f0934dce9880901a78ecee869dc30e73e7590139d61dac76253d1fc2aa40dfdf

General

Target

bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe
Size

128KB
MD5

bef8b24a626d99a3d41257061679339e
SHA1

e7eb63483cf9161860ec4800db41280644485e8f
SHA256

f0934dce9880901a78ecee869dc30e73e7590139d61dac76253d1fc2aa40dfdf
SHA512

8ad92946f15c078c4eccb2cccf0a429b540aee68d454e8b01e825ec3f083ac960d1d785daac73e6bf32f6ea4b73298a4f4413627c1cec8751a54c135344fa524
SSDEEP

3072:Hk5befKvym0qeWLnsi5VildHCzU4tf0dj0Sq9Fv8S4LBtlu2h8Zshri:Hkptym7Lsi5VgBCDGjqFv8Ff0cr

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1792	~tmp00156.exe
2768	~tmp00157.exe

Loads dropped DLL 11 IoCs

pid	Process
2444	bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe
2444	bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe
2060	WerFault.exe
2060	WerFault.exe
2060	WerFault.exe
2060	WerFault.exe
2060	WerFault.exe
2060	WerFault.exe
2444	bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe
2444	bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe
2060	WerFault.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\reset5c.dll	~tmp00157.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2768 set thread context of 2404	2768	~tmp00157.exe	33

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
2060	1792	WerFault.exe	30

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	~tmp00156.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	~tmp00157.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2768	~tmp00157.exe
2768	~tmp00157.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2768	~tmp00157.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2768	~tmp00157.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 1792	2444	bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe	30
PID 2444 wrote to memory of 1792	2444	bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe	30
PID 2444 wrote to memory of 1792	2444	bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe	30
PID 2444 wrote to memory of 1792	2444	bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe	30
PID 1792 wrote to memory of 2060	1792	~tmp00156.exe	31
PID 1792 wrote to memory of 2060	1792	~tmp00156.exe	31
PID 1792 wrote to memory of 2060	1792	~tmp00156.exe	31
PID 1792 wrote to memory of 2060	1792	~tmp00156.exe	31
PID 2444 wrote to memory of 2768	2444	bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe	32
PID 2444 wrote to memory of 2768	2444	bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe	32
PID 2444 wrote to memory of 2768	2444	bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe	32
PID 2444 wrote to memory of 2768	2444	bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe	32
PID 2768 wrote to memory of 492	2768	~tmp00157.exe	7
PID 2768 wrote to memory of 2404	2768	~tmp00157.exe	33
PID 2768 wrote to memory of 2404	2768	~tmp00157.exe	33
PID 2768 wrote to memory of 2404	2768	~tmp00157.exe	33
PID 2768 wrote to memory of 2404	2768	~tmp00157.exe	33
PID 2768 wrote to memory of 2404	2768	~tmp00157.exe	33
PID 2768 wrote to memory of 2132	2768	~tmp00157.exe	34
PID 2768 wrote to memory of 2132	2768	~tmp00157.exe	34
PID 2768 wrote to memory of 2132	2768	~tmp00157.exe	34
PID 2768 wrote to memory of 2132	2768	~tmp00157.exe	34

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:492

C:\Users\Admin\AppData\Local\Temp\bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bef8b24a626d99a3d41257061679339e_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Users\Admin\Documents\~tmp00156.exe
  C:\Users\Admin\Documents\~tmp00156.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 92
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2060
- C:\Users\Admin\Documents\~tmp00157.exe
  C:\Users\Admin\Documents\~tmp00157.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2404
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\DOCUME~1\~TMP00~2.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Documents\~tmp00156.exe

Filesize
46KB

MD5
69cef5c918cb4812d31cd400986e3948

SHA1
ee8a10e13a9f23ae79e44ebe74a6804aa32a651f

SHA256
91eb03d1d0b11b4d5a5b458b9bd2e01d5783c9cf21fa4bce2f0b49f27cb43535

SHA512
2ed02bd5e0d1012faf9ee7239060a82c7f6c315178fecdd729b8472763d71cab8133d622fe0a3f3c79375f346a156bbb6342151800ab8aa01eafb252bc7e6f49

Download Submit
\Users\Admin\Documents\~tmp00157.exe

Filesize
51KB

MD5
41530477eeed6290291232f894032330

SHA1
f1dc8c8afab51e6836157d21731ddb51b9534090

SHA256
f1faf01bd350aa0038202b416f0b06c0e0fc5bfae30ddf07b3d63c6aed4e5ea9

SHA512
6ef9513653da16e91661f4cbd10ceb8809bbf841e070b9a4b72acee15df64cf394088e66bd4ce16bd96544b8788a07c31a6f5c06435f9694aa4939e78a410f57

Download Submit
memory/492-28-0x00000000009E0000-0x00000000009E1000-memory.dmp

Filesize
4KB

Download
memory/1792-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1792-33-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2404-29-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2444-8-0x0000000000230000-0x000000000024D000-memory.dmp

Filesize
116KB

Download
memory/2444-7-0x0000000000230000-0x000000000024D000-memory.dmp

Filesize
116KB

Download
memory/2768-25-0x00000000001B0000-0x00000000001C0000-memory.dmp

Filesize
64KB

Download
memory/2768-26-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2768-32-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

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