d0d1ff0a048a2179399574aff2ca95d612676177c27f469296dacc95d2287f45

General

Target

ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe
Size

582KB
MD5

ac47a1c79a27e4493f452870cff3b45f
SHA1

55d303fb1d21ce3a9b0eeeab5c4c840b77fd3513
SHA256

d0d1ff0a048a2179399574aff2ca95d612676177c27f469296dacc95d2287f45
SHA512

e5810bad5c11f844a129f3aa7cb5dfb4e0dd08ec0708582e26fab5375b0e93262c806ef29fc1477c56f6444f7ae2476b125f8611caad3bbd19ec00ede1639353
SSDEEP

12288:EODa7BlXNDRghT9yTvu9RrxsAXNYMJJRqahfOz:Du3XtRSyTvu9IA9VJzT8

Score

7^/10

bootkit discovery evasion persistence trojan upx

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	sot.exe

Executes dropped EXE 3 IoCs

pid	Process
2344	qxFSVWOcegcPUPu1.exe
1732	rot.exe
1748	sot.exe

Loads dropped DLL 6 IoCs

pid	Process
2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe
2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe
2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe
2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe
2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe
2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1748-31-0x0000000000330000-0x00000000003C2000-memory.dmp	upx
behavioral1/memory/1748-30-0x0000000000330000-0x00000000003C2000-memory.dmp	upx
behavioral1/memory/1748-27-0x0000000000330000-0x00000000003C2000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	sot.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\physicaldrive0	rot.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qxFSVWOcegcPUPu1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sot.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1748	sot.exe
1748	sot.exe
2344	qxFSVWOcegcPUPu1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	sot.exe
Token: SeShutdownPrivilege	1732	rot.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2344	qxFSVWOcegcPUPu1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2344	2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe	30
PID 2140 wrote to memory of 2344	2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe	30
PID 2140 wrote to memory of 2344	2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe	30
PID 2140 wrote to memory of 2344	2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe	30
PID 2140 wrote to memory of 1732	2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe	31
PID 2140 wrote to memory of 1732	2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe	31
PID 2140 wrote to memory of 1732	2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe	31
PID 2140 wrote to memory of 1732	2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe	31
PID 2140 wrote to memory of 1748	2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe	32
PID 2140 wrote to memory of 1748	2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe	32
PID 2140 wrote to memory of 1748	2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe	32
PID 2140 wrote to memory of 1748	2140	ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ac47a1c79a27e4493f452870cff3b45f_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Users\Admin\qxFSVWOcegcPUPu1.exe
  qxFSVWOcegcPUPu1.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2344
- C:\Users\Admin\rot.exe
  rot.exe
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of AdjustPrivilegeToken
  PID:1732
- C:\Users\Admin\sot.exe
  sot.exe
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\qxFSVWOcegcPUPu1.exe

Filesize
160KB

MD5
abb3650e99144a737aab6829d228c7cd

SHA1
5bba0901dd158ebc700419c9b8aa135561e44b06

SHA256
a21362c6e6f020162c5122dbf3155856c19322530fc409e19033710c75806623

SHA512
5285a8a7ecf05781af95ab8793b81e91a1a0195b1fb5ec6aa39d2cd25119acedc89e787638c7ece799e286cede12bc1e7c30827f315fc76a009a04778596b89f

Download Submit
\Users\Admin\rot.exe

Filesize
228KB

MD5
8258e740c3a26617a8f4ca416f80dfdf

SHA1
a6f00e7fd39da24516d87ff62b5698e7b3647698

SHA256
084a552233390bc5e4aed9dd669e8732c09569db88d73709132298d926182f8c

SHA512
7dcd7dcf1d4253d11b3b9bc5a43486e6322716fdd31e76791a88f7aab41cde01d408db0a0b2dc1041f7458e91b6da4ace48baa411324aa716aee48f4395d7438

Download Submit
\Users\Admin\sot.exe

Filesize
253KB

MD5
3479c7b86a5a0b15e31449522cc224ad

SHA1
9d43e946d536bab55aa572daab2c0e1b5f3dfe56

SHA256
cc4871ecab10b369820db88615b1e0de659afd9a5330f311af29b19965930bd4

SHA512
f2e520a22d731406a3de7b2dc8bb23d8e95428a6ba242d4853d0e62f4e0531d1eafa43b6ff971c44f14720a1177e0e68d010205bb2551e80e54bbcee09352e42

Download Submit
memory/1732-34-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1732-33-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/1732-39-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1732-40-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1748-31-0x0000000000330000-0x00000000003C2000-memory.dmp

Filesize
584KB

Download
memory/1748-35-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1748-32-0x0000000000220000-0x000000000024E000-memory.dmp

Filesize
184KB

Download
memory/1748-30-0x0000000000330000-0x00000000003C2000-memory.dmp

Filesize
584KB

Download
memory/1748-27-0x0000000000330000-0x00000000003C2000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads