ccd3836e4cf4bf924e3e5e00910fae8282207056ca181423e57571abcbcea288

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/08/2024, 12:38

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General

Target
8eae236245771e00d90048d98d9a0610N.exe
Size 78KB
Sample240805-pvc91awdkl
SHA256 ccd3836e4cf4bf924e3e5e00910fae8282207056ca181423e57571abcbcea288
MD5 8eae236245771e00d90048d98d9a0610
SHA1 a00ab96a21645b310e20a72a9005ab1bf5a32e51
SHA512 973171e636fe7b3bc8b6eeea6a5a29d56d3e101407082b58ce273d7b75ec586561e4aca2c58b82d23eb3dd98da7c7b86750fb1c287c05a177993909539410d72
SSDEEP 1536:2HFo6638dy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQt99/2VhB1Ts:2HFo53Ln7N041Qqhg99/B
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	8eae236245771e00d90048d98d9a0610N.exe

Executes dropped EXE 1 IoCs

pid	Process
4952	tmp65DE.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System.XML = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\AppLaunch.exe\""	tmp65DE.tmp.exe

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	8eae236245771e00d90048d98d9a0610N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp65DE.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4468	8eae236245771e00d90048d98d9a0610N.exe
Token: SeDebugPrivilege	4952	tmp65DE.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 1476	4468	8eae236245771e00d90048d98d9a0610N.exe	85
PID 4468 wrote to memory of 1476	4468	8eae236245771e00d90048d98d9a0610N.exe	85
PID 4468 wrote to memory of 1476	4468	8eae236245771e00d90048d98d9a0610N.exe	85
PID 1476 wrote to memory of 4932	1476	vbc.exe	88
PID 1476 wrote to memory of 4932	1476	vbc.exe	88
PID 1476 wrote to memory of 4932	1476	vbc.exe	88
PID 4468 wrote to memory of 4952	4468	8eae236245771e00d90048d98d9a0610N.exe	89
PID 4468 wrote to memory of 4952	4468	8eae236245771e00d90048d98d9a0610N.exe	89
PID 4468 wrote to memory of 4952	4468	8eae236245771e00d90048d98d9a0610N.exe	89

C:\Users\Admin\AppData\Local\Temp\8eae236245771e00d90048d98d9a0610N.exe
"C:\Users\Admin\AppData\Local\Temp\8eae236245771e00d90048d98d9a0610N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\euk-kzoe.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1476
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6755.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc2AF8D08EA84F4D39BCA1F52E7CC75A0.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4932
- C:\Users\Admin\AppData\Local\Temp\tmp65DE.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp65DE.tmp.exe" C:\Users\Admin\AppData\Local\Temp\8eae236245771e00d90048d98d9a0610N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

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

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

RES6755.tmp

Path C:\Users\Admin\AppData\Local\Temp\RES6755.tmp
Size 1KB
SHA256 8b197897107718cb3e680c2d8df15e0ae10d0028e83ba1da235c297be0aa8ad5
MD5 6344c4e398d687096c47f3f490ba9ff0
SHA1 34447384f76de0b7e4ed8a70bb0ff1d167569c3b
SHA512 71ba221ef55f6e5b524c813a3bdc741958f6f480bd718c45ee51ef83e0e4a8729fa27d5939ea3539c349138b50c37b0b5dafbefb2b5e416a70356e0c5ea0cd8a
MD5 SHA1 SHA512

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euk-kzoe.0.vb

Path C:\Users\Admin\AppData\Local\Temp\euk-kzoe.0.vb
Size 15KB
SHA256 05ff2dd0c74df248b226046141c2d0db0220a823a7105e3a962413ec544d6d02
MD5 d7fff3cfb6deb8c38f8ddbeb517f383f
SHA1 ef83fc7661b5a7ce2ebd44c99777419f68180139
SHA512 40107bddd40c2504f41c241d44a42bff518c28784742cc5ec0caf02d90b96dd1778b2503c9936b0f8f9c382a6871aae2d7441a6657427bae373bb9e9f1ccb52c
SSDEEP 384:riNCNGNaNh3cNINpcHbZE6N2zN7QhSN7eP:qOaGuwpcHx2hE+m
MD5 SHA1 SHA512 SSDEEP

