1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b

General

Target
1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe
Size 766KB
Sample260626-lezxaaaz2k
SHA256 1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b
MD5 405dba47e2b03f53db2101444e6a925c
SHA1 ed769ff77f46730a9b58a111c52f9e498ec00838
SHA512 3628944242f0b9d80204dfddcea4189ee7f703ba4498c6a818c83d570d97477ec1273270fef65e993cb0f6bed2d0c915cd3d68a5b35375e257a3879f4859c869
SSDEEP 12288:Qq9hmQkwvH0pmjqM31df4NIAOCIWL92Tnhz0ehT2LPXvLtJ:TpkwMpm+i1dfcjIw921z0GT2Dvb
TLSH
T165F47D21B280D437D2631A78DC2BAAF9582D7E11E6A868577BE83E4F3F347853514387
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3730367222-316663987-825798519-1000\Software\Microsoft\Windows\CurrentVersion\Run\zam = "C:\\Users\\Admin\\AppData\\Roaming\\zam\\zam.exe"	iexplore.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 5640 set thread context of 5732	5640	1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe	91
PID 5640 set thread context of 7116	5640	1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe	92
PID 5640 set thread context of 5060	5640	1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe	93
PID 5640 set thread context of 6300	5640	1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe	95

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
behavioral2/memory/5732-6-0x0000000013140000-0x0000000013B98000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

System Language Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5732	iexplore.exe
5732	iexplore.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5640 wrote to memory of 5732	5640	1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe	91
PID 5640 wrote to memory of 5732	5640	1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe	91
PID 5640 wrote to memory of 7116	5640	1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe	92
PID 5640 wrote to memory of 7116	5640	1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe	92
PID 5640 wrote to memory of 5060	5640	1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe	93
PID 5640 wrote to memory of 5060	5640	1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe	93
PID 5640 wrote to memory of 6300	5640	1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe	95
PID 5640 wrote to memory of 6300	5640	1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe	95

C:\Users\Admin\AppData\Local\Temp\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe
"C:\Users\Admin\AppData\Local\Temp\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5640
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:5732
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:7116
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5060
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:6300