21d5dd1408f9c6c5d74cde84d0e870f1e733bfff74e14dbaff05df405f8459f3

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 01:40

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General

Target

4a0a32a4e76b7126bcd478032d03fbf1.exe
Size

581KB
MD5

4a0a32a4e76b7126bcd478032d03fbf1
SHA1

c7af559dd0fc8a0a4c13cdd97f7d9717a89ac42d
SHA256

21d5dd1408f9c6c5d74cde84d0e870f1e733bfff74e14dbaff05df405f8459f3
SHA512

00cbe2dd349e713575950592004fad72129005c257afc592c98d60392875ad6a3e1a4e7ce5b5e496fc78a2b60c1f981b4205ad8d49462145ef5fa7d4a3d64ff6
SSDEEP

12288:QxDJhNH8ZkXWykEr8369tNFMP8NdHXpZ2achJC4+j:QpJbl+36tKPdhJ7w

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2880	1431831751.exe

Loads dropped DLL 11 IoCs

pid	Process
2724	4a0a32a4e76b7126bcd478032d03fbf1.exe
2724	4a0a32a4e76b7126bcd478032d03fbf1.exe
2724	4a0a32a4e76b7126bcd478032d03fbf1.exe
2724	4a0a32a4e76b7126bcd478032d03fbf1.exe
2072	WerFault.exe
2072	WerFault.exe
2072	WerFault.exe
2072	WerFault.exe
2072	WerFault.exe
2072	WerFault.exe
2072	WerFault.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2072	2880	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1884	wmic.exe
Token: SeSecurityPrivilege	1884	wmic.exe
Token: SeTakeOwnershipPrivilege	1884	wmic.exe
Token: SeLoadDriverPrivilege	1884	wmic.exe
Token: SeSystemProfilePrivilege	1884	wmic.exe
Token: SeSystemtimePrivilege	1884	wmic.exe
Token: SeProfSingleProcessPrivilege	1884	wmic.exe
Token: SeIncBasePriorityPrivilege	1884	wmic.exe
Token: SeCreatePagefilePrivilege	1884	wmic.exe
Token: SeBackupPrivilege	1884	wmic.exe
Token: SeRestorePrivilege	1884	wmic.exe
Token: SeShutdownPrivilege	1884	wmic.exe
Token: SeDebugPrivilege	1884	wmic.exe
Token: SeSystemEnvironmentPrivilege	1884	wmic.exe
Token: SeRemoteShutdownPrivilege	1884	wmic.exe
Token: SeUndockPrivilege	1884	wmic.exe
Token: SeManageVolumePrivilege	1884	wmic.exe
Token: 33	1884	wmic.exe
Token: 34	1884	wmic.exe
Token: 35	1884	wmic.exe
Token: SeIncreaseQuotaPrivilege	1884	wmic.exe
Token: SeSecurityPrivilege	1884	wmic.exe
Token: SeTakeOwnershipPrivilege	1884	wmic.exe
Token: SeLoadDriverPrivilege	1884	wmic.exe
Token: SeSystemProfilePrivilege	1884	wmic.exe
Token: SeSystemtimePrivilege	1884	wmic.exe
Token: SeProfSingleProcessPrivilege	1884	wmic.exe
Token: SeIncBasePriorityPrivilege	1884	wmic.exe
Token: SeCreatePagefilePrivilege	1884	wmic.exe
Token: SeBackupPrivilege	1884	wmic.exe
Token: SeRestorePrivilege	1884	wmic.exe
Token: SeShutdownPrivilege	1884	wmic.exe
Token: SeDebugPrivilege	1884	wmic.exe
Token: SeSystemEnvironmentPrivilege	1884	wmic.exe
Token: SeRemoteShutdownPrivilege	1884	wmic.exe
Token: SeUndockPrivilege	1884	wmic.exe
Token: SeManageVolumePrivilege	1884	wmic.exe
Token: 33	1884	wmic.exe
Token: 34	1884	wmic.exe
Token: 35	1884	wmic.exe
Token: SeIncreaseQuotaPrivilege	2816	wmic.exe
Token: SeSecurityPrivilege	2816	wmic.exe
Token: SeTakeOwnershipPrivilege	2816	wmic.exe
Token: SeLoadDriverPrivilege	2816	wmic.exe
Token: SeSystemProfilePrivilege	2816	wmic.exe
Token: SeSystemtimePrivilege	2816	wmic.exe
Token: SeProfSingleProcessPrivilege	2816	wmic.exe
Token: SeIncBasePriorityPrivilege	2816	wmic.exe
Token: SeCreatePagefilePrivilege	2816	wmic.exe
Token: SeBackupPrivilege	2816	wmic.exe
Token: SeRestorePrivilege	2816	wmic.exe
Token: SeShutdownPrivilege	2816	wmic.exe
Token: SeDebugPrivilege	2816	wmic.exe
Token: SeSystemEnvironmentPrivilege	2816	wmic.exe
Token: SeRemoteShutdownPrivilege	2816	wmic.exe
Token: SeUndockPrivilege	2816	wmic.exe
Token: SeManageVolumePrivilege	2816	wmic.exe
Token: 33	2816	wmic.exe
Token: 34	2816	wmic.exe
Token: 35	2816	wmic.exe
Token: SeIncreaseQuotaPrivilege	2704	wmic.exe
Token: SeSecurityPrivilege	2704	wmic.exe
Token: SeTakeOwnershipPrivilege	2704	wmic.exe
Token: SeLoadDriverPrivilege	2704	wmic.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 2880	2724	4a0a32a4e76b7126bcd478032d03fbf1.exe	28
PID 2724 wrote to memory of 2880	2724	4a0a32a4e76b7126bcd478032d03fbf1.exe	28
PID 2724 wrote to memory of 2880	2724	4a0a32a4e76b7126bcd478032d03fbf1.exe	28
PID 2724 wrote to memory of 2880	2724	4a0a32a4e76b7126bcd478032d03fbf1.exe	28
PID 2880 wrote to memory of 1884	2880	1431831751.exe	30
PID 2880 wrote to memory of 1884	2880	1431831751.exe	30
PID 2880 wrote to memory of 1884	2880	1431831751.exe	30
PID 2880 wrote to memory of 1884	2880	1431831751.exe	30
PID 2880 wrote to memory of 2816	2880	1431831751.exe	39
PID 2880 wrote to memory of 2816	2880	1431831751.exe	39
PID 2880 wrote to memory of 2816	2880	1431831751.exe	39
PID 2880 wrote to memory of 2816	2880	1431831751.exe	39
PID 2880 wrote to memory of 2704	2880	1431831751.exe	32
PID 2880 wrote to memory of 2704	2880	1431831751.exe	32
PID 2880 wrote to memory of 2704	2880	1431831751.exe	32
PID 2880 wrote to memory of 2704	2880	1431831751.exe	32
PID 2880 wrote to memory of 1940	2880	1431831751.exe	34
PID 2880 wrote to memory of 1940	2880	1431831751.exe	34
PID 2880 wrote to memory of 1940	2880	1431831751.exe	34
PID 2880 wrote to memory of 1940	2880	1431831751.exe	34
PID 2880 wrote to memory of 2460	2880	1431831751.exe	36
PID 2880 wrote to memory of 2460	2880	1431831751.exe	36
PID 2880 wrote to memory of 2460	2880	1431831751.exe	36
PID 2880 wrote to memory of 2460	2880	1431831751.exe	36
PID 2880 wrote to memory of 2072	2880	1431831751.exe	40
PID 2880 wrote to memory of 2072	2880	1431831751.exe	40
PID 2880 wrote to memory of 2072	2880	1431831751.exe	40
PID 2880 wrote to memory of 2072	2880	1431831751.exe	40

C:\Users\Admin\AppData\Local\Temp\4a0a32a4e76b7126bcd478032d03fbf1.exe
"C:\Users\Admin\AppData\Local\Temp\4a0a32a4e76b7126bcd478032d03fbf1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Users\Admin\AppData\Local\Temp\1431831751.exe
  C:\Users\Admin\AppData\Local\Temp\1431831751.exe 7\5\1\9\6\3\8\1\1\7\7 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
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81704191079.txt bios get serialnumber
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1884
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81704191079.txt bios get version
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2704
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81704191079.txt bios get version
    3⤵
    PID:1940
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81704191079.txt bios get version
    3⤵
    PID:2460
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81704191079.txt bios get version
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 368
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2072

