21c3006f3a7d779db187f1236d1deb0a6a8b598d3e91014d6ea55de1f0514a61

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/02/2024, 04:09

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General

Target

987080eb9b427abf6963c965f0df5d14.exe
Size

583KB
MD5

987080eb9b427abf6963c965f0df5d14
SHA1

f627cdb543aa00dbdde3f27ad1a956e982e973c4
SHA256

21c3006f3a7d779db187f1236d1deb0a6a8b598d3e91014d6ea55de1f0514a61
SHA512

881e6a2a96ca72ca07d54498380ac331f955ba5b090aa8c86dcfe44b2800a72a2d76be2906e4f3a3878a7ea55769d382d87c45290d3ab769a58a9bd963b453d5
SSDEEP

12288:ZDzR23Nj3l//4QNtGZtZuRBEcu3mftMeyArcq5tCf66FI:ZDzi//4QNsZtZMG3mftRyAlDCfA

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2704	bccbcabebbbig.exe

Loads dropped DLL 10 IoCs

pid	Process
2552	987080eb9b427abf6963c965f0df5d14.exe
2552	987080eb9b427abf6963c965f0df5d14.exe
2552	987080eb9b427abf6963c965f0df5d14.exe
864	WerFault.exe
864	WerFault.exe
864	WerFault.exe
864	WerFault.exe
864	WerFault.exe
864	WerFault.exe
864	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
864	2704	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2744	wmic.exe
Token: SeSecurityPrivilege	2744	wmic.exe
Token: SeTakeOwnershipPrivilege	2744	wmic.exe
Token: SeLoadDriverPrivilege	2744	wmic.exe
Token: SeSystemProfilePrivilege	2744	wmic.exe
Token: SeSystemtimePrivilege	2744	wmic.exe
Token: SeProfSingleProcessPrivilege	2744	wmic.exe
Token: SeIncBasePriorityPrivilege	2744	wmic.exe
Token: SeCreatePagefilePrivilege	2744	wmic.exe
Token: SeBackupPrivilege	2744	wmic.exe
Token: SeRestorePrivilege	2744	wmic.exe
Token: SeShutdownPrivilege	2744	wmic.exe
Token: SeDebugPrivilege	2744	wmic.exe
Token: SeSystemEnvironmentPrivilege	2744	wmic.exe
Token: SeRemoteShutdownPrivilege	2744	wmic.exe
Token: SeUndockPrivilege	2744	wmic.exe
Token: SeManageVolumePrivilege	2744	wmic.exe
Token: 33	2744	wmic.exe
Token: 34	2744	wmic.exe
Token: 35	2744	wmic.exe
Token: SeIncreaseQuotaPrivilege	2744	wmic.exe
Token: SeSecurityPrivilege	2744	wmic.exe
Token: SeTakeOwnershipPrivilege	2744	wmic.exe
Token: SeLoadDriverPrivilege	2744	wmic.exe
Token: SeSystemProfilePrivilege	2744	wmic.exe
Token: SeSystemtimePrivilege	2744	wmic.exe
Token: SeProfSingleProcessPrivilege	2744	wmic.exe
Token: SeIncBasePriorityPrivilege	2744	wmic.exe
Token: SeCreatePagefilePrivilege	2744	wmic.exe
Token: SeBackupPrivilege	2744	wmic.exe
Token: SeRestorePrivilege	2744	wmic.exe
Token: SeShutdownPrivilege	2744	wmic.exe
Token: SeDebugPrivilege	2744	wmic.exe
Token: SeSystemEnvironmentPrivilege	2744	wmic.exe
Token: SeRemoteShutdownPrivilege	2744	wmic.exe
Token: SeUndockPrivilege	2744	wmic.exe
Token: SeManageVolumePrivilege	2744	wmic.exe
Token: 33	2744	wmic.exe
Token: 34	2744	wmic.exe
Token: 35	2744	wmic.exe
