-0x00000000027D0000-0x0000000002879000-memory.dmp

Filesize
676KB

Download
memory/1620-43-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1620-81-0x00000000027D0000-0x0000000002879000-memory.dmp

Filesize
676KB

Download
memory/1620-30-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1620-80-0x00000000027D0000-0x0000000002879000-memory.dmp

Filesize
676KB

Download
memory/1620-28-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1620-46-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1620-45-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1620-50-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1620-49-0x00000000027D0000-0x0000000002879000-memory.dmp

Filesize
676KB

Download
memory/1620-44-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2016-78-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2148-48-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2148-77-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2236-67-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2236-76-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2580-3-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2580-0-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2580-21-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2580-2-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2580-23-0x0000000003780000-0x0000000003829000-memory.dmp

Filesize
676KB

Download
memory/2580-27-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2580-26-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2580-25-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2580-22-0x0000000003770000-0x0000000003819000-memory.dmp

Filesize
676KB

Download