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\1431831751.exe

Filesize
788KB

MD5
8890fe58240790af20b7006c537a69a2

SHA1
aebb9a5cbd652634e017bbe57d1ba032b90f5a5b

SHA256
747baf72bd89b1dc09ec74093aad6249b2ee983e56cb730476a107ee5024be27

SHA512
ddf24bf4004148b7f90b4659bc2cd59cc97c3fa9b1c75d2bfdb89d0547ecb1b62405d5258f6ea7c4e18c3892cb1cb7c4fb354f34a091325ca9b940d99eafb074

Download Submit
C:\Users\Admin\AppData\Local\Temp\81704191079.txt

Filesize
66B

MD5
9025468f85256136f923096b01375964

SHA1
7fcd174999661594fa5f88890ffb195e9858cc52

SHA256
d5418014fa8e6e17d8992fd12c0dfecac8a34855603ea58133e87ea09c2130df

SHA512
92cac37c332e6e276a963d659986a79a79867df44682bfc2d77ed7784ffa5e2c149e5960a83d03ef4cf171be40a73e93a110aaa53b95152fa9a9da6b41d31e51

Download Submit
\Users\Admin\AppData\Local\Temp\1431831751.exe

Filesize
281KB

MD5
880fb9f706b2dffa14c53a713059d095

SHA1
9ea2c7453c8b22866bd7d75c6b6b25516f1b5336

SHA256
e4af72a2d1015124ea13fe9685e9003fca51b8aa4a2cf7010e9e1e786fdadd48

SHA512
4c8c89e0e1c478844595ca73912fc6e9a73bc6153071260dc225a4e74a9b1651614b9b8da5571ce774b199666bad0ef30b42f14ae29bad9dd21db9d0b7566432

Download Submit
\Users\Admin\AppData\Local\Temp\1431831751.exe

Filesize
560KB

MD5
bccbeb6245c13b1420b4832738f002ae

SHA1
48fb6706e03e2b5d90feecc18946c6843c80d539

SHA256
6f9271782a0aed41ee42710957973b5604380c3906706215bd0e09101942c16e

SHA512
023131ee364efeb17229d1fac3e897e2b668f2db35d9550eb04ac4251d76e6cdfbc88a2c8466e6b73f6456ef9ccd74f4fc99fcf19f14a70d428544cd5f890194

Download Submit
\Users\Admin\AppData\Local\Temp\1431831751.exe

Filesize
620KB

MD5
696baf1ffa6d678735245ec24ffc7d14

SHA1
b8fd8f258f8100880d6c5f751686bfd484f58252

SHA256
5374085cea631250a06498ef001674591ccb81839940912a093179934b25efb6

SHA512
336a4cba43ebafd4fd77b0356cb54046797430ea343af76cbc2c323c0f24e78d836339e7afd6aeb1102647ac43e7e2eaac9f49d5dc812b7caf830ebe6d6af6da

Download Submit
\Users\Admin\AppData\Local\Temp\1431831751.exe

Filesize
65KB

MD5
e3c95abe63f626772b51f8b56842ebdb

SHA1
cddc608b2058866b4c703a58e5de7b8b056beae4

SHA256
486481bfd1bf6defe2b145986aad0684638fc76112f1e2474bb5f6bd4e5f5d54

SHA512
e29d2162a49d1ceb1ff3d1110a8779c8ba1887a24c2db5debd3b04ea125ed74e16b626f278733a7aac4ae4aaa72285f7920a983ecd769aa3a78b833252c98d87

Download Submit
\Users\Admin\AppData\Local\Temp\nst8D8.tmp\cgibuti.dll

Filesize
153KB

MD5
9b081b4f84974a46cffcf1ef1a2e85f9

SHA1
70a1b83bad19d28195f2df22c3d213a04b42fb2b

SHA256
303f74df9812b639b66f919804039d1e295ffae8e543fa4349507110ac766752

SHA512
4539a458b1d2ba61ffcf71ea59addd13727d26606f73dbfb21053d68d5656010dae5791d486789c14653c6fb953a7dc284c3a80db2b1970a0e7f0778ab77dbbf

Download Submit
\Users\Admin\AppData\Local\Temp\nst8D8.tmp\nsisunz.dll

Filesize
40KB

MD5
5f13dbc378792f23e598079fc1e4422b

SHA1
5813c05802f15930aa860b8363af2b58426c8adf

SHA256
6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d

SHA512
9270635a5294482f49e0292e26d45dd103b85fe27dc163d44531b095c5f9dbde6b904adaf1a888ba3c112a094380394713c796f5195b2566a20f00b42b6578e5

Download Submit