Token: SeIncreaseQuotaPrivilege	2756	wmic.exe
Token: SeSecurityPrivilege	2756	wmic.exe
Token: SeTakeOwnershipPrivilege	2756	wmic.exe
Token: SeLoadDriverPrivilege	2756	wmic.exe
Token: SeSystemProfilePrivilege	2756	wmic.exe
Token: SeSystemtimePrivilege	2756	wmic.exe
Token: SeProfSingleProcessPrivilege	2756	wmic.exe
Token: SeIncBasePriorityPrivilege	2756	wmic.exe
Token: SeCreatePagefilePrivilege	2756	wmic.exe
Token: SeBackupPrivilege	2756	wmic.exe
Token: SeRestorePrivilege	2756	wmic.exe
Token: SeShutdownPrivilege	2756	wmic.exe
Token: SeDebugPrivilege	2756	wmic.exe
Token: SeSystemEnvironmentPrivilege	2756	wmic.exe
Token: SeRemoteShutdownPrivilege	2756	wmic.exe
Token: SeUndockPrivilege	2756	wmic.exe
Token: SeManageVolumePrivilege	2756	wmic.exe
Token: 33	2756	wmic.exe
Token: 34	2756	wmic.exe
Token: 35	2756	wmic.exe
Token: SeIncreaseQuotaPrivilege	2732	wmic.exe
Token: SeSecurityPrivilege	2732	wmic.exe
Token: SeTakeOwnershipPrivilege	2732	wmic.exe
Token: SeLoadDriverPrivilege	2732	wmic.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2704	2552	987080eb9b427abf6963c965f0df5d14.exe	28
PID 2552 wrote to memory of 2704	2552	987080eb9b427abf6963c965f0df5d14.exe	28
PID 2552 wrote to memory of 2704	2552	987080eb9b427abf6963c965f0df5d14.exe	28
PID 2552 wrote to memory of 2704	2552	987080eb9b427abf6963c965f0df5d14.exe	28
PID 2704 wrote to memory of 2744	2704	bccbcabebbbig.exe	30
PID 2704 wrote to memory of 2744	2704	bccbcabebbbig.exe	30
PID 2704 wrote to memory of 2744	2704	bccbcabebbbig.exe	30
PID 2704 wrote to memory of 2744	2704	bccbcabebbbig.exe	30
PID 2704 wrote to memory of 2756	2704	bccbcabebbbig.exe	32
PID 2704 wrote to memory of 2756	2704	bccbcabebbbig.exe	32
PID 2704 wrote to memory of 2756	2704	bccbcabebbbig.exe	32
PID 2704 wrote to memory of 2756	2704	bccbcabebbbig.exe	32
PID 2704 wrote to memory of 2732	2704	bccbcabebbbig.exe	35
PID 2704 wrote to memory of 2732	2704	bccbcabebbbig.exe	35
PID 2704 wrote to memory of 2732	2704	bccbcabebbbig.exe	35
PID 2704 wrote to memory of 2732	2704	bccbcabebbbig.exe	35
PID 2704 wrote to memory of 2600	2704	bccbcabebbbig.exe	37
PID 2704 wrote to memory of 2600	2704	bccbcabebbbig.exe	37
PID 2704 wrote to memory of 2600	2704	bccbcabebbbig.exe	37
PID 2704 wrote to memory of 2600	2704	bccbcabebbbig.exe	37
PID 2704 wrote to memory of 2492	2704	bccbcabebbbig.exe	39
PID 2704 wrote to memory of 2492	2704	bccbcabebbbig.exe	39
PID 2704 wrote to memory of 2492	2704	bccbcabebbbig.exe	39
PID 2704 wrote to memory of 2492	2704	bccbcabebbbig.exe	39
PID 2704 wrote to memory of 864	2704	bccbcabebbbig.exe	40
PID 2704 wrote to memory of 864	2704	bccbcabebbbig.exe	40
PID 2704 wrote to memory of 864	2704	bccbcabebbbig.exe	40
PID 2704 wrote to memory of 864	2704	bccbcabebbbig.exe	40