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euk-kzoe.cmdline

Path C:\Users\Admin\AppData\Local\Temp\euk-kzoe.cmdline
Size 266B
SHA256 4b6c9ff7beb8705f5c456285c60a35482358adb1d21e3713cd657e040973af41
MD5 08cf23deb4dbe385972152d45728891b
SHA1 b06bbcce32e433a685108a52542bef6c06099a98
SHA512 2eb39989d844a9416a0640dd75fb442bc757146e94c3a33b0dee8dada2c071fbc6700947b0d57f4893589164e41e5c31207020cbbc7f349e3bbc818b9bdbdd7e
MD5 SHA1 SHA512

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tmp65DE.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp65DE.tmp.exe
Size 78KB
SHA256 4e7d6bb8baff716b1c64c0fccb3d2fc8f511e5249abc4dfc4262f1941ac76f7b
MD5 2ad81112864ba8b1261abe070bc1da99
SHA1 d0750900c0185574cdbdfdf7ff11089bda9856c7
SHA512 6e0a5234117d796678d850769f1bc371bfae170324bbb2a80948b5db2023f79a5fba6995141904d594a9f9e2d6fb6801df82d7ef5bf98a6aa8d0356a902fce53
SSDEEP 1536:gc58ddy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQt96L9/U1RB:gc58In7N041QqhgE9/m
MD5 SHA1 SHA512 SSDEEP

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vbc2AF8D08EA84F4D39BCA1F52E7CC75A0.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbc2AF8D08EA84F4D39BCA1F52E7CC75A0.TMP
Size 660B
SHA256 085de9dd0aaf09da274259ae966f738cbd3f1394803b7db049ebdee63f405adb
MD5 77c687a70ab4548fc2f981a8b19b1c5c
SHA1 f6c9e621cb998537267f457f0a53b7a5b5e0416a
SHA512 f57bb1bb6d8f9638ed89388d239b439f5a14178ca00f58e488ceb89ebf946a76a4be18e0736f58d5cbc1f9213678f9e9df8ae905fc26ad94ae1f7fb420af7a03
MD5 SHA1 SHA512

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zCom.resources

Path C:\Users\Admin\AppData\Local\Temp\zCom.resources
Size 62KB
SHA256 d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430
MD5 aa4bdac8c4e0538ec2bb4b7574c94192
SHA1 ef76d834232b67b27ebd75708922adea97aeacce
SHA512 0ec342286c9dbe78dd7a371afaf405232ff6242f7e024c6640b265ba2288771297edbb5a6482848daad5007aef503e92508f1a7e1a8b8ff3fe20343b21421a65
SSDEEP 1536:edy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtQ:pn7N041QqhgQ
MD5 SHA1 SHA512 SSDEEP

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memory/1476-8-0x0000000074BF0000-0x00000000751A1000-memory.dmp

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memory/1476-18-0x0000000074BF0000-0x00000000751A1000-memory.dmp

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memory/4468-0-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

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memory/4468-2-0x0000000074BF0000-0x00000000751A1000-memory.dmp

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memory/4468-1-0x0000000074BF0000-0x00000000751A1000-memory.dmp

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memory/4468-22-0x0000000074BF0000-0x00000000751A1000-memory.dmp

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memory/4952-23-0x0000000074BF0000-0x00000000751A1000-memory.dmp

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memory/4952-24-0x0000000074BF0000-0x00000000751A1000-memory.dmp

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memory/4952-26-0x0000000074BF0000-0x00000000751A1000-memory.dmp

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memory/4952-27-0x0000000074BF0000-0x00000000751A1000-memory.dmp

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memory/4952-28-0x0000000074BF0000-0x00000000751A1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads