Analysis
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max time kernel
122s -
max time network
124s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
29-03-2021 17:15
Static task
static1
Behavioral task
behavioral1
Sample
ret3e1.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
ret3e1.exe
Resource
win10v20201028
General
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Target
ret3e1.exe
Malware Config
Signatures
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Bazar Loader
Detected loader normally used to deploy BazarBackdoor malware.
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Bazar/Team9 Loader payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1340-2-0x0000000180000000-0x0000000180032000-memory.dmp BazarLoaderVar1 -
Executes dropped EXE 2 IoCs
Processes:
G339CEB.exeG339CEB.exepid process 1664 G339CEB.exe 1112 G339CEB.exe -
Loads dropped DLL 4 IoCs
Processes:
cmd.execmd.exepid process 1476 cmd.exe 1476 cmd.exe 1064 cmd.exe 1064 cmd.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
G339CEB.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\UIW5A0CO = "cmd.exe /c reg.exe add HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Run /f /v MTUUL24QY6D /t REG_SZ /d \"\\\"C:\\Users\\Admin\\AppData\\Local\\Temp\\G339CEB.exe\\\" KF790P\" & start \"H\" \"C:\\Users\\Admin\\AppData\\Local\\Temp\\G339CEB.exe\" KF790P" G339CEB.exe -
Runs ping.exe 1 TTPs 3 IoCs
Processes:
PING.EXEPING.EXEPING.EXEpid process 1000 PING.EXE 1836 PING.EXE 692 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
ret3e1.exepid process 1340 ret3e1.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
ret3e1.execmd.exeret3e1.execmd.exeG339CEB.execmd.exedescription pid process target process PID 1340 wrote to memory of 1632 1340 ret3e1.exe cmd.exe PID 1340 wrote to memory of 1632 1340 ret3e1.exe cmd.exe PID 1340 wrote to memory of 1632 1340 ret3e1.exe cmd.exe PID 1632 wrote to memory of 1000 1632 cmd.exe PING.EXE PID 1632 wrote to memory of 1000 1632 cmd.exe PING.EXE PID 1632 wrote to memory of 1000 1632 cmd.exe PING.EXE PID 1632 wrote to memory of 852 1632 cmd.exe ret3e1.exe PID 1632 wrote to memory of 852 1632 cmd.exe ret3e1.exe PID 1632 wrote to memory of 852 1632 cmd.exe ret3e1.exe PID 852 wrote to memory of 1476 852 ret3e1.exe cmd.exe PID 852 wrote to memory of 1476 852 ret3e1.exe cmd.exe PID 852 wrote to memory of 1476 852 ret3e1.exe cmd.exe PID 1476 wrote to memory of 1836 1476 cmd.exe PING.EXE PID 1476 wrote to memory of 1836 1476 cmd.exe PING.EXE PID 1476 wrote to memory of 1836 1476 cmd.exe PING.EXE PID 1476 wrote to memory of 1664 1476 cmd.exe G339CEB.exe PID 1476 wrote to memory of 1664 1476 cmd.exe G339CEB.exe PID 1476 wrote to memory of 1664 1476 cmd.exe G339CEB.exe PID 1664 wrote to memory of 1064 1664 G339CEB.exe cmd.exe PID 1664 wrote to memory of 1064 1664 G339CEB.exe cmd.exe PID 1664 wrote to memory of 1064 1664 G339CEB.exe cmd.exe PID 1064 wrote to memory of 692 1064 cmd.exe PING.EXE PID 1064 wrote to memory of 692 1064 cmd.exe PING.EXE PID 1064 wrote to memory of 692 1064 cmd.exe PING.EXE PID 1064 wrote to memory of 1112 1064 cmd.exe G339CEB.exe PID 1064 wrote to memory of 1112 1064 cmd.exe G339CEB.exe PID 1064 wrote to memory of 1112 1064 cmd.exe G339CEB.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ret3e1.exe"C:\Users\Admin\AppData\Local\Temp\ret3e1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.execmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\ret3e1.exe OORC2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping 8.8.8.8 -n 23⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Temp\ret3e1.exeC:\Users\Admin\AppData\Local\Temp\ret3e1.exe OORC3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.execmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\G339CEB.exe TET8G4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping 8.8.8.8 -n 25⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Temp\G339CEB.exeC:\Users\Admin\AppData\Local\Temp\G339CEB.exe TET8G5⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.execmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\G339CEB.exe KF790P6⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping 8.8.8.8 -n 27⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Temp\G339CEB.exeC:\Users\Admin\AppData\Local\Temp\G339CEB.exe KF790P7⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\G339CEB.exeMD5
efa4b2e7d7016a1f80efff5840de3a18
SHA104606786daa6313867c7ada1f0c9c925d9b602fb
SHA256291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b
SHA51211446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced
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C:\Users\Admin\AppData\Local\Temp\G339CEB.exeMD5
efa4b2e7d7016a1f80efff5840de3a18
SHA104606786daa6313867c7ada1f0c9c925d9b602fb
SHA256291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b
SHA51211446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced
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C:\Users\Admin\AppData\Local\Temp\G339CEB.exeMD5
efa4b2e7d7016a1f80efff5840de3a18
SHA104606786daa6313867c7ada1f0c9c925d9b602fb
SHA256291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b
SHA51211446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced
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\??\PIPE\wkssvcMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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\Users\Admin\AppData\Local\Temp\G339CEB.exeMD5
efa4b2e7d7016a1f80efff5840de3a18
SHA104606786daa6313867c7ada1f0c9c925d9b602fb
SHA256291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b
SHA51211446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced
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\Users\Admin\AppData\Local\Temp\G339CEB.exeMD5
efa4b2e7d7016a1f80efff5840de3a18
SHA104606786daa6313867c7ada1f0c9c925d9b602fb
SHA256291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b
SHA51211446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced
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\Users\Admin\AppData\Local\Temp\G339CEB.exeMD5
efa4b2e7d7016a1f80efff5840de3a18
SHA104606786daa6313867c7ada1f0c9c925d9b602fb
SHA256291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b
SHA51211446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced
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\Users\Admin\AppData\Local\Temp\G339CEB.exeMD5
efa4b2e7d7016a1f80efff5840de3a18
SHA104606786daa6313867c7ada1f0c9c925d9b602fb
SHA256291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b
SHA51211446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced
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memory/692-17-0x0000000000000000-mapping.dmp
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memory/852-5-0x0000000000000000-mapping.dmp
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memory/1000-4-0x0000000000000000-mapping.dmp
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memory/1064-16-0x0000000000000000-mapping.dmp
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memory/1112-20-0x0000000000000000-mapping.dmp
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memory/1340-2-0x0000000180000000-0x0000000180032000-memory.dmpFilesize
200KB
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memory/1476-7-0x0000000000000000-mapping.dmp
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memory/1632-3-0x0000000000000000-mapping.dmp
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memory/1664-12-0x0000000000000000-mapping.dmp
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memory/1836-8-0x0000000000000000-mapping.dmp