1599f79faa2eec5675f8d49bfda006066ab1e726fd7c1ebbf7d8866faf06d794

Analysis

max time kernel
145s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 00:23

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General

Target

461e1ab17434e71f805dd52e3ed3bd9c.exe
Size

583KB
MD5

461e1ab17434e71f805dd52e3ed3bd9c
SHA1

526caa5fba652ff3065fe07db4ea71d90e7fe3a3
SHA256

1599f79faa2eec5675f8d49bfda006066ab1e726fd7c1ebbf7d8866faf06d794
SHA512

730c4d399e5a80dc07b4a968238f970408e772c40c3271d58cde16cb472829c5981e123e68a095ef66f1ef8aebddfaf2ebae3af2ee5c2a23dd108919916be29f
SSDEEP

12288:fYEu3ONKVAJ1DCgQ858ErdsRRlQsgL6ZetSjf66F9:fYEMONv1+88AoRqs26Z5fl

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4892	bccccabedebff.exe

Loads dropped DLL 2 IoCs

pid	Process
1820	461e1ab17434e71f805dd52e3ed3bd9c.exe
1820	461e1ab17434e71f805dd52e3ed3bd9c.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
4388	4892	WerFault.exe	34

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3576	wmic.exe
Token: SeSecurityPrivilege	3576	wmic.exe
Token: SeTakeOwnershipPrivilege	3576	wmic.exe
Token: SeLoadDriverPrivilege	3576	wmic.exe
Token: SeSystemProfilePrivilege	3576	wmic.exe
Token: SeSystemtimePrivilege	3576	wmic.exe
Token: SeProfSingleProcessPrivilege	3576	wmic.exe
Token: SeIncBasePriorityPrivilege	3576	wmic.exe
Token: SeCreatePagefilePrivilege	3576	wmic.exe
Token: SeBackupPrivilege	3576	wmic.exe
Token: SeRestorePrivilege	3576	wmic.exe
Token: SeShutdownPrivilege	3576	wmic.exe
Token: SeDebugPrivilege	3576	wmic.exe
Token: SeSystemEnvironmentPrivilege	3576	wmic.exe
Token: SeRemoteShutdownPrivilege	3576	wmic.exe
Token: SeUndockPrivilege	3576	wmic.exe
Token: SeManageVolumePrivilege	3576	wmic.exe
Token: 33	3576	wmic.exe
Token: 34	3576	wmic.exe
Token: 35	3576	wmic.exe
Token: 36	3576	wmic.exe
Token: SeIncreaseQuotaPrivilege	3576	wmic.exe
Token: SeSecurityPrivilege	3576	wmic.exe
Token: SeTakeOwnershipPrivilege	3576	wmic.exe
Token: SeLoadDriverPrivilege	3576	wmic.exe
Token: SeSystemProfilePrivilege	3576	wmic.exe
Token: SeSystemtimePrivilege	3576	wmic.exe
Token: SeProfSingleProcessPrivilege	3576	wmic.exe
Token: SeIncBasePriorityPrivilege	3576	wmic.exe
Token: SeCreatePagefilePrivilege	3576	wmic.exe
Token: SeBackupPrivilege	3576	wmic.exe
Token: SeRestorePrivilege	3576	wmic.exe
Token: SeShutdownPrivilege	3576	wmic.exe
Token: SeDebugPrivilege	3576	wmic.exe
Token: SeSystemEnvironmentPrivilege	3576	wmic.exe
Token: SeRemoteShutdownPrivilege	3576	wmic.exe
Token: SeUndockPrivilege	3576	wmic.exe
Token: SeManageVolumePrivilege	3576	wmic.exe
Token: 33	3576	wmic.exe
Token: 34	3576	wmic.exe
Token: 35	3576	wmic.exe
Token: 36	3576	wmic.exe
Token: SeIncreaseQuotaPrivilege	656	wmic.exe
Token: SeSecurityPrivilege	656	wmic.exe
Token: SeTakeOwnershipPrivilege	656	wmic.exe
Token: SeLoadDriverPrivilege	656	wmic.exe
Token: SeSystemProfilePrivilege	656	wmic.exe
Token: SeSystemtimePrivilege	656	wmic.exe
Token: SeProfSingleProcessPrivilege	656	wmic.exe
Token: SeIncBasePriorityPrivilege	656	wmic.exe
Token: SeCreatePagefilePrivilege	656	wmic.exe
Token: SeBackupPrivilege	656	wmic.exe
Token: SeRestorePrivilege	656	wmic.exe
Token: SeShutdownPrivilege	656	wmic.exe
Token: SeDebugPrivilege	656	wmic.exe
Token: SeSystemEnvironmentPrivilege	656	wmic.exe
Token: SeRemoteShutdownPrivilege	656	wmic.exe
Token: SeUndockPrivilege	656	wmic.exe
Token: SeManageVolumePrivilege	656	wmic.exe
Token: 33	656	wmic.exe
Token: 34	656	wmic.exe
Token: 35	656	wmic.exe
Token: 36	656	wmic.exe
Token: SeIncreaseQuotaPrivilege	656	wmic.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 4892	1820	461e1ab17434e71f805dd52e3ed3bd9c.exe	34
PID 1820 wrote to memory of 4892	1820	461e1ab17434e71f805dd52e3ed3bd9c.exe	34
PID 1820 wrote to memory of 4892	1820	461e1ab17434e71f805dd52e3ed3bd9c.exe	34
PID 4892 wrote to memory of 3576	4892	bccccabedebff.exe	92
PID 4892 wrote to memory of 3576	4892	bccccabedebff.exe	92
PID 4892 wrote to memory of 3576	4892	bccccabedebff.exe	92
PID 4892 wrote to memory of 656	4892	bccccabedebff.exe	102
PID 4892 wrote to memory of 656	4892	bccccabedebff.exe	102
PID 4892 wrote to memory of 656	4892	bccccabedebff.exe	102
PID 4892 wrote to memory of 3716	4892	bccccabedebff.exe	97
PID 4892 wrote to memory of 3716	4892	bccccabedebff.exe	97
PID 4892 wrote to memory of 3716	4892	bccccabedebff.exe	97
PID 4892 wrote to memory of 4192	4892	bccccabedebff.exe	101
PID 4892 wrote to memory of 4192	4892	bccccabedebff.exe	101
PID 4892 wrote to memory of 4192	4892	bccccabedebff.exe	101
PID 4892 wrote to memory of 4732	4892	bccccabedebff.exe	100
PID 4892 wrote to memory of 4732	4892	bccccabedebff.exe	100
PID 4892 wrote to memory of 4732	4892	bccccabedebff.exe	100

C:\Users\Admin\AppData\Local\Temp\461e1ab17434e71f805dd52e3ed3bd9c.exe
"C:\Users\Admin\AppData\Local\Temp\461e1ab17434e71f805dd52e3ed3bd9c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Users\Admin\AppData\Local\Temp\bccccabedebff.exe
  C:\Users\Admin\AppData\Local\Temp\bccccabedebff.exe 2-4-1-2-5-8-8-0-9-5-5 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
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4892
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81704177096.txt bios get serialnumber
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3576
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81704177096.txt bios get version
    3⤵
    PID:3716
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81704177096.txt bios get version
    3⤵
    PID:4732
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81704177096.txt bios get version
    3⤵
    PID:4192
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81704177096.txt bios get version
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 984
    3⤵
    - Program crash
    PID:4388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4892 -ip 4892
1⤵
PID:1496

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\81704177096.txt

Filesize
66B

MD5
9025468f85256136f923096b01375964

SHA1
7fcd174999661594fa5f88890ffb195e9858cc52

SHA256
d5418014fa8e6e17d8992fd12c0dfecac8a34855603ea58133e87ea09c2130df

SHA512
92cac37c332e6e276a963d659986a79a79867df44682bfc2d77ed7784ffa5e2c149e5960a83d03ef4cf171be40a73e93a110aaa53b95152fa9a9da6b41d31e51

Download Submit
C:\Users\Admin\AppData\Local\Temp\81704177096.txt

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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C:\Users\Admin\AppData\Local\Temp\81704177096.txt

Filesize
58B

MD5
dd876faf0fd44a5fab3e82368e2e8b15

SHA1
01b04083fa278dda3a81705ca5abcfee487a3c90

SHA256
5602490a82bcacec8797d25cbb6f643fc9e69f89a2f0e6ec1e8d1f568e77a6b9

SHA512
e03d1def5b7fb0ed01a414cead199229ec0e153ff831d3ff5dd36c320572084c56a5e1369c753f868c855455758c0d308941b6187c348051419bd937d014cb8b

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C:\Users\Admin\AppData\Local\Temp\nsk7A9F.tmp\nsisunz.dll

Filesize
40KB

MD5
5f13dbc378792f23e598079fc1e4422b

SHA1
5813c05802f15930aa860b8363af2b58426c8adf

SHA256
6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d

SHA512
9270635a5294482f49e0292e26d45dd103b85fe27dc163d44531b095c5f9dbde6b904adaf1a888ba3c112a094380394713c796f5195b2566a20f00b42b6578e5

Download Submit