99b1a562b2c3401866f1457cc680dba8143a1103d3daa38ad8644017d9590b7f

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01-10-2022 23:50

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General

Target

Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe
Size

108KB
MD5

71e0f78dcd1cce7228fe59c84a747f5b
SHA1

e8766e450ea32561ddb8e3345ef874747c027f38
SHA256

77fb921aa011f3049c6bebbff4dbedf6382bd61db9b4960c998525eed3ae0df7
SHA512

a13fa7c569581c1d1009418fa359ea23d1a9295e080e6c8de7c2135a1c8b44ced15fe6f4bcf21f951fe1d9ed6d483cca919d4fc5f7b480e7991cc185eac2c0b5
SSDEEP

1536:gbrsQF67YR4+mwLcxscchhvHslMgcXAMSw9YrRPxFZCIXYyOjxmixwD5qogxkfpm:eekR4+Lws3yMJwMS/pCjXx/oQ2m

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1712	dsecflnahf.pre
1444	dsecflnahf.pre

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1988-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1988-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1988-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1988-63-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1988-64-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1988-68-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1444-90-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1600	ctfmon.exe

Loads dropped DLL 3 IoCs

pid	Process
1600	ctfmon.exe
1600	ctfmon.exe
1712	dsecflnahf.pre

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\tmktcrnu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Vlmpkgrqe\\krsryicrnu.exe"	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 1988	1996	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	28
PID 1712 set thread context of 1444	1712	dsecflnahf.pre	31

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1996	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe
1996	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe
1712	dsecflnahf.pre
1712	dsecflnahf.pre

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1996	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe
1996	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe
1712	dsecflnahf.pre
1712	dsecflnahf.pre

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1988	1996	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	28
PID 1996 wrote to memory of 1988	1996	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	28
PID 1996 wrote to memory of 1988	1996	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	28
PID 1996 wrote to memory of 1988	1996	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	28
PID 1996 wrote to memory of 1988	1996	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	28
PID 1996 wrote to memory of 1988	1996	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	28
PID 1996 wrote to memory of 1988	1996	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	28
PID 1996 wrote to memory of 1988	1996	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	28
PID 1988 wrote to memory of 1600	1988	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	29
PID 1988 wrote to memory of 1600	1988	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	29
PID 1988 wrote to memory of 1600	1988	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	29
PID 1988 wrote to memory of 1600	1988	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	29
PID 1988 wrote to memory of 1600	1988	Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe	29
PID 1600 wrote to memory of 1712	1600	ctfmon.exe	30
PID 1600 wrote to memory of 1712	1600	ctfmon.exe	30
PID 1600 wrote to memory of 1712	1600	ctfmon.exe	30
PID 1600 wrote to memory of 1712	1600	ctfmon.exe	30
PID 1712 wrote to memory of 1444	1712	dsecflnahf.pre	31
PID 1712 wrote to memory of 1444	1712	dsecflnahf.pre	31
PID 1712 wrote to memory of 1444	1712	dsecflnahf.pre	31
PID 1712 wrote to memory of 1444	1712	dsecflnahf.pre	31
PID 1712 wrote to memory of 1444	1712	dsecflnahf.pre	31
PID 1712 wrote to memory of 1444	1712	dsecflnahf.pre	31
PID 1712 wrote to memory of 1444	1712	dsecflnahf.pre	31
PID 1712 wrote to memory of 1444	1712	dsecflnahf.pre	31
PID 1444 wrote to memory of 1772	1444	dsecflnahf.pre	32
PID 1444 wrote to memory of 1772	1444	dsecflnahf.pre	32
PID 1444 wrote to memory of 1772	1444	dsecflnahf.pre	32
PID 1444 wrote to memory of 1772	1444	dsecflnahf.pre	32
PID 1444 wrote to memory of 1772	1444	dsecflnahf.pre	32

C:\Users\Admin\AppData\Local\Temp\Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe
"C:\Users\Admin\AppData\Local\Temp\Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe
  "C:\Users\Admin\AppData\Local\Temp\Anwaltschaft Kostenrechnung fur Kaufmann Alexander 25.06.2013 Conrad Online GmbH.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Windows\SysWOW64\ctfmon.exe
    ctfmon.exe
    3⤵
    - Deletes itself
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1600
  - - C:\Users\Admin\AppData\Local\Temp\dsecflnahf.pre
      C:\Users\Admin\AppData\Local\Temp\dsecflnahf.pre
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1712
    - - C:\Users\Admin\AppData\Local\Temp\dsecflnahf.pre
        