C:\Users\Admin\AppData\Local\Temp\987080eb9b427abf6963c965f0df5d14.exe
"C:\Users\Admin\AppData\Local\Temp\987080eb9b427abf6963c965f0df5d14.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Users\Admin\AppData\Local\Temp\bccbcabebbbig.exe
  C:\Users\Admin\AppData\Local\Temp\bccbcabebbbig.exe 2-4-5-4-7-6-4-7-8-8-0 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
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81707797374.txt bios get serialnumber
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2744
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81707797374.txt bios get version
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2756
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81707797374.txt bios get version
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2732
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81707797374.txt bios get version
    3⤵
    PID:2600
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81707797374.txt bios get version
    3⤵
    PID:2492
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 368
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:864

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\81707797374.txt

Filesize
66B

MD5
9025468f85256136f923096b01375964

SHA1
7fcd174999661594fa5f88890ffb195e9858cc52

SHA256
d5418014fa8e6e17d8992fd12c0dfecac8a34855603ea58133e87ea09c2130df

SHA512
92cac37c332e6e276a963d659986a79a79867df44682bfc2d77ed7784ffa5e2c149e5960a83d03ef4cf171be40a73e93a110aaa53b95152fa9a9da6b41d31e51

Download Submit
C:\Users\Admin\AppData\Local\Temp\bccbcabebbbig.exe

Filesize
447KB

MD5
4d7f58160c1f67923af1597f7564fc50

SHA1
018777ae9c25dc5465cccbd7b690e143d0eac288

SHA256
3b3f7d8c909a5e45c0b4625ebcae16004531e9ce46992e214da381f49f76a1a4

SHA512
be5682057ec68e3564dd12135c714fbdb08c5483dcc634964f4792000306d860256819c335fb611d686327bd7435c33fc6ab54eefc09aba42da01f3c3f78a33a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsoD4B.tmp\ooi.dll

Filesize
122KB

MD5
2690b36fa914f15c6532dbc1a4f1158d

SHA1
8f0d38bcb9081058c8c249b12994004f5115c70e

SHA256
70f39e836f56eee07099c64d28dda45cf3176eb808f38833b732fb5b5318accb

SHA512
d2092cfc876ff2fb0686b577a6ef82dca43ec3eb91c7547103f34bbc88b3fbe93c67a864f0501aa4f07b004c0493fda6822292247623bbc30de2a6ff9ecd00c0

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

Filesize
478KB

MD5
56d26a2e18a0fe963f6bfb08ca237a05

SHA1
7f94d6aee79b69935cadcc698c89b72fe4ef9bfe

SHA256
592161d74fe1b4a002cdec048bfe407504df989148c9de75c089317d93ce56fa

SHA512
81ca4c5b39b2f89f9e64930b65ce35887df66e46aeb52953540116f483d21fec3129dd996978f33f422201bed5d06453ae0a5a4df33aaaf5aaae4358730dafec

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

Filesize
828KB

MD5
0adc7f537666ffe70bd29be8db85bdc3

SHA1
c831f7a9e8a396bd5875761b161668cb0de7ffbd

SHA256
efbf640d2c280d09e617809b9dc4c70a2383ee40a2f1fee8456296b8b38f78de

SHA512
5a612bcf062a8b3625fc8282cad6961a1909f1f4c3252647bf89e4c335b2d1660bb361fd0ed345bd91798eab0e5705daf9578cff78db0aa620417a8d9a2bf262

Download Submit
\Users\Admin\AppData\Local\Temp\nsoD4B.tmp\nsisunz.dll

Filesize
40KB

MD5
5f13dbc378792f23e598079fc1e4422b

SHA1
5813c05802f15930aa860b8363af2b58426c8adf

SHA256
6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d

SHA512
9270635a5294482f49e0292e26d45dd103b85fe27dc163d44531b095c5f9dbde6b904adaf1a888ba3c112a094380394713c796f5195b2566a20f00b42b6578e5

Download Submit