        C:\Users\Admin\AppData\Local\Temp\dsecflnahf.pre
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1444
      - C:\Windows\SysWOW64\svchost.exe
        
        svchost.exe
        6⤵
        Adds Run key to start application
        
        PID:1772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\dsecflnahf.pre

Filesize
108KB

MD5
71e0f78dcd1cce7228fe59c84a747f5b

SHA1
e8766e450ea32561ddb8e3345ef874747c027f38

SHA256
77fb921aa011f3049c6bebbff4dbedf6382bd61db9b4960c998525eed3ae0df7

SHA512
a13fa7c569581c1d1009418fa359ea23d1a9295e080e6c8de7c2135a1c8b44ced15fe6f4bcf21f951fe1d9ed6d483cca919d4fc5f7b480e7991cc185eac2c0b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\dsecflnahf.pre

Filesize
108KB

MD5
71e0f78dcd1cce7228fe59c84a747f5b

SHA1
e8766e450ea32561ddb8e3345ef874747c027f38

SHA256
77fb921aa011f3049c6bebbff4dbedf6382bd61db9b4960c998525eed3ae0df7

SHA512
a13fa7c569581c1d1009418fa359ea23d1a9295e080e6c8de7c2135a1c8b44ced15fe6f4bcf21f951fe1d9ed6d483cca919d4fc5f7b480e7991cc185eac2c0b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\dsecflnahf.pre

Filesize
108KB

MD5
71e0f78dcd1cce7228fe59c84a747f5b

SHA1
e8766e450ea32561ddb8e3345ef874747c027f38

SHA256
77fb921aa011f3049c6bebbff4dbedf6382bd61db9b4960c998525eed3ae0df7

SHA512
a13fa7c569581c1d1009418fa359ea23d1a9295e080e6c8de7c2135a1c8b44ced15fe6f4bcf21f951fe1d9ed6d483cca919d4fc5f7b480e7991cc185eac2c0b5

Download Submit
\Users\Admin\AppData\Local\Temp\dsecflnahf.pre

Filesize
108KB

MD5
71e0f78dcd1cce7228fe59c84a747f5b

SHA1
e8766e450ea32561ddb8e3345ef874747c027f38

SHA256
77fb921aa011f3049c6bebbff4dbedf6382bd61db9b4960c998525eed3ae0df7

SHA512
a13fa7c569581c1d1009418fa359ea23d1a9295e080e6c8de7c2135a1c8b44ced15fe6f4bcf21f951fe1d9ed6d483cca919d4fc5f7b480e7991cc185eac2c0b5

Download Submit
\Users\Admin\AppData\Local\Temp\dsecflnahf.pre

Filesize
108KB

MD5
71e0f78dcd1cce7228fe59c84a747f5b

SHA1
e8766e450ea32561ddb8e3345ef874747c027f38

SHA256
77fb921aa011f3049c6bebbff4dbedf6382bd61db9b4960c998525eed3ae0df7

SHA512
a13fa7c569581c1d1009418fa359ea23d1a9295e080e6c8de7c2135a1c8b44ced15fe6f4bcf21f951fe1d9ed6d483cca919d4fc5f7b480e7991cc185eac2c0b5

Download Submit
\Users\Admin\AppData\Local\Temp\dsecflnahf.pre

Filesize
108KB

MD5
71e0f78dcd1cce7228fe59c84a747f5b

SHA1
e8766e450ea32561ddb8e3345ef874747c027f38

SHA256
77fb921aa011f3049c6bebbff4dbedf6382bd61db9b4960c998525eed3ae0df7

SHA512
a13fa7c569581c1d1009418fa359ea23d1a9295e080e6c8de7c2135a1c8b44ced15fe6f4bcf21f951fe1d9ed6d483cca919d4fc5f7b480e7991cc185eac2c0b5

Download Submit
memory/1444-90-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1600-69-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/1600-65-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/1772-91-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/1772-92-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/1988-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1988-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1988-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1988-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1988-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1988-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1988-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1996-61-0x00000000003E0000-0x00000000003E4000-memory.dmp

Filesize
16KB

Download
memory/1996-54-0x0000000075281000-0x0000000075283000-memory.dmp

Filesize
8KB